M8 x 15mm Threaded Insert Self Tapping Spiral Inserts SUS303 Stainless Steel (20pcs)

General Description

SUS303 stainless steel self-tapping threaded inserts are designed to repair damaged screw holes without the need for pre-drilling. Easy to install, they can be directly screwed into specific holes using installation tools. Thanks to their large contact surface of 10 mm in length, they provide increased pulling resistance and anti-vibration capability, preventing loosening.These inserts are suitable for a wide range of applications, including the automotive, railway, shipbuilding and household appliance industries.

Technical specifications

• Material: SUS303 stainless steel
• Internal thread: M8 (diameter) × 1.25 (pitch)
• Length: 15 mm
• External thread size: M12 (diameter) × 1.5 (pitch)
• Drill diameter: 10.6 ~ 10.8 mm (plastic); 11 ~ 11.2mm (aluminum alloy); 11.2 ~ 11.4 mm (cast iron)
• Minimum drilling depth: 18 mm
• Quantity: 20 threaded inserts
• Weight: 104 g (approximately)

Usage

These inserts are particularly useful for low strength materials such as aluminum and magnesium, helping to prevent damage to threads while maintaining good connection. They are ideal for parts requiring frequent disassembly, improving the durability and wear resistance of threads.When repairing, simply install the insert into the damaged screw hole to restore its normal use.