" UNB " 10 IRWIN INDUSTRIAL TOOL COMPANY

1/2"-HOLE SIZE UNIBIT

1/4" SHANK

~

1/2INCHES 1/2-INCHES .5" .5INCHES .5-INCHES

1/4INCHES 1/4-INCHES .25" .25INCHES .25-INCHES

10

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