Q235 Materisal Grade 10.9 Zinc Plating Weld Bolts , OEM Outer Hexagon Bolt

Q235 material Outer hexagon zinc plating weld bolt.

Description

This product is a 10.9 grade high-strength bolt made of Q235 material.

The material of high-strength bolts is different from ordinary bolts. High-strength bolts are generally used for permanent connections. Commonly used are M16~M30. The performance of oversized high-strength bolts is unstable and should be used with caution.
High-strength bolts are generally made of high-strength steel (45 steel (8.8s), 20MmTiB (10.9S)). They are pre-stressed bolts. The friction type uses a torque wrench to apply the specified pre-stress, and the pressure-bearing type unscrews the plum head. Ordinary bolts are generally made of Made of ordinary steel (Q235), just tighten it.

High-strength bolts are generally used for the bolt connection of the main components of the building structure.

Cold heading equipment

Plating line

Test equipments

Go no go gauge

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