KnKut Conduit Knock-Out Fractional Performance Step Drill Bit, 1/4 in - 1-3/8 in - KK4-1/4-KO Mechanics' hammers This design increases the contact

This design increases the contact surface area between the socket and the fastener

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

9 hours (5

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KnKut Conduit Knock-Out Fractional Performance Step Drill Bit, 1/4 in - 1-3/8 in - KK4-1/4-KO Mechanics' hammers This design increases the contactKnKut 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"