1/4-14X4 1/2 Unslotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc An (Pack Qty 300) BC-1472ABW

For self starting in thin stainless sheet when corrosion resistance is requiredYou may also like 6-32X7/16 Knurled Thumb Screw Full Thread Aluminum (Pack Qty 100) BC-0607TKAL.