6PCS M6x17mm Bicycle Disc Brake Caliper Bolts MTB Bike Crank Arm Stem Fixing Screws Bike Accessories

LONGGO Steel. Type: Caliper Bolts. Material: Steel. Features: The screw color is bright, not easy to fade. Size Details: M6*18mm. Applicability: Bike disc brake Bike Crank Arm Bike BarStem. The screws are processed by automatic rolling machine with tight thread spacing, high strength and stable fastening. material, high strength, not easy to break, expand the contact area, not easy to fall. The surface is colored by PVD vacuum coating, forming oxide coating on the screw surface, strengthening the surface hardness at the same time, but also make the screw color bright, not easy to fade