Heavy Hex Head Bolt ASTM A193 Grade B7 Alloy Steel Plain
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Heavy Hex Head
High Temperature / High Pressure Service.High Strength.From 1/4" - 7/16", cap screws are hex not heavy hex.Coating is not recommended due to hydrogen embrittlement and will lessen the temperature range the bolts were made to perform within.For corrosive applications, refer to a stainless steel cap screw ASTM A193 - B8 (304ss).
External Thread, Tapped Hole, For Nut, For High Temperature, For High Pressure