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Northern Industrial Air Die Grinder — 1/4in. Inlet, 3 CFM, 22,000 RPM, 90 PSI
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Northern Industrial Air Die Grinder — 1/4in. Inlet, 3 CFM, 22,000 RPM, 90 PSI

Item# 157790

Only $29.99
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Manufacturer's Warranty: 12 months parts / 12 months labor

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Product Summary


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Ideal for many automotive and industrial high-speed grinding applications. It can be used to clean dies, rotors, backing plates and brake pad mounts, or to grind valve seats, dress welds and enlarge holes. 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. Can be used with 1/4in. grinding accessories.

Features + Benefits

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

Key Specs

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Item#157790
Ship Weight1.3 lbs
Air Inlet Size (in. NPT)1/4
Disc Diameter (in.)1/2
Air Consumption (CFM)3
CFM at Load3
Speed (RPM)22,000
Min. Hose Size (in.)3/8
Collet Size (in.)1/4
Side HandleNo
Tool Length (in.)7

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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
12 months parts / 12 months labor

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

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Extended Warranty Replacement Plan
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Extended Warranty + Accidental Damage 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.) 1/2 - - - 5
Air Consumption (CFM) 3 3 - 3 5
CFM at Load 3 18 4 18 -
Speed (RPM)
22,000 27,000 56,000 20,000 10,000
Min. Hose Size (in.) 3/8 3/8 3/8 3/8 -
Collet Size (in.) 1/4 1/4 1/8 1/4 -
Side Handle No No - No -
Tool Weight (lbs.) - 1 1 - -
Tool Length (in.) 7 6 3/16 7 7/8 5 15/16 8 3/8