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Northern Industrial Tools Air Mini Die Grinder — 1/4in. Inlet, 4 CFM, 25,000 RPM
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Northern Industrial Tools Air Mini Die Grinder — 1/4in. Inlet, 4 CFM, 25,000 RPM

Item# 157791
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Only $19.99

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Manufacturer's Warranty: 12 months limited parts / No labor

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Product Summary


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This 6in. air die grinder is ideal for light weld, grinder, porting and polishing applications. Features a spindle concentricity of less than .05mm, a power/speed regulator for easy RPM adjustment and a twin-bearing spindle to reduce vibration. Durable, lightweight composite housing design also helps reduce vibration.

Features + Benefits

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  • Ergonomic cushion grip
  • Adjustable rear exhaust
  • Includes spanner wrenches

Key Specs

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Item#157791
Ship Weight1.0 lbs
Air Inlet Size (in. NPT)1/4
Disc Diameter (in.)6
Air Consumption (CFM)4
Speed (RPM)25,000
Min. Hose Size (in.)3/8
Collet Size (in.)1/4
Variable SpeedYes
Side HandleNo

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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
12 months limited parts / No labor

Protect your purchase beyond the manufacturer's warranty
with Service Protection Plus!

DESCRIPTION (Click More Info for details) 1 Year Extension 2 Year Extension
Replacement Plan
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Hide Similarities
Air Inlet Size (in. NPT) 1/4 1/4 1/4 1/4 1/4
Disc Diameter (in.) Variable 6 - 5 4 1/2
Air Consumption (CFM) 5 4 3 5 9
CFM at Load
5 - 18 - 41
Speed (RPM)
22,000 25,000 20,000 10,000 12,000
Min. Hose Size (in.) 3/8 3/8 3/8 - 3/8
Collet Size (in.) 1/4 1/4 1/4 - -
Variable Speed Yes Yes - - -
Side Handle No No No - Yes
Tool Weight (lbs.) 1.4 - - - -
Tool Length (in.) 6 11/16 - 5 15/16 8 3/8 9 1/2