SPEEDWOX 6 Pcs Clamping Screw Knob M8 X 40 Plum Hex Shaped Hand Knobs Knurled Thumb Screw Handle Clamping Knob Male Thread Metric Thread

Please keep out of children. 【DIMENSION】 Thread diameter: M8, Thread length: 16mm; Knob head diameter: 38mm. Metric thread. 【MATERIAL】 Made of carbon steel. Zinc plating for superior rust resistance. 【HEX SHAPE DESIGN】 Secure grip for the ultimate in adjusting and tightening control. 【APPLICATION】 Widely used for lathe machine, mechanical equipment, instrument and apparatus, industry equipment. 【CAUTION】Please confirm the size before buying.