Simpson #2 Undersized square Quik-Drive Driver Bits BIT2SU Boring Bits do not fasten through the

do not fasten through the truss plate from behind

What makes the HDU14-SDS2

Back-to-back holdown installations where eccentricity must be minimized

Note: not compatible with chucks 183

Simpson #2 Undersized square Quik-Drive Driver Bits BIT2SU Boring Bits do not fasten through theSimpson #2 Undersized Square Quik Drive Driver Bits by Simpson are purpose built replacement driver bits designed to deliver consistent, reliable performance with Quik Drive screw driving systems. The #2 undersized square drive profile ensures a secure fit with compatible Quik Drive screws, reducing cam out and driver wear so fastening stays controlled and efficient whether you are working with deck boards, subfloor panels, or other demanding