4 x Knurled Clamping Knobs M6 x 20mm Zinc Plated Carbon Steel Thread 21mm Head
Descriptions:* Great replacement for your broken one with this Knurled Knob.* Screw on type design for easy install and with surface nice finish for comfortable grip.* Widely used for lathe machine, mechanical equipment, instrument and , food and industry equipment. Specifications:Product Name: Clamping KnobKnurled Head Diameter: 21mm/ 0.83"Male Thread Diameter: M6Thread Pitch:1.0mmThread Length: 20mm/ 0.79"Total Height: 33mm/1.3"Net Weight: 50gMain Color: Black, Silver ToneMaterial: Metal Package Content:4 Pcs x Clamping Knob.