<h2>304 Stainless Steel Threaded Inserts – 150-Piece Thread Repair Kit</h2> <p>Keep your threaded connections strong and your workpieces intact with this comprehensive 150-piece Threaded Insert Kit. Made from durable <strong>304 stainless steel</strong>, these inserts are engineered to restore and reinforce threads in low-strength materials such as aluminum and magnesium alloy — perfect for automotive, mechanical, and general repair applications.</p> <h3>Why Choose These Threaded Inserts?</h3> <ul> <li> <strong>Protect Soft Materials:</strong> Designed for use in aluminum, magnesium, and other low-strength substrates, these inserts prevent thread stripping and deliver a secure, high-strength connection.</li> <li> <strong>Extended Service Life:</strong> Ideal for components that require frequent assembly and disassembly — significantly improves wear resistance and longevity of threaded holes.</li> <li> <strong>Balanced Load Distribution:</strong> The natural elasticity of each insert distributes load evenly across all threads, corrects pitch and tooth deviations, and absorbs vibration to boost fatigue resistance.</li> <li> <strong>Anti-Loosening Performance:</strong> Helps keep fasteners securely in place, especially critical in high-vibration environments or applications requiring a high safety factor.</li> <li> <strong>Easy Repair &amp; Maintenance:</strong> Simply install an insert into a damaged or worn screw hole to fully restore functionality — no need to replace expensive parts or assemblies.</li> </ul> <h3>Specifications</h3> <ul> <li> <strong>Material:</strong> 304 Stainless Steel</li> <li> <strong>Total Quantity:</strong> 150 pieces</li> <li> <strong>Fitment Type:</strong> Direct Replacement</li> <li> <strong>Country of Origin:</strong> Made in China</li> </ul> <h3>Size Breakdown (Inner Diameter × Pitch × Installed Length)</h3> <table style="width:100%; border-collapse: collapse;"> <thead> <tr style="background-color:#f2f2f2;"> <th style="border:1px solid #ddd; padding:8px;">Size</th> <th style="border:1px solid #ddd; padding:8px;">Quantity</th> </tr> </thead> <tbody> <tr> <td style="border:1px solid #ddd; padding:8px;">M3 × 0.5 × 1.5D</td> <td style="border:1px solid #ddd; padding:8px;">20 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M4 × 0.7 × 1.5D</td> <td style="border:1px solid #ddd; padding:8px;">20 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M5 × 0.8 × 1.5D</td> <td style="border:1px solid #ddd; padding:8px;">20 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M6 × 1.0 × 1.5D</td> <td style="border:1px solid #ddd; padding:8px;">10 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M8 × 1.25 × 1.5D</td> <td style="border:1px solid #ddd; padding:8px;">5 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M3 × 0.5 × 3D</td> <td style="border:1px solid #ddd; padding:8px;">20 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M4 × 0.7 × 3D</td> <td style="border:1px solid #ddd; padding:8px;">20 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M5 × 0.8 × 3D</td> <td style="border:1px solid #ddd; padding:8px;">20 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M6 × 1.0 × 3D</td> <td style="border:1px solid #ddd; padding:8px;">10 pcs</td> </tr> <tr> <td style="border:1px solid #ddd; padding:8px;">M8 × 1.25 × 3D</td> <td style="border:1px solid #ddd; padding:8px;">5 pcs</td> </tr> </tbody> </table> <h3>Package Contents</h3> <ul> <li>150 × Stainless Steel Threaded Inserts (assorted sizes as listed above)</li> </ul> <p><em>Note: Other installation accessories are not included. Minor color variation from product images may occur due to lighting differences.</em></p> <p>Learn more: <a href="https://www.osha.gov/personal-protective-equipment" target="_blank" rel="noopener">OSHA on