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Products > pressure testing > Ningbo High Tensile Bolts Ltd | Similar Products

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ASTM A193 ASME B18.2.1 Grade B7 Heavy Hex Bolts& Screws, Inch Series: pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose bolting applications. Several grades are covered, including ferritic steels and ...

ASTM A194 & ASTM A194M Grade 2H,2HM,7,7M,4,8,8M Heavy Hex Nuts: Pressure or High Temperature Service, or both. Nut Grades& Material& UNS Number Dimensions for Imperial Heavy Hex Nuts to ASME B18.2.2 Standard Dimensions of ASME B18.2.4.6M Metric Heavy Hex ...

DIN6923 Class 4,6,8,10,12 Hexagon Flange Nuts: pressure of the nut over the part being held in place, thus reducing the likelihood of damage to the part and making it less likely to loosen due to the uneven fastening surface. DIN6923 Hexagon ...

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