Harbor Freight Tools


Pneumatic 1/4 in. Die Grinder with 3 In Extension

Extended reach die grinder to access hard-to-reach areas

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This die grinder features a 3 in. extended shaft that gives you additional reach for molds, cylinders and other hard-to-reach areas. Features include a paddle trigger with safety, rear exhaust and rubber comfort grip for reduced vibration. Includes one 11mm hex wrench, one 17mm hex wrench and one 1/8 in. collet.

  • 3 in. extended reach shaft provides additional reach for hard-to-reach areas
  • Compact, lightweight die cast aluminum housing
  • Paddle trigger with safety
  • Rubber comfort grip for reduced vibration
  • Rear exhaust

99698, 93621
Collet size (in.)
1/4 in, 1/8 in.
Exhaust location
Recommended hose size (in.)
3/8 in.
Accessories Included
11mm hex wrench, one 17mm hex wrench and one 1/8 in. collet
Air inlet size
1/4 in.- 18 NPT
Average air consumption
3.5 CFM
Speed (max)
20,000 RPM
Product Height
2-7/16 in.
Product Length
9 in.
Product Weight
1.42 lb.
Product Width
1-1/2 in.
Shipping Weight
1.50 lb.
1/4 in.
Working pressure (psi)
90 PSI
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.