Copper Silver brazing of carbide head

3/8-16 x 2 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (400)

6 x 1 3/4 Phillips Bugle Coarse Drywall Screws Phosphate Coated - Carton (4000)

15/32 x 12 High Speed Aircraft Bit Cobalt

7/16-14 x 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (750) 1/2-13 Socket Set Screws Cup Point Alloy Copper Silver brazing of carbide7 16 14 x 3 4 Grade 5 Hex Cap Screw Plain Domestic USA (750). Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum of