SS309S Hex bolt SS309 Stainless Steel Bolts ASTM F2281 UNS S30909

China manufacturer of SS309S Hex bolt SS309 Stainless Steel Bolts ASTM F2281 UNS S30909 SS309 Stainless Steel Bolts are premium-grade fasteners engineered to deliver exceptional performance in demanding environments SS309 is a high temperature chromium nickel austenitic stainless steel that resists oxidation at temperatures up to 1900˚F in dry air at constant temperature.