Description
Two flutes design for true round holes | Automatically deburrs as you drill | Tri-flat shank design for sure grip in chuck without slippagePerfect for drilling holes in thin mild steel, aluminum, copper, brass, Plexiglas, wood and laminates. Two flutes design for true round holes and automatically deburrs as you drill. Tri-flat shank design for sure grip in chuck without slippage SET INCLUDES: 1/4" Shank: 3/16" to 1/2" holes in 1/16" steps. 1/4" Shank: 1/8" to 1/2" holes in 1/32" steps. 3/8" Shank: 1/4" to 3/4" holes in 1/16" steps. 3/8" Shank: 3/16" to 7/8" holes in 1/16" steps. 3/8" Shank: 1/4" to 1-3/8" holes in 1/8" steps.
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