M1.6/M2/M2.5/M3/M4/M5/M6/M8/M10 Knurled Nut With Collar Manual Adjustment DIN466

M1.6/M2/M2.5/M3/M4/M5/M6/M8/M10 Knurled Nut With Collar Thumb Knurling Nuts Knukles Tuercas Manual Adjustment Screws Moleteada Ecrou Nickle Plated Carbon steel DIN466 Blind hole Factory wholesale