8-15X3/4 Phillips Flat Self Tap Screw Type A Full Thread 18 8 Stainless Steel Black Oxide (Pack Qty 4,000) BC-0812APF188B

Screws shall be quenched in liquid and then tempered by reheating to 650°F minimum. They are the screw thread covering the whole length of the screw from tip to head and a pronounced thread hard enough for the intended. Steel: Rockwell C45 minimum Stainless: Austenitic 18-8 stainless steelYou may also like 3/8-16X4 1/2 Hex Tap Bolt Grade 8 Fully Threaded Zinc Yellow (Pack Qty 225) BC-3772BHT8.