Technical Specifications

1. Material:

   • Steel (plain, zinc-plated, galvanized, or stainless steel)
   • Brass
   • Aluminum
   • Nylon (for lightweight, non-load-bearing applications)

2. Dimensions:

   • Sizes: Commonly available in metric and imperial sizes (e.g., M4–M20, ¼"–1").
   • Thread types: Coarse, fine, or custom.
   • Slot width: Designed to accommodate cotter pins of standard sizes.

3. Threading:

   • ISO Metric (DIN 935 for metric standards).
   • Unified Thread Standard (UNC/UNF).

4. Strength Class:

   • 4, 8, or 12 for steel (depending on load requirements).
   • A2 or A4 for stainless steel.

5. Surface Treatment:

   • Plain finish.
   • Zinc or chrome plating for corrosion resistance.
   • Hot-dip galvanization for heavy-duty applications.

Features

1. Slots for Locking:
   Designed to align with a cotter pin, ensuring the nut remains secure even under high vibration.

2. High Strength:
   Suitable for heavy loads, especially when made from high-tensile steel.

3. Corrosion Resistance:
   Available in stainless steel and plated versions for durability in harsh environments.

4. Reusable:
   Can be easily dismantled and reused with minimal wear.

5. Versatility:
   Compatible with bolts, threaded shafts, and axles in various machinery.

6. Safety-Oriented Design:
   Prevents accidental loosening, improving reliability in critical applications.

Uses

1. Automotive Industry:

   • Securing wheel hubs, suspension systems, and steering mechanisms.

2. Aerospace Industry:

   • Fastening components where safety and reliability are paramount.

3. Machinery and Equipment:

   • Used in agricultural and construction equipment for securing rotating or load-bearing parts.

4. Railway Applications:

   • As a safety measure for components subjected to continuous vibration.

5. Marine Applications:

   • Resistant to corrosion, making them suitable for boats and ships.

6. Electrical and Industrial Assemblies:

   • In critical assemblies where loosening could lead to operational failure.

7. Military and Defense:

   • Used in tanks, artillery, and other heavy-duty applications requiring robust and secure fastening.