4 孔螺帽 R

產品名稱： 4 孔螺帽 R

材質：不銹鋼/碳鋼（材質可選）

評分：A2-70/A4-80/4.8/8.8/10.9

Description: Torx Security Lock Nuts is 4 slots showing plum blossom shape, 4 slots evenly distributed, built-in nylon relaxation gasket, anti-vibration nut, no loosen nut, high torque, high precision, need special tools to use. CNC processing technology, exquisite appearance, can be customized according to customer demand size.