ATD 9200 5 Pc. Step Drill Bit Set

Specifications:
•#4241 High Speed Steel is perfect for drilling holes in thin mild steel, aluminum, copper, brass, plexiglass, 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: 1/8" to 1/2" holes in 1/32" steps
•1/4" Shank: 3/16" to 1/2" holes in 1/16" 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