12-point nut with groove

The fastening and opening of bolts and nuts adopts non-standard design, and the matching
non-standard tools are used to solve the opening and fastening problems. In general, other
wrenches cannot be inserted. In the appearance design of nuts and bolts, non-standard slotting,
opening or pentagonal, heptagonal, nine-corner or custom-made corresponding groove tools
have played a very good anti-theft effect

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 12-point nut with groove is a specialized fastener combining a 12-point (dodecagonal) head with integral slots for enhanced locking functionality. This design provides multiple engagement surfaces for torque application while incorporating a positive locking mechanism to prevent loosening under vibration or dynamic loads.

Key Features:

1. 12-Point Head Design

   • Allows 30-degree tool engagement (vs. 60° for hex nuts), ideal for tight spaces.

   • Compatible with standard 12-point sockets (common in aerospace and high-performance applications).

2. Integrated Slots (Locking Feature)

   • Slots accommodate lock wire (safety wire), cotter pins, or retaining clips for fail-safe security.

   • Prevents rotation due to vibration, making it ideal for critical assemblies.

3. Materials & Finishes

   • Materials: Stainless steel (A2/A4), alloy steel (Grade 8, 10), titanium, or corrosion-resistant alloys.

   • Coatings: Zinc plating, black oxide, cadmium (for aerospace), or PTFE for lubrication.

Advantages vs. Standard Nuts:

 Superior Locking – Slots ensure mechanical retention (unlike nylon inserts).
 Reusable – Unlike chemical threadlockers, slotted nuts can be reused after inspection.

Summary:

A 12-point nut with groove is a high-security, vibration-resistant fastener used in mission-critical applications where standard nuts would fail. Its 12-point head allows efficient torque application, while the integrated slots ensure absolute locking via wire or pins.