Tornillos de seguridad de 4 orificios

Model: 4-hole Safety Bolts
Material: stainless steel
Specification: M6-M12
Description: 4-hole Safety Bolts is round, and the 4-hole distribution is irregular. The position of the 4-hole can be changed to distinguish the model. It is high torque, high precision, and high safety. Special tools are required for use. CNC processing technology, beautiful appearance, can be customized according to customer needs.