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20pcs Thread Repair Insert, M12 x 1.75 Stainless Steel Wire Inner Thread Inserts Coiled Wire Helical Screws Stripped Stripped Thread Rethread Repair Male Female Convert(2D)

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$8.79

$ 3 .99 $3.99

In Stock
  • 304 Stainless Steel: Thread Repair has corrosion resistance and is not easy to break when repairing threaded holes.
  • Tighter Threaded Fasteners: Threaded sheaths made of high strength, accuracy diamond‑shaped cross section steel wire, stainless steel threaded sleeves, wire sleeves, which is a new type of female threaded fasteners.
  • M12 x 1.75 Thread: The thread size is standard, the thread is clear, and it will be more accurate for thread sliding tooth restoration.
  • Repairing the Threaded Hole: If thread processing error occurs or female threaded hole is damaged, the wire thread insert is a good maintenance tool.
  • Suitable for: Commonly used in hydraulic machinery, welding equipment, auto parts, power machinery and furniture, etc.


Specification:Item Type: Thread Repair
Material: SUS304
Model: M12 x 1.75
Thread Specification: M12 x 1.75
Outside Diameter Before Installation: 0.56-0.58in
Drill Bit Diameter: 0.5in
1D Length After Installation: 0.5in
Number of Turns Before Installation: 5.3
1.5D Length After Installation: 0.7in
Number of Turns Before Installation: 8.4
2D Length After Installation: 0.9in
Number of Turns Before Installation: 11.6
2.5D Length After Installation: 1.2in
Number of Turns Before Installation: 14.8
3D Length After Installation: 1.4in
Number of Turns Before Installation: 18
Wire Thread Insert Model Description: For Example: M3 x 0.5 x 1.5D, which means that after the screw set is completed, the female thread is M3, the pitch is 0.5, and the length is 1.5D (length is 1.5 times the diameter, that is, 1.5 x 3=4.5mm ), the length here refers to the length after installation.
Wire thread inserts are also called threaded sheaths, stainless steel threaded sleeves, wire sleeves, and braces. They are a new type of internal threaded fasteners made of high-strength, high-accuracy diamond-shaped cross-section steel wires; Application to low-strength engineering materials such as aluminum alloy, zinc alloy, copper, plastic, etc., can significantly improve thread strength and wear resistance.
Package List:20 x Thread Repair


Daniel F. Martin
Reviewed in the United States on March 20, 2025
Correct size and configuration. Excellent.