Size: The thread insert has internal thread M6x1.0 mm, external thread M8x1.25 mm, and features a small groove. This is a brand-new integrated thread set designed to prevent screw loosening, especially in applications requiring high safety standards. High-Quality Material: The reducer nut is made of high-quality stainless steel, offering high hardness, strength, and resistance to deformation, ensuring reliable and stable performance. This thread insert is an effective solution for thread repair. Includes 20 thread inserts. These self-tapping thread inserts can be installed directly without pre-threading. No additional modifications required; secure fit with low risk of dislodgement. International Standard: This thread insert is manufactured in compliance with strict quality standards and international specifications. Designed and produced under rigorous factory quality control. Wide Range of Applications: Our threaded reducer nuts feature a stable structure, excellent performance, and long service life. Commonly used in aerospace, automotive, steam turbine, electronic communication, computer, lighting, mold, mechanical equipment, and cooler manufacturing industries. Size: 15 mm Material: Stainless steel Color: Silver Package Contents: 20 x Reducing Nuts Note: The package includes only the items listed above. Other accessories are not included. Due to lighting conditions and screen variations, the actual product color may differ slightly from images shown. Measurement tolerance: ±1–3 mm.