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These thread inserts are designed to form a high-strength, wear-resistant, and high-precision standard internal thread when installed in the screw hole of workpieces made of aluminum alloy or other materials. They provide a reliable solution for improving thread performance in demanding applications.

The product is ideal for cost-effective repair of threaded holes, whether you are correcting a thread error or restoring a damaged internal threaded hole. Using these inserts as a repair method ensures a durable and functional thread without the need to replace the entire workpiece.

In addition, these thread inserts can be used to convert between metric and inch threaded holes, offering a convenient and quick solution for adapting different thread standards. This versatility makes them suitable for a wide range of industrial and maintenance tasks.

Made from high-strength, high-precision diamond-shaped cross-section steel wire, these thread inserts are also known as threaded sleeves, stainless steel threaded sleeves, or wire sleeves. They represent a new type of internal threaded fastener that delivers exceptional performance.

When used on low-strength engineering materials such as aluminum alloy, zinc alloy, alloy, copper, plastic, engineering plastics, and similar materials, these inserts significantly improve thread strength and wear resistance. This ensures long-lasting and reliable threaded connections even under challenging conditions.

Item Type: Thread Inserts

Material: SUS304

Model: M20x2.5x2D

Thread Specification: M20x2.5 (mm)

Outer Diameter Before Installation: Approx. 23.6 ~ 24.2mm / 0.9 ~ 1in

Length After Installation: Approx. 40mm / 1.6in

Number of Turns Before Installation: 13.8

Drill Bit Diameter for Installation: Approx. 20.5mm / 0.8in

Description of Thread Protection Sleeve Model Specification: For example: M3x0.5X1.5D, meaning that after the screw set is complete, the internal thread is M3, the pitch is 0.5, and the length is 1.5D (the length refers to 1.5 times the diameter, i.e., 1.5x3=4.5mm), the length here refers to the length after installation.

5 x Thread Inserts

Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We do our best to provide you with satisfactory after-sales service.