4穴ナット R

商品名 4穴ナット R

材質：ステンレス鋼/炭素鋼（材質は任意）

評価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.