Product Name : Thumbscrew Grip Knob;Material : Metal, Plastic;Type : M6 x 40mm
Thread Dia : 6mm / 0.24";Thread Length : 40mm / 1.6"
Head Dia : 21mm / 0.8";Total Length : 54mm/2"
Head Type : Thread Screw;Color : Black, Silver Tone
Weight : 62g;Package Content : 5pcs xThumbscrew Grip Knob
Feature with thread style round plastic head, metal M6 x 40mm bolts screws.
It is a good hardware accessory for industry.