8-11X1 Square Phillips Drive Round Washer Deep Thread Wood Screw Full Thread Zinc (Pack Qty 4,000) BC-0816DXRWD

The deeper thread design offers greater resistance to pull-out forces. The round washer head is preferable in softer woods and offers a greater bearing surface than a countersunk design. Used to attach surface-mounted door hinges or lock hasps int C1022 case-hardened steel Rockwell C 45 minimum