Choosing the Right Air Die Grinder. Die grinder air tool
What Size Air Compressor Do I Need for a Die Grinder?
If you have a die grinder or you’re looking to purchase one for a project at home or in the workshop, you may now be wondering what size air compressor you need to run this die grinder.
This page will serve as a guide to what size air compressor you need for your die grinder by presenting all the key considerations and relevant information!
Key Considerations – Choosing an Air Compressor for a Die Grinder
Intermittent or Continuous Die Grinder Use?
The first, and very important consideration, is whether you require continuous or intermittent use out of your compressor for your die grinder’s work.
If you only require intermittent use of your die grinder then a small compressor may provide enough to power it but if you require continuous use then the compressor has to have the discharge capacity that the die grinder demands.
A typical use cycle on a die grinder in a non-assembly line environment is likely to be far less than 50% of the time drawing its full CFM rating.
What CFM Rating Die Grinder Have You Bought or Are You Considering Buying?
Die grinders come with CFM ratings, often expressed as SCFM ratings (as it’s a standardized unit). This rating can also be expressed as its “Air Consumption”. I will now provide you with some examples of small, medium, and large die grinders.
Example of a Small Die Grinder
Here’s an example of a small die grinder, this Workpad 3.0 CFM mini die grinder is equipped with 1/4″ and 1/8″ collets.
- 【Supports narrow jobs】This mold grinder has a free speed of up to 25,000, small size and high power, making it suitable for working in tight spaces
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Example of a Medium Die Grinder
This 1/4″ 20,000 RPM Ingersoll Rand air die grinder is a medium-sized offering that provides an average air consumption of 5 CFM.
- MAX GRINDING: Ingersoll Rand Air Die Grinder 5102MAX is powered by compressed air, not electric, and its 0.4 HP and 20,000 RPM motor delivers the power you need for the toughest jobs
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Product and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Example of a Large Die Grinder
Here’s an example of a larger 1/4″ 24,000 RPM Chicago Pneumatic die grinder. It is rated at an average of 10.5 CFM.
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Product and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
What Pressure Rating Die Grinder Have You Bought or Are You Considering Buying?
All air tools, with air die grinders being no exception, have a recommended operating pressure.
The Workpad mini air die grinder as an example has a stated recommended operating pressure of 90 PSI as per the technical specifications on the Amazon listing. This is a commonly recommended pressure for many air tools as can be validated by the other two die grinder ratings.
The Ingersoll Rand die grinders manual states a recommended tool pressure of 90 PSI.
And, the Chicago Pneumatic’s die grinders manual states that you should supply the tool with 90 PSI of clean, dry air and not exceed this.
Air Compressor Duty Cycle
The typical duty cycle of an air compressor is 50% more often than not, as can be seen in this Craftsman 919 manual. It states that the maximum compressor pumping time per hour is 30 minutes (a 50% duty cycle).
If you want to know more about air compressor duty cycles, and how they’re expressed and calculated, you should read my article on air compressor duty cycles.
Here’s another example of a product manual that describes the duty cycle of a compressor in these terms:
“INTERMITTENT DUTY FORMULA
Pump-up time should not ordinarily exceed thirty (30) minutes or be less than ten (10) minutes. Shutdown periods between cycles of operation should be at least equal to the pump-up time. Note: When the compressor is regulated by constant speed control, the shutdown period is the time the compressor is operating unloaded.“
This is describing a 50% Duty Cycle.
CFM Delivery Capability of the Air Compressor
CFM ratings of air compressors tend to be based on the output of the air compressor pump.
However, to understand what ability the air compressor has to deliver CFM continuously you need to multiply the CFM rating by the Duty Cycle percentage.
So an Air Compressor CFM rating of 10 CFM with a 50% Duty Cycle would have the ability to deliver:
10 CFM 50% = 5 CFM
Example of an Air Compressor Suitable for a Small Die Grinders
Here’s an example of a small air compressor that delivers 2.4 CFM – and the product manual describes what would be determined as a 50% duty cycle. Therefore the compressor would actually deliver 1.2 CFM (2.4 CFM 50%).
- QUIET: The DC080500 air compressor is up to 50% quieter than comparable compressors, producing just 68 dBA which it makes the unit ideal for indoor and outdoor use
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Product and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
This would be suitable for a small die grinder given that you only require intermittent use. But, this compressor wouldn’t be suitable for continuous use on any of the die grinders presented in this article.
The small Workpad die grinder requires 3 CFM, if the use was intermittent and only needed 25% of the time (15 minutes per hour), then the grinder only requires 0.75 CFM (3 25%). Therefore, this compressor would be capable of providing that that CFM.
However, if you are required to use the die grinder on a 50% duty cycle, the grinder would require 1.5 CFM (4 50%). The air compressor running at its recommended 50% duty cycle would not be able to provide the necessary amount of CFM required by the die grinder.
It would only be able to provide the 1.5 CFM requirement if you overworked the compressor by running it on a 90-100% duty cycle which is strongly not recommended.
Example of an Air Compressor Suitable for a Medium Die Grinders
Here’s an example of an air compressor that is rated 5.30 CFM – and though the product manual does not describe the duty cycle, a customer QA response has declared that the compressor has a 70/30 (70%) duty cycle. What would be determined as 20-25 minutes rest after each hour’s use.
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Product and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
Therefore, this air compressor is actually capable of delivering 3.71 CFM (5.3 70%). This is just about sized for continuous use of the 3 CFM Workpad die grinder.
However, if the die grinder is only required to be used intermittently (50% of the time) then this compressor is suitable for not only the Chicago Pneumatic die grinder but also the medium Ingersoll Rand die grinder (6 CFM 50% = 3 CFM).
If you were to obtain a die grinder with a CFM of below 3.71 CFM then this compressor would be capable of delivering continuous use to that tool.
Example of a Large Air Compressor Suitable for Large Die Grinders
Here’s an example of a large Air compressor, the Ingersoll-Rand 8 Gallon twin compressor capable of delivering 11.5 CFM with a 100% continuous duty cycle.
- Portable Design: Lightweight with excellent manueverability even on the roughest terrain, perfect for environments where electricity is unavailable
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Product and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
This compressor is suitable for providing continuous use to the small, medium, or large die grinders provided. It could even power both the small Workpad and medium Ingersoll Rand die grinders simultaneously.
If this compressor were to have a 50% duty cycle however and provide 5.75 CFM (11.5 50%) it would only be able to power the small Workpad die grinder continuously.
It would consequently no longer be able to provide continuous use to the medium or large die grinder when working with a 50% duty cycle, but instead could work intermittently if the Ingersoll rand tool required 3 CFM (6 50%) and the Chicago Pneumatic tool required 5.25 CFM (10.5 50%).
Example of an Extra Large Air Compressor Suitable for Powering Multiple Die Grinders Simultaneously
Here’s an example of an industrial air compressor that delivers 38 CFM – and the product manual describes what would be determined as a 100% duty cycle.
- Quiet, Industrial Air Compressor designed for up to 50,000 hours of use (with proper maintenance) and features low RPM pumps
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Product and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.
This is a stationary compressor, that has a continuous run automatic stop/start feature, making it capable of powering the small, medium and large die grinders continuously and all of them at once!!
Air Compressor Tank Size (Compressed Air Storage Capacity)
The tank size will determine how much air is available to be drawn down at any time. This is also a key enabler in keeping a compressor within its duty cycle.
Therefore a 10 CFM compressor with a 50% Duty Cycle can be used to run an air die grinder that’s rated at 10 CFM – if used intermittently with a sufficiently large air tank.
To keep a compressor running for at least 10 minutes with a die grinder consuming 10 Cubic Feet of air per minute for 50% of the time, the storage capacity would be:
10 CFM 10 minutes 50% = 50 Cubic Feet of air (at atmospheric pressure (15PSI))
As atmospheric pressure is 15 PSI and the output pressure is 90 PSI and pressure and volume are inversely proportional 15 PSI / 90 PSI = 6
Therefore, you need 1/6th the volume of air at 90 PSI
50 Cubic Feet 1/6th = 8.3 Cubic Feet
8.3 Cubic Feet = 236 Litres
This is an example to give you a basic idea of the capacity needed, based on a die grinder’s minimum running time of 10 minutes.
Distance You’ll Be Using the Die Grinder From the Compressor (Hose Length)
Long hoses will result in pressure drop. Though I could not find any recommendations in any of the Die Grinder manuals presented in this article. It can be generally recommended that the hose should be just long enough to serve the working area.
If you have a hose over 25 feet long then you should compensate for the pressure drop to ensure that your tool is receiving the correct operating pressure.
For further information on air hoses visit our Air Compressor Hose Tube Guide.
Response
The easy answer is…yes it will. The tougher answer is not very well and not for but a few seconds before you run out of air.
If you’re relying on your little compressor to provide enough air to use your die grinder for long periods of time… and particularly if you are in a hurry, then you are going to be disappointed.
If you’re running a die grinder that sucks 17 CFM of compressed air at 90 PSI for a production environment…that is, using it for hours at a time, then you’re going to need at least a 5HP compressor with as large a reservoir as you can afford to have sufficient air supply.
If you have any questions regarding what size air compressor you need for a Die Grinder, please leave a comment below with a photo if applicable so that someone can help you!
Choosing the Right Air Die Grinder
What purpose does a pneumatic die grinder have in a machine shop? These tools are quite versatile and thus a beneficial addition to your tool collection. Whether you need to enlarge existing holes, smooth rough edges, clean up shaft ends, or rework dies, die grinders, in this case air die grinders, will help you get the job done.
Pneumatic vs Electric
Pneumatic die grinders are a better choice if you are looking for a lighter tool and are okay with an operation a bit on the louder side. It is important to keep in mind that the air tool relies on the capacity of the air compressor powering it. In other words, if it is a heavy-duty job, with a heavy-duty air grinder, you’re going to need an air compressor that can support it.
Electric die grinders are a better option if you prefer working with a quieter tool that is corded and a bit on the heaver side. Electric tools are often heavier than their pneumatic counterparts because they run with a motor.
If you plan to use a die grinder frequently, keep in mind that they can overheat from overuse, so you might soon be in the market for a replacement.
Angle vs Straight
There really are no pros and cons to each type of die grinder because there is literally no functional difference. Here is a bit more about the minor difference in structure.
Angle die grinders are built with a right-angle structure, so that the die grinder itself is perpendicular to the body. The point? They are perfect for conditions where a straight die grinder cannot fit. So, if you are working on a uniquely shaped part, or you need to bend in the workpiece, an angle die grinder is the right tool for you.
Straight die grinders are completely straight. The die grinder itself sits atop of the body creating one straight line. This style of air grinder can be a bit long, so they are best for setups that don’t require a tight squeeze.
The images below will better depict the concept.
Recommended Models
There are different brands and models on the market, here are some models to consider.
Ingersoll Rand 5102MAX Air Die Grinder
The Ingersoll air die grinder has an enhanced grip design to increase operator comfort and support extended usage. The low-profile throttle lever reduces hand fatigue and the built-in lubricating wick increases angle gear life. With a powerful 0.4 HP air motor that delivers 20,000 RPM, expect faster material removal.
CLECO DOTCO Right Angle Sander/Grinder
This right angle die grinder features a proven combination of a 0.4 HP (0.29 kW) motor, 20,000 RPM and a 1/4″ collet. Perhaps the most popular die grinder in the Cleco-Dotco lineup, this model is compact and lightweight yet powerful enough to remove material fast.
DeWALT Die Grinder, Straight
This air die grinder features a lightweight aluminum body with an ergonomically designed cushion grip for user comfort. It has a touch control trigger for easy user control and a safety throttle lever for protection. The grinder offers rear air exhaust to direct away from the tool and operates at a speed of up to 25,000 RPM.
Chicago Pneumatic CP9111Q-B Heavy Duty Straight Die Grinder
This is a quiet and powerful straight die grinder with a powerful 0.47 HP motor and maximum speed of 22,000 RPM. The tool also features an easy-access speed regulator, rear exhaust, insulated handle grip and lock-off throttle.
Astro Pneumatic Tool 3pc Die Grinder Kit
This set includes a lever throttle for feathering control, a rib textured handle which provides a firm grip and a rear exhaust air flow system that directs air away from work surface. Additionally, the increased motor size provides more power to make work much easier.
Die Grinders
PATCO die grinders and routers have a longstanding reputation for durability and dependability. These all purpose steel housing hand grinders are available in short or extended style; collet or wheel format; front and rear exhaust designs. Our air tools come in a variety of wheel size and type and our double angle collets are available in a number of sizes. All.1340 and.1350 models have interchangeable motor components.
Palm Grinders
Die Grinders
Rear Exhaust Die Grinders
Heavy Duty Ext Die Grinders
Extended Wheel Grinders
Extended Cone Grinders
Cut-Off Wheel Tools
G-3507 Palm Grinder (Cross Reference CP-9107)
The G-3507 series air die grinders are powered with a rugged 1/3 HP motor; steel motor housing, and runs at a speed of 35,000 RPM. The compact design allows for work in smaller spaces where a larger grinder may not be ideal. The standard G-3507 offers a 2-piece ¼” collet system, but 4 piece collet systems are also an option on this versatile pneumatic die grinder.
Please click on model number to view Part Prints
G-1340 Die Grinders (Cross Reference CP-9113)
PATCO G-1340 series die grinders are equipped with a rugged 1 HP motor that is offered in a 15,000, 18,000, or 25,000 RPM model. Its steel motor housing is made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum. In addition this high quality air tool is outfitted with a highly accurate ¼” double angle collet. The motor parts are interchangeable across both the G-1340 and G-1350 lines, as well as with CP-9113/CP-9113G grinders, making it far better than anything available at harbor freight.
Please click on model number to view Part Prints
| .9 | Safety | 1/4″ STD | 6 1/4″ | 2 1/4 lbs. | Steel | 1/4″ NPT | |
| .9 | Safety | 1/4″ STD | 6 1/4″ | 1 1/2 lbs. | Aluminum | 1/4″ NPT | |
G-1350 Die Grinders (Cross Reference CP-9113G)
The G-1350 series pneumatic die grinders come with our 1 HP Rugged motor and is equipped with a safety lock off lever system unique to the G-1350 die grinder. This industrial power air tool comes with the option of steel or a lightweight aluminum housing. Similar, yet a much better option than Henry, top cat, and Cleco tools.
| .9 | Safety lock-off | 1/4″ STD | 6 1/2″ | 2 1/2 lbs. | Steel | 1/4″ NPT | |
| .9 | Safety lock-off | 1/4″ STD | 6 1/2″ | 1 1/2 lbs. | Aluminum | 1/4″ NPT | |
RE-3175 Rear Exhaust Die Grinder
The RE-3175 Rear Exhaust Die Grinder comes standard with a directional exhaust deflector. It comes equipped with our rugged 1 HP motor giving it the power and versatility you need. Available in a steel or aluminum housing, the RE-3175 has the durability of our standard die grinders as well as the capability to direct the exhaust through the rear of the tool. Similar but far superior to Cleco, Henry tool, Top Cat, Dynabrade, and any import you will find at Harbor Freight.
Please click on model number to view Part Prints
| .9 | 23,000 | Self-Close | 1/4″ STD | 6 1/2″ | 1/4″ NPT | ||
GR-2510 Router
PATCO GR-2510 25,000 RPM routers are ideal for a wide range of applications including cutting wood, trimming and cutting plastics, trimming flash from injected molding parts, cutting window openings, and various other uses. Each tool is equipped with a rugged 1 HP motor interchangeable across both the G-1340 and G-1350 lines, as well as with CP-9113/CP-9113G grinders, making its versatility unmatched. Its steel motor housing is made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum. This tool is outfitted with a double angle collet for extreme accuracy. In addition a wide range of router guides can be purchased to better fit your cutting needs.
Please click on model number to view Part Prints
| .9 | 25,000 | Safety | 1/4″ STD | 6 1/4″ | 1/4″ NPT | ||
GR-1810 Router
PATCO GR-1810 18,000 RPM routers are ideal for a wide range of applications including cutting wood, trimming and cutting plastics, trimming flash from injected molding parts, cutting window openings, and various other uses. Each industrial power tool is equipped with a rugged 1 HP motor interchangeable across both the G-1340 and G-1350 lines, as well as with CP-9113/CP-9113G grinders, making its versatility unmatched. Its steel motor housing is made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum. This tool is outfitted with a double angle collet for extreme accuracy. In addition a wide range of router guides can be purchased to better fit your cutting needs.
Please click on model number to view Part Prints
| .9 | 18,000 | Safety | 1/4″ STD | 6 1/4″ | 1/4″ NPT | ||
GE-1340-C Extended Die Grinder / Heavy Duty Ext Die Grinder (Cross Reference CP-9113ES)
The extension on our GE-1340-C makes it ideal for working inside of deep crevices or other recessed areas. In addition the extended air tool is outfitted with an adjustable side exhaust and a highly accurate double angle collet. The GE-1340-C is equipped with our rugged 1HP motor making all of the motor parts interchangeable with both the G-1340 and G-1350 lines, as well as with the CP-9113ES.
GE-1340-C-HD Series
Our GE-1340-C-HD extended heavy duty die grinders offer the same capabilities as our GE-1340-C series, but are equipped with a heavy duty spindle, shank, bearings and extended housing that increase the tools durability and performance. At 1 HP and 25,000 RPM this die grinder offers enough power and length to work effectively in the hard-to-reach areas. The housing is also available in a lightweight aluminum and 18,000 RPM.
Please click on model number to view Part Prints
| .9 | 25,000 | Safety | 1/4″ STD | 11 1/4″ | 3 1/4 lbs. | Steel | 1/4″ NPT |
| .9 | 25,000 | Safety | 1/4″ STD | 11 1/4″ | 2 3/4 lbs. | Aluminum | 1/4″ NPT |
GE-1350-C Extended Die Grinder / Heavy Duty Ext Die Grinder (Cross Reference CP-9113GES)
Our GE-1350-C extended die grinders offer the same capabilities as our GE-1340-C series. This master extended pneumatic tool is equipped with a steel motor housing and the added feature of our unique safety lock-off lever system. These extended die grinders are made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum. At 1 HP and 25,000 RPM this die grinder offers enough power and length to work effectively in the hard-to-reach areas. This air tool is also offered at 18,000 RPM.
GE-1350-C-HD Series
Our GE-1350-C-HD extended heavy duty die grinders offer the same capabilities as our GE-1350-C series, but are equipped with a heavy duty spindle shank, bearings and extended housing that increase the tools durability and performance. This air grinder offers our durable safety lock-off lever system (differs from the 1340 body lever style) on either a steel or aluminum housing. At 1 HP and 25,000 RPM this die grinder offers enough power and length to work effectively in the hard-to-reach areas.
Please click on model number to view Part Prints
| .9 | 25,000 | Safety lock-off | 1/4″ STD | 11 1/2″ | 3 1/2 lbs. | Steel | 1/4″ NPT |
| .9 | 25,000 | Safety lock-off | 1/4″ STD | 11 1/2″ | 3 lbs. | Aluminum | 1/4″ NPT |
GE-1340-W Extended Wheel Grinder (Cross Reference CP-3040-LANHUT)
Patco GE-1340-W 18,000 RPM Extended Wheel Grinders with interchangeable 2″, 3″ and 4″ wheel guards and side exhaust system are ideal tools for weld smoothing, casting clean up, and burr removal in fabrication shops, die shops, shipyards, power plants, and refineries. Each tool is equipped with a rugged 1 HP motor interchangeable across both the G-1340 and G-1350 lines, as well as with CP-9113/CP-9113G grinders, making its versatility unmatched. Its steel motor housing is made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum making it a high quality aluminum pneumatic tool.
Please click on model number to view Part Prints
| .9 | 18,000 | Safety | 3″ | 12 1/2″ | 1/4″ NPT | ||
GE-1350-W Extended Wheel Grinder (Cross Reference CP-3040-GANHUT)
Patco GE-1350-W 18,000 RPM Extended Wheel Grinders with interchangeable 2”, 3” and 4” wheel guards and side exhaust system are ideal tools for weld smoothing, casting clean up, and burr removal in fabrication shops, die shops, shipyards, power plants, and refineries. Each tool is equipped with a rugged 1 HP motor interchangeable across both the G-1340 and G-1350 lines, as well as with CP-9113/CP-9113G grinders, making its versatility unmatched. Its steel motor housing with a safety lock-off lever system (differs from the 1340 body lever style) is made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum for a lighter feel.
Please click on model number to view Part Prints
| .9 | 18,000 | Safety lock-off | 3″ | 12 3/4″ | 1/4″ NPT | ||
GE-1340-20 Extended Cone or Plug Wheel Grinder
Patco GE-1340-20 20,000 RPM Cone and Plug Grinders with a 3/8-24 spindle are ideal tools for weld smoothing, casting clean up, and burr removal in fabrication shops, die shops, shipyards, power plants, and refineries. Each master pneumatic tool is equipped with a rugged 1 HP motor interchangeable across both the G-1340 and G-1350 lines, as well as with CP-9113/CP-9113G grinders, making its versatility unmatched. Its steel motor housing is made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum.
Please click on model number to view Part Prints
| .9 | 20,000 | Safety | Cone or plug wheel | 11″ | 1/4″ NPT | ||
GE-1350-20 Extended Cone or Plug Wheel Grinder
Patco GE-1350-20 20,000 RPM Cone and Plug Grinders with a 3/8-24 spindle are ideal tools for weld smoothing, casting clean up, and burr removal in fabrication shops, die shops, shipyards, power plants, and refineries. Each extended air tool is equipped with a rugged 1 HP motor interchangeable across both the G-1340 and G-1350 lines, as well as with CP-9113/CP-9113G grinders, making its versatility unmatched. Its steel motor housing with a safety lock-off lever system (differs from the 1340 body lever style) is made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum.
Please click on model number to view Part Prints
| .9 | 20,000 | Safety lock-off | Cone or plug wheel | 11 1/4″ | 1/4″ NPT | ||
G-1340-1 Cut-Off Wheel Tools
Patco G-1340-1 Cutoff high quality pneumatic wheel tool incorporates our durability and reliability of the G-1340 and adds cut off wheel capabilities. Available with both a 3″ and 4″ wheel guard to fit a variety of your cutting needs. Each air die grinder’s steel motor housing is made to withstand even the most rigorous work conditions over long periods of time. The high quality pneumatic grinder is also available in a lightweight aluminum housing. Equipped with the same rugged motor as our other 1 HP air tool grinders making all of the motor parts interchangeable with both the G-1340 and G-1350 lines.
| .9 | 25,000 | Safety | 3″ or 4″ | 6 3/4″ | 1/4″ NPT | ||
G-1350-1 Cut-Off Wheel Tools
Patco G-1350-1 Cutoff wheel tool incorporates our durability and reliability of the G-1340 and adds cut off wheel capabilities. Available with both a 3″ and 4″ wheel guard to fit a variety of your cutting needs. Its steel motor housing with a safety lock-off lever system (differs from the 1340 body lever style) is made to withstand even the most rigorous work conditions over long periods of time. The housing is also available in a lightweight aluminum. Equipped with the same rugged motor as our other 1 HP die grinders making all of the pneumatic motor tool parts interchangeable with both the G-1340 and G-1350 pneumatic tool lines.
| .9 | 25,000 | Safety lock-off | 3″ or 4″ | 7″ | 1/4″ NPT | ||
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Using our pencil grinders, you will feel and hear a difference immediately!
All you need is 90 psi / 6.2 bar air pressure to operate these pneumatic hand tools. Our air pencil grinders are lube-free, making this air die grinder range environmentally friendly and eliminating part mist.
Eliminate working time limits! Ergonomic Air Turbine Tools have the lowest vibration of any hand pencil grinder range and reduce hand – arm stress because our pencil grinders are lightweight with ultra-low vibration. Make quick work out of any project with our expertly designed pencil grinder using tips and points. These material removal tools are so quiet, operating under 65dBa.
Try our patented gearless 45° and 90° degree angle grinders for superior precision and comfort in hand.
With only two moving parts and no gears, brushes, or vanes. Air Turbine Tools pencil and die grinders require no maintenance.
Update your deburr equipment with our rotary tools. and you will improve your productivity.
Try Air Turbine Tools – compare this new technology with other air grinders and see for yourself.
Service Support
Support is always available from our technical team in the USA, Germany and Mexico. Repair Service is available in Florida and Munich.
Call our factory technicians at 1-561-994-0500 or email us at [email protected].
