BB Screw Torx Head

BB Screw

A:1021 steel
AA: SCM435, higher durability, 12.9 standard.

The head diameter of M5 is about 7mm

BB Torx Keys

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Quenching and Hardening, Not Easy to Slip Wire

Through multiple quenching, the hardness of the screws is enhanced, effectively avoiding the problem of screws being prone to slipping

Stable and More Secure Locking Force

Increase the depth of the thread teeth, ensure uniform and stable torque, and enhance the locking force of the screws, making them more secure

Quenching and Hardening, Not Easy to Slip Wire

Through multiple quenching, the hardness of the screws is enhanced, effectively avoiding the problem of screws being prone to slipping

12.9 Level High Strength

Forged with high-strength alloy steel and subjected to multiple high-temperature
heat treatments to improve screw strength, it has high load-bearing capacity

Can Meet Different Needs

A-grade hardness screws and AA high hardness screws, with different qualities to meet your different needs

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SHIPMENT

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