30 Piece M8 x 1.25mm Stainless Steel Thread Repair Insert Kit

Specifications: Material: Stainless steel Color: silver Size: 4 inch Package Size: 2 x 1 x 0.3 inches Weight: 65g/2.29oz Part Number: BCOWPV-Auto4 Package Include: 1 installation tool, 1 3.96-inch drill bit, 1 break-off tool, 1 M6 tap, 1 wrench, 25 M6 thread inserts Why you need our product? -1.The product features a compact, rigid structure that resists deformation, ensuring consistent performance even after repeated installation and removal over time. -2.The repair process does not damage the vehicle's threaded hole structure. After repair, the threads engage tightly and securely, ensuring a long service life.

• High Quality Material: This product is made of stainless steel. Stainless steel offers consistent hardness and tensile strength, with a uniform structure and stable physical properties. It maintains structural integrity through repeated use, providing reliable structural support for thread repair operations and is suitable for thread repair applications on various automotive components.
• Wide Application: The thread insert for this product is sized M8 × 1.25, and the tool lengths are 5.27 inches, 4 inches, 3.96 inches, and 2.77 inches. It is compatible with common thread specifications found in automotive engine components, spark plug holes, and fastener locations. Its universal design meets the daily thread repair needs for most vehicle models.
• Easy Installation: To install, first drill a hole with a drill bit, ensuring it is straight and free of taper, then clean the hole. Next, use the included M6 tap to cut the threads and clean the hole. Then, use the installation wrench to slowly screw the insert in along the direction of the threads, avoiding vertical pressure. Finally, use the break-off tool to gently tap and remove the installation shank.
• Thread Repair: This product is primarily used to repair stripped, damaged, or worn internal threads in automotive components, restoring the threads to their original specifications. It ensures fasteners fit securely, guaranteeing the proper assembly and operation of critical automotive components such as engine blocks and cylinder heads, and resolving assembly issues caused by thread failure.
• Complete Kit: This product kit includes 1 installation tool, 1 3.96-inch drill bit, 1 break-off tool, 1 M8 tap, 1 wrench, and 25 M8 thread inserts. The repair process does not damage the threaded hole, preserving the structural integrity of automotive components and achieving long-lasting thread repair results.