1/4-14X3/4 A/F.428-.437 Hd Hgt .172-.190 Unslotted Hex Washer Serrated Self Full Thread Tap AB Zinc (Pack Qty 2,500) BC-141207ABWS

For self starting in thin stainless sheet when corrosion resistance is requiredYou may also like 8-18X1/2 6 Lobe Truss Self Drilling Screw Fully Threaded Zinc (Pack Qty 10,000) BC-0808KTT.