" UNB " 1-T IRWIN INDUSTRIAL TOOL COMPANY

1/8" - 1/2" 13-HOLE UNIBIT

Tin Coated Step Drill Bit

Size: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"

Shank Size: 1/4"

Number of Hole Sizes: 13

Step Thickness: 1/32"

~

STEPBIT, STEP-BIT, STEP BIT, UNIBIT, UNI-BIT, MULTISTEP, MULTI-STEP, MULTI STEP, MULTIHOLE, MULTI-HOLE, MULTI HOLE