12-11X1 1/2 Square Pan Self Tapping Screw Type A Fully Threaded Zinc (Pack Qty 2,000) BC-1224AQP

For self starting in thin (.015-.050 thick) metal or resin-filled plywood. 18-8 Stainless steel tapping screws may be used in applications which require general atmospheric corrosion resistance. Fastening stainless steel parts to aluminum or steel can cause a type of corrosion known as a galvanic couple in some environments Screws shall be quenched in liquid and then tempered by reheating to 650°F minimum Steel: Rockwell C45 minimumYou may also like 1/4-20 x 3/4 MS24693-C Phillips Flat 100 Degree Full Thread Machine Screw 300 Series S/S DFAR (Pack Qty 1,000) BC-MS24693-C96.