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Product Details

Forstner Bits are superior boring bits for woodworking because they provide perfectly smooth, flat bottom and clean-sided holes in nearly every material. They can bore overlapping holes & pocket holes for greater versatility, and can be used in portable drills and drill presses.

Series 909 Forstner bits have a recessed cylindrical shank, a periphery cutting edge, 2 edges, and a centering point. Constructed of forged, heat-treated steel.

See table below for available sizes in each series.

Tech Specs
Cutting Diameter (inches) Series 909 (with centering point)
1/490900250
5/1690900312
3/890900375
1/290900500
5/890900625
11/1690900687
3/490900750
7/890900875
15/1690900937
190901000
1-1/890901125
1-1/490901250
1-3/890901375
1-1/290901500
2-1/890902125
Info & Guides

Technical Information

Series 909 Bits (All sizes are 3-1/2'' overall)

  • 1/4'' to 7/16'' have 1/4'' shanks
  • 1/2'' to 11/16'' have 5/16'' shanks
  • 3/4'' to 2-1/8'' have 3/8'' shanks