Specification Brand : Greensen BulletPoint1 : Enhanced Connection: Suitable for low strength materials like aluminum and magnesium, these inserts prevent thread damage and improve connection strength. BulletPoint2 : Simple Maintenance: Easily repair damaged screw holes by installing a thread insert, restoring the hole's functionality and preventing workpiece loss, ensuring carefree maintenance. BulletPoint3 : Extended Lifespan: Ideal for parts that require frequent removal, these inserts greatly enhance the service life of screw threads, ensuring long-lasting performance. BulletPoint4 : Secure and Tight: Prevent screws from loosening, especially useful for products that demand high insurance coefficients, providing a secure connection. BulletPoint5 : Easy Installation: These self tapping thread inserts can be installed directly without the need to tap a thread first, saving time and effort. Color : Black IncludedComponents : tapping block ItemDisplayDimensions_Height : 3.94 centimeters ItemDisplayDimensions_Length : 13.98 centimeters ItemDisplayDimensions_Width : 5.91 centimeters ItemDisplayWeight : 2.19 pounds ItemName : Stainless Steel Self Tapping Thread Insert M3 x 6mm 20Pcs for Improving Screw Connection with Easy Maintenance ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : tapping-inserts Manufacturer : Greensen Material : rubber, iron ModelName : Greensenq50xwz1e4y ModelNumber : Greensenq50xwz1e4y NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : Greensenq50xwz1e4y ProductDescription : Description: These steel thread inserts can effectively improve screw connection, greatly improving the reliability. Used in all kinds of low strength materials, thread inserts can largely improve the performance of screw connection, and avoid thread damage.