6X1 Square Phillips Drive Flat Head no Nibs Deep Thread Wood Screw Full Thread Black Oxide (Pack Qty 11,000) BC-0616DXFDB

The deeper thread design offers greater resistance to pull-out forces. The combo drive increases productivity by reducing tool changes C1022 case-hardened steel Rockwell C 45 minimimYou may also like 4-40X1/4 Phillips Flat Undercut Thread Cutting Screw Type 1 Fully Threaded Zinc (Pack Qty 10,000) BC-04041PU.