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grade 5 6 bolts in building materials mill

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grade 5 6 bolts in building materials mill

Bolt grade. Bolt Material . Bolt diameter. Minimum tensile strength. Grade 2. Low- to medium-grade carbon steels. 1/4 to 3/4in. 3/4 to 1 1/2in. 74,000 psi. 60,000 psi . Grade 5. medium carbon steels that have been quenched and tempered. 1/2 to 1 in. 1 to 1 1/2 in. 120,000 psi. 105,000 psi. Grade 8. medium carbon steels that have been ...

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