6-13X3/4 #2 Square Recess Flat Head No Nibs Deep Thread Type 17 Full Thread Nickel (Pack Qty 7,000) BC-0612DQF17NNN

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