20pcs 302 Carbon Steel Self Tapping Thread Insert Screw Repair Kit(Inner M3*0.5 Outer M5*0.5)

Excellent Features: 1. Strong Vibration Resistance – Prevents loosening under dynamic loads. The large contact area provides enhanced pull-out strength. 2. High-Quality Material – Made of durable carbon steel with a galvanized finish for long-lasting performance. 3. Convenient Installation – Easy to install with simple tools. Nine style options available to suit various applications. 4. Wide Compatibility – Ideal for use in industries such as machinery, rail vehicles, shipbuilding, electronics, office equipment, engineering plastics, high-tech furniture, and aluminum die-casting. 5. Satisfaction Guarantee – If the product does not meet your expectations, enjoy a no-questions-asked 100% refund. Product Details: This 20-piece threaded insert kit is designed for quick and reliable screw repair. Made from galvanized carbon steel, the inserts offer strong vibration resistance and high pull-out force. The self-tapping design allows easy installation into pre-drilled holes, providing durable threaded reinforcement in a variety of materials. Suitable for industrial, mechanical, and DIY applications. Specification: - Condition: 100% New - Material: Carbon Steel (Galvanized) - Inner Thread: M3×0.5 - Outer Thread: M5×0.5 - Package Content: 20 Threaded Inserts Installation Guide: 1. Drill or form a hole to the recommended diameter. Attach the insert to the manual installation tool with the slot or hole facing down, ensuring the tool tip does not extend beyond the top of the hole. 2. Screw the insert vertically into the hole. Check for gaps during the first 1–2 turns; if present, realign immediately. Avoid reversing the tool during installation. 3. Once the insert reaches the desired depth (sunk 0.2 mm below the work surface), use a hex wrench to tighten the hex nut underneath. Turn counterclockwise to remove the installation tool.