A-B17090822YP-AI HWST, #10C X1/4 ZPOne New Aftermarket Replacement Hex Washer Self Tapping Screw #10C x 1 4 in. Zinc Plated This zinc plated hex washer self tapping screw features a #10 coarse thread and 1 4 in. length. The integrated washer head provides a broad bearing surface for increased clamping force, while the hex drive allows secure, torque efficient installation with a wrench or socket. The self tapping design cuts its own threads on installation, eliminating the need for pre