9-10X1 Phillips Flat No Nibs Deep Thread Screw Type 17 point Full Thread Zinc (Pack Qty 3,000) BC-0916DPF17NN

The deeper thread design offers greater resistance to pull-out forces. The chip cavity (or auger point) enables the fastener to drive especially in denser woods—without pre-drilling a pilot hole C1018 - C1022 case-hardened steel Vickers HV 450 minimim