Irwin Unibit #11 HSS 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10311) USA Made Inside Calipers 7-847-0800

7-847-0800

part number NA6512QRC

Overall Length: 10 inches

In applications where magnets are attracting magnets

with few moving parts

Irwin Unibit #11 HSS 7/8-Inch Step-Drill Bit, 3/8-Inch Shank (10311) USA Made Inside Calipers 7-847-0800Irwin Unibit #11 HSS 7 8 Inch Step Drill Bit, 3 8 Inch Shank (10311) USA Made The shanks on these step drill bits have three flats that help prevent the bits from slipping in the drill chuck during drilling. These cone shaped bits have steps of increasing diameter marked along their cutting head. As each bit is pushed into a piece of sheet metal or other thin material, each step on the bit widens the hole. The bits also have a self starting split