Hardware from ADD Automotive

Hardware from ADD Automotive

Hardware from ADD Automotive

Here at ADD Automotive, we make our own proprietary security bolts and bits. All made in the U.S.A. 

Use them for a project or anything you need a security bolt for, to make it extra secure.


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Proprietary Security Bit by ADD Automotive SECURITY BIT
Patented 3/8 Security Bolt 3/8
Patented M8-125 Security Bolt M8-125
3/8 Bracket by ADD Automotive 3/8 BRACKET
2007-2021 Tundra Cat Shield Hardware 2007-2021 Tundra
2022-2025 Tundra Cat Shield Hardware 2022-2025 Tundra Gas & Hybrid