A31B-3 without lock, A31B-4 with lock.
Built-in compression spring, with pre-pressurized vibration reduction function,
Made of stainless steel, ensuring reliable use. The material is thickened with detailed attention to detail. Electrostatic painting/ polishing.
With side holes, can be equipped with locks or lead seals to prevent loosening The self-locking device can achieve self-locking function, with reliable safety, and the buckle will not loosen due to vibration Compression springs have elastic preloading and shock absorption functions
No. 1389 Kaiming Road, Economic Development Zone, Laizhou City, Shandong Province
