QUCUMER 20 Pcs Clamping Screw Knob, M6 x 40mm Male Thread Knurled Clamping Knobs Plastic Head Hand Knobs Plum Hex Shaped Grips Star Knob Star Shaped Clamping Screws Star Grip Nuts for Machinery Lathe

QUCUMER Clamping Screw Knob ------ star button, screwable, ideal feel and grip shape in ergonomic star optics. ☼ Features ▲ 1. The star screw M6 made of high-quality plastic, which has durability and impact resistance and has a long service life. The screws are made of high quality carbon steel, are highly hardened, rust-proof, firm and durable. ▲ 2. the thumb screw M6 has a star-shaped design that gets a comfortable grip and can easily tighten the screw manually without slipping, and has no burr spiral. The plastic is nice to grip and can also withstand proper torque without detaching from the metal. Ideal feel and grip shape in ergonomic star look. ▲ 3. The plastic handle of the star screw has a comfortable grip and can be attached and installed by hand without other tools, as well as turned directly by hand. The design makes it easy to install, disassemble and adjust. ▲ 4. Clamp knob screw is used to firmly attach and attach components, units and operating parts to the machine. Suitable for most machine tools and devices. Such as mechanical equipment, instruments, food and industrial equipment, household appliances.. ▲ 5. 50 x star handle screw. Color:Black The head diameter is 25 mm. Screw length: 40 mm. Thumb screw is suitable for most machine tools ☼ Specifications: Material:Plastic+Carbon Steel Colour:Black Size:M6*40mm ☼ Package Included 20 Pcs * Star Grip Screw