6-13X1 Flat Head Nibbed Square Recess Deep Thread Wood Screw Type 17 Full Thread Black Oxide (Pack Qty 9,000) BC-0616DQF17DB

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 C1022 case-hardened steel Rockwell C 45 minimim