Simpson #3 Undersized square Quik-Drive Driver Bits BIT3SU Solid Carbide Spiral Bits Useable Length : 7"

Useable Length : 7"

Hardened Steel Body – warrants a longer life and sharper cutting edge

The Auto-Set Driver bit is sold separately and is an essential part of the complete Deck-Drive DCU hidden fastening system

This standoff design also meets code requirements for structural posts installed in basements or in areas exposed to weather or water splash

Simpson #3 Undersized square Quik-Drive Driver Bits BIT3SU Solid Carbide Spiral Bits Useable Length : 7"Simpson #3 Undersized Square Quik Drive Driver Bits are purpose built replacement bits designed to work seamlessly with Simpson's Quik Drive collated fastening system. Using the correct driver bit is essential for optimum performance the right fit reduces cam out, extends bit life, and ensures consistent, clean screw driving throughout your project. Whether you're installing decking, sheathing, or subflooring with Quik Drive screws, having the