三角形の安全ボルト

冷間圧造加工は、切削の少ない、あるいは切削を必要としない新しい圧造加工のひとつである。
金属。の作用による金属の塑性変形を利用した加工法である。
外力を受け、金型の助けを借りて、金属の体積を再分配し、移動させる。
必要な部品やブランクを製造します。冷間圧造工程は、標準的な
ボルト、ネジ、ナット、リベット、ピンなどの留め具。

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) または self-tapping thread (screws) depending on application.

Common Uses:

• Security panels & enclosures

• 三角形の安全ボルト

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

• Electronics & machinery requiring restricted access

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