Step Drill Bit Set, 5 Piece

Specifications:

• #4241 High Speed Steel is perfect 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: 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