8-11X2 1/2 Phillips Drive Round Washer Head Deep Thread Wood Screw 2/3 Thread Zinc (Pack Qty 3,000) BC-0840DPRWD

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. It is superior to countersunk or pan heads at pulling material together C1022 case-hardened steel Rockwell C 45 minimum