6 Pcs M6 X 20mm Star Hand Knob,Umbrella Screw Star Knobs

This 6-piece star knob set from Dplolng provides reliable manual adjustment and clamping for various equipment and furniture. Each knob features a star-shaped handle design that offers a comfortable, non-slip grip for tool-free tightening and loosening.Crafted from durable plastic exterior with carbon steel internal thread inserts, these knobs resist wear, corrosion, and stripping, ensuring long-lasting clamping performance. The smooth plastic surface provides a burr-free, comfortable grip, while the robust metal thread ensures secure fastening.Versatile and practical, these star knobs work for mechanical equipment adjustment, furniture assembly, fitness equipment, tool fixtures, and various industrial applications. The 6-piece set provides ample quantity for multiple projects and equipment setups.Specifications:Product name: black plastic hex shaped clamping knob handle clamping knob Color: blackMaterial: plastic + carbon steelSize: thread size: M6 x 20mm / 0.229" x 0.788" (Dia x L);thread pitch: 1.0mm; head diameter: 37.21mm / 1.465"Packaging dimensions: 15*9*3.8(cm)Packaging list: 6pcs umbrella holder replacement screws

• 【Package Includes】You will receive 6 pieces M6 x 20mm hand knob tightening screw (M threads are not compatible with US standard threads).Please confirm the thread size you need before purchase
• 【Size】Thread size: M6 x 20mm / 0.229" x 0.788" (Dia x L). Thread Pitch: 1.0mm. Head diameter: 37.21mm / 1.465". (Note: Please check the size before purchasing. Considering tolerance issues, the actual outer diameter of the thread is 5.82 mm)
• 【Premium Material】The umbrella screw is made of plastic and steel, the screw head is made of plastic,the stud is made of carbon steel, zinc-plated surface,sturdy and durable,not easy to deform,can serve for a long time
• 【Easy to Use】These umbrella base screw knob replacements install easily,screw head star design, comfortable gripand ergonomic.It can be easily tightened or loosened by hand
• 【Wide Application】Thes star hand knob can be widely used as replacements, accessories, jigs and fixtures, etc. Suitable for umbrella base screw replacement,speaker stands,woodworking jigs, industrial instruments and more