12-11X1/2 Phillips Full Contour Truss Self Tapping Screw Type A Fully Threaded Black Oxide (Pack Qty 5,000) BC-1208APTB

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 10-24X3/4 Phillips Flat Thread Cutting Screw Type 23 Fully Threaded Zinc (Pack Qty 7,000) BC-10123PF.