M5 M6 M8 M10 Aluminum Knurled Thumb Nut Through Hole Hand Step Nuts Screw cap
M5/6/8/10 Aluminium Alloy Knurled Thumb Nut with Collar Through Hole Hand Knob. Type: Thumb Nuts. Pitch: coarse Pitch. Mode of action: hand twist. Material: Aluminum Alloy.