Grade 10.9 Countersunk Socket Screws Flat Head Allen Bolts

Size:1/4-20 5/16-18 3/8-16

Material: Alloy Steel

Standard: UNC/BSW

Grade 10.9 bolts material, commonly known as high-strength bolts, is suitable for steel frame structure beam column connections, solid web beam connections, heavy crane beam connections in industrial buildings, brake systems, and important structures that bear dynamic loads.

The data has positive and negative tolerances

 

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