KnKut Conduit Knock-Out Fractional Performance Step Drill Bit, 1/4 in - 1-3/8 in - KK4-1/4-KO Mechanics' hammers 9 hours (5

9 hours (5

Tool Control System

Input Drive Size: 1/4" Drive Shape: Square Type: Metric Socket Set Includes: Don't need the entire set

Input Drive Size: 3/4" Drive Shape: Square Length: 100mm Type: 6 Point Deep Socket- Thin Walled Output Size: 40mm Opening: 6pt

Socket Adapter/Reducer 1/2 - 3/8"

KnKut Conduit Knock-Out Fractional Performance Step Drill Bit, 1/4 in - 1-3/8 in - KK4-1/4-KO Mechanics' hammers 9 hours (5KnKut Conduit Knock Out Fractional Performance Step Drill Bit, 1 4 in 1 3 8 in KK4 1 4 KO KnKut USA Made Step Drills are made from special moly alloy steel and gold surface treated for maximum lubricity. Dual flute construction drills clean accurate holes in thin materials. Use for all thin metals, rigid plastics such as Plexiglas and wood or composite materials with a thickness equal to or less than the step thickness. When drilling steel with 1 8"