(100) #10-16 x 1/2" Self Drilling Hex Washer Head SCREW TEK" BEST PRICE ON EBAY"
Hex Washer Head Self-Drilling Screw #10 X 1/2", Zinc-Plated Steel. #10-16 Thread x 1/2" Long, Hex Head. #10 x 1/2" Screw. Drill Capacity: 0.035" to 0.100". Drill Tip Length: 11/64". Head Height: 0.151".