Triangular raised safety bolt

Cold heading process is one of the new processes for pressure machining of less or no cutting
metal. It is a processing method that utilizes the plastic deformation of metal under the action of
external forces, and with the aid of molds, redistributes and transfers the volume of metal to form
the required parts or blanks. The cold heading process is most suitable for producing standard
fasteners such as bolts, screws, nuts, rivets, and pins.etc

A triangular raised safety bolt is a specialized fastener designed to provide enhanced security by deterring tampering or unauthorized removal. Here are its key characteristics:

Features:

1. Triangular Head Design:

   • The bolt has a three-lobed (triangular) raised head, requiring a matching triangular socket or driver for installation/removal.

   • Unlike standard hexagonal or Phillips heads, this shape makes it difficult to grip with common tools like wrenches or pliers.

2. Raised or Domed Profile:

   • The head is slightly raised or domed, preventing easy access to the edges with prying tools.

   • The smooth, curved surface makes it hard to grip with locking pliers or vice grips.

3. Tamper-Resistant:

   • The uncommon shape acts as a deterrent against casual tampering.

   • Often used in public fixtures, security panels, or high-theft-risk applications.

4. Material & Finish:

   • Typically made from hardened steel, stainless steel, or brass for durability.

   • May have corrosion-resistant coatings (e.g., zinc plating, black oxide) for outdoor use.

5. Thread Types:

   • Available in machine thread (bolts) or self-tapping thread (screws) depending on application.

Common Uses:

• Security panels & enclosures

• Triangular raised safety bolt

• Public infrastructure (e.g., restroom fixtures, signage)

• Electronics & machinery requiring restricted access

• Transportation (e.g., license plates, rail components)