Hexagon Socket Head Cap Bolt has good heat resistance. In intermittent use below 871C (1600F) and continuous use above 927C (1700F), 316 Hexagon Socket Head Cap Bolts has good oxidation resistance. In the range of 427C-857C (800F-1575F), it is better not to use 316 Hexagon Socket Head Cap Screws continuously, but when 316 stainless steel is used continuously outside the temperature range, it has good heat resistance. Our Company