NACX 5/16-18UNC 3D Helicoil Wire Inner Thread Inserts, Coiled Wire Helical Screws, 304 Stainless Steel, Metric, 50PCS

★★★★★ 4.3 39 reviews

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Product details

Management number 211232899 Release Date 2026/04/04 List Price $36.00 Model Number 211232899
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Product Description: Restore damaged threads quickly and effectively with these 5/16-18UNC helical thread inserts. Engineered for precision applications, these inserts provide strong, wear-resistant internal threads that extend the life of your components. Manufactured from durable stainless steel, each insert offers excellent resistance to corrosion and mechanical stress. The 3D length ensures reliable thread engagement without excessive depth requirements. Perfect for repairing stripped threads or reinforcing weak materials such as aluminum, magnesium, or plastic, this 50-piece set is ideal for professionals and DIY users alike. Product Details: Thread Size: 7.93mm Length: 3D Material: Stainless Steel Type: Helical Coil Thread Insert Quantity: 50PCS Function: Thread Repair / Reinforcement Installation: 1.Choose a suitable drill bit to drill holes on the plate, and make sure the holes are clean and free of debris after drilling. 2.Use a machine thread tap to tap the hole, and clean the hole after tapping. 3.Put the threaded insert on the thread tap, and then adjust the pipe position. 4.Use specialized tools to install the thread protection sleeve into the hole. 5.Align the punch with the mounting handle and use a hammer to forcefully remove it.

  • Fit Drilling Diameter: 7.93mm, Pitch: 1.41mm, Overall Length: 3D/ 23.82mm, providing optimal thread engagement and holding power.
  • Made of stainless steel for excellent corrosion resistance, strength, and long service life.
  • Anti-loose Design: Especially aircraft and other products that require a high coefficient of insurance.
  • It can make the load on the thread more uniform, eliminate the pitch and tooth type deviation between the thread and the screw hole, and can absorb vibration, improve the thread connection strength and fire resistance.
  • Package Included: 50PCS Wire Thread Inserts. Each insert is formed using automated production technology to ensure product processing accuracy, with a detailed and burr free appearance.
Brand NACX
Color Silver
Size Name 5/16-18UNC
Item Shape Round
Item Weight 2 Grams
Thread Size 5/16"-18
Finish Types Others
Manufacturer NACX
Fastener Type Helical
Item Diameter 7.93 Millimeters
Material Type Stainless Steel 304
Item Dimensions 0.94 x 0.39 x 0.39 inches
Number of Pieces 50
Screw Head Style Round
Compatible Groove Diameter 7.93 Millimeters

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