<h3>Key features</h3><ul> <li>✔️Long：12.7~18mm</li> <li>✔️Thread Pitch：1.25mm</li> <li>✔️Inside Diameter：12mm</li> <li>✔️External Diameter：15mm</li> <li>✔️Material：304 Stainless Steel</li> <li>Premium Quality Used in various low strength materials, which can improve the wear resistance of bolt connections and avoid the damage of thread. The locking type wire screw sleeve can lock the screw into the threaded hole, so that the screw is not loose when subjected to shock vibration, which is better than the normal locking device.</li> <li>Effect Because of a certain elastic, can make the load on the thread is more even, eliminate the screw and screw hole deviation between the pitch and tooth type, and can absorb vibration, thus increasing the screw thread connection strength and resistance to fatigue strength.</li> <li>Easy to maintain The damaged screw holes shall be put into the wire screw sleeve , which can be used again to avoid the possibility of damage to the workpiece.</li> </ul><p>✔️✔️What we sell screws and bolts are made of 100% high-quality 304 stainless steel, which is superior to fasteners made of ordinary steel, carbon steel, and other materials. They have good strength and corrosion resistance in harsh environments.✔️✔️Please check out our store for other size,There are a variety of sizes available but they are not all listed.✔️✔️If you have any needs or are not satisfied, please feel free to contact me at any time, we will be happy to serve you.</p><p>Free shipping included. 30-day hassle-free returns.</p>