The WSHL is designed to work with the Simpson Strong-Tie® Quik Drive® auto-feed screw driving system. This screw is ideal for securely fastening subfloor panels to floor joists. The Quik Drive system features non-skid teeth that provide increased stability resulting in uniform toenailing and countersink on slick surfaces.
Rimmed flat head with nibs for easy countersinking
#2 square drive (driver bit in each box; replacement bit model BIT2S)
Gray phosphate coating
1:1 replacement for 8d common nails when used with floor sheathing 15/32–23/32" thick