ASTM A320 L7 Xylan 1424 200mm PTFE Coated Fasteners For Pipe Fittings
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ASTM A320 L7 fully threaded UNC stud bolt for low temperature pipe fittings ASTM A320 is a standard material specification covering alloy and stainless steel bolting materials for pressure vessels, valves, flanges, and fittings for low temperature services......
Shanghai Powermax Fastener Co., Ltd.
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