Helicoil Thread Inserts

Kotadia Fasteners is a leading manufacturer and supplier of  Helicoil Thread Inserts, Wire Thread Inserts, Helicoil Inserts, and Threaded Coil Inserts. We specialize in providing high-quality Helicoil Kits and Thread Repair Kits. Helicoil Thread Inserts create internal threads in materials that may be softer or prone to wear. These inserts are particularly useful for repairing damaged threads or creating new threads in alloys, metals, or composite materials. Helicoil Inserts are widely used in aerospace, automotive, electronics, and general industrial sectors.

Materials Available:

• Stainless Steel AISI 304/316
• Carbon Steel
• Brass
• Titanium (available on request)

Types of Helicoil Inserts:

1. Free Running Helicoil Inserts:
   • Standard Helicoil inserts providing smooth-running threads for easy assembly and disassembly.
2. Screw Locking Helicoil Inserts:
   • These inserts have locking coils that prevent loosening due to vibration or stress.

Helicoil Sizes and Specifications:

Metric Sizes:

• Diameters (M2 to M42)
  • M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30, M33, M36, M39, M42
• Lengths (1D, 1.5D, 2D, 2.5D, 3D)

Imperial Sizes (UNC, UNF, BSW, BSF):

• UNC (Unified National Coarse Thread):
  • 2-56, 4-40, 6-32, 8-32, 10-24, 1/4-20, 5/16-18, 3/8-16, 1/2-13, 5/8-11, 3/4-10, 1″-8
• UNF (Unified National Fine Thread):
  • 2-56, 4-48, 6-40, 8-36, 10-32, 1/4-28, 5/16-24, 3/8-24, 1/2-20, 5/8-18, 3/4-16, 1″-12
• BSW (British Standard Whitworth):
  • 1/8″, 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 1″
• BSF (British Standard Fine Thread):
  • 1/8″, 3/16″, 1/4″, 5/16″, 3/8″, 1/2″, 5/8″, 3/4″, 1″
• BSP (British Standard Pipe):
  • 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2″
• Metric Fine Pitch Sizes (ISO):
  • M2 x 0.25, M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25, M10 x 1.5, M12 x 1.75, M14 x 2.0

Thread Repair Kits:

We also offer Helicoil Thread Repair Kits which include:

• Helicoil Insert
• Thread Tap
• Installation Tool
• Tang Break Tool

Key Features:

• Corrosion-resistant stainless steel for durability.
• Wide temperature tolerance for extreme environments.
• Interchangeable with other brands of inserts and tools.
• Simplifies thread repair and strengthens weaker materials.

Applications:

• Aerospace Industry: For high-vibration environments.
• Automotive Industry: For engine repairs and gearboxes.
• General Engineering: Reinforces threads in softer materials like aluminum and plastics.

Installation Tools & Accessories:

• STI Hand & Machine Taps
• Installation Tools
• Tang Break Tools
• Thread Plug Gauges
• Removal Tools