This gives 316 stainless steel a higher degree of corrosion resistance and superior strength at raised temperatures

Hardness is Rockwell C32 maximum and proof load is 72

10 x 1 1/2 Phillips Bugle Laminating Screws Black Phosphate - Carton (5000)

1/2-13 x 4 Hex Tap Bolt Silicon Bronze

3/8-16 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (325) M16-2.00 Flat Socket Cap Screws DIN 7991 18-8 Stainless Steel (A2) This gives 316 stainless steel3 8 16 x 3 Grade 8 Hex Cap Screw Plain Domestic USA (325). Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on diameters 1 4 to