ADD A CAT M8-1.25 Security Bolt 

Multi- Use security bolt. Not Just for Shields.

The ADD A CAT M8-1.25 security bolt is proprietary, tamper-resistant mounting hardware designed to secure compatible ADD A CAT catalytic converter shields. Its specialized head requires the matching ADD Automotive security bit for installation and removal.

Materials
Constructed from durable metal for automotive underbody use. Contact ADD Automotive for the bolt’s exact metal composition, strength grade, coating and finish.

Dimensions
The bolt has an 8 mm metric diameter and a 1.25 mm thread pitch. Bolt length may vary according to the vehicle and catalytic converter shield application.

Features

• Proprietary tamper-resistant bolt head
• Requires the matching ADD Automotive security bit
• M8 diameter with a 1.25 mm thread pitch
• Helps prevent removal with common tools
• Provides secure catalytic converter shield mounting
• Designed for compatible ADD A CAT shield systems
• Suitable for automotive underbody installation

Use Cases
Used to install, secure, service or replace mounting hardware on compatible ADD A CAT catalytic converter shields. The specialized security design creates an additional barrier against unauthorized shield removal and catalytic converter theft.

Included
(1) ADD A CAT M8-1.25 security bolt. 

Care
Inspect the bolt during routine vehicle maintenance and confirm that it remains properly tightened. Use only the matching ADD Automotive security bit for installation and removal. Do not use damaged, stripped or incorrectly sized tools. Keep the security bit in a secure location for future servicing.

M8-1.25 Security Bolt for Tailgate Protection

The M8-1.25 security bolt helps secure a vehicle’s tailgate and deter unauthorized removal. Its M8 metric diameter and 1.25 mm thread pitch are designed for compatible tailgate mounting points, while the tamper-resistant head requires a matching security bit for installation and removal.

Unlike a standard hex-head bolt that can be removed with common tools, this specialized bolt makes quick tailgate theft more difficult. It is an affordable security upgrade for compatible pickup trucks, work trucks, fleet vehicles, and trucks carrying valuable tailgate-mounted equipment.

Key features:

• Helps prevent unauthorized tailgate removal
• Tamper-resistant head discourages thieves
• Requires a matching security bit
• M8 diameter with a 1.25 mm thread pitch
• Simple bolt-on installation on compatible vehicles
• Suitable for personal, commercial, and fleet trucks
• Durable protection for everyday use

Important: Confirm your truck’s factory bolt size, thread pitch, required length, and clearance before installation. This security bolt is a theft deterrent and should not be described as completely theft-proof.

Description

Patented M8-125 metric security bolt designed for vehicle anti-theft applications and catalytic converter shield hardware. This tamper-resistant steel bolt features a proprietary recessed security drive and rounded button head to help deter removal with standard tools. Sold as replacement or extra hardware for compatible ADD Automotive shield installations, it is intended for secure fastening in exposed automotive and other outdoor environments. Specifications: M8 thread, 125 mm length, silver metal finish. Verify shield and vehicle compatibility before ordering.