Metric Square Head Bolt

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Metric Square Head Bolt
  • 7-35 DAYS
  • 3000 TONS

Metric Square Head Bolt
Material: Carbon Steel, Alloy Steel, Stainless Steel
Standard: ASME/ANSI B 18.2.1 JIS B 1182
Measurement system: INCH, Metric
Size: 1/4”-1”,
Grade / Class: Gr.2, 5,8; ASTM A307Gr.A, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9
Thread: M, UNC, UNF
Finish: Black Oxide, Zinc Plated(Clear/Blue/Yellow/Black),H.D.G , Y.Z.P ,Plain, Nickel, Chrome.

These bolts feature a square head design for use in heavy-duty applications. Grade 5 Steel construction is quenched and tempered to be hard and durable. However, the grade 5 bolts are more malleable than Grade 8, allowing them to better withstand shear force. Grade 5 Steel Square Head Bolts are the UNC equivalent of Metric Class 8.8 Steel Square Head Bolts.

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