Specification:
Material: 304 Stainless Steel
Head Style: Flat Straight Line Knurled Head
Thread Style: Fully Thread
Thread Diameter: M4
Thread Pitch: 0.7mm / 0.03inch
Rod Length: 20mm / 0.79inch
Head Diameter: 8mm / 0.31inch
Head Thickness: 6mm / 0.24inch
Description:
1. The thumb screw Knob has corrosion resistance, rust resistance, good wear resistance, well fastening function and long-lasting service.
2. The screw thread of the thumb screw is clear, the force is evenly rotated, and it is not easy to slip, and the fixing and adhesion effect is good. Tightly molded metal screws ensure optimum durability and functionality.
3. Thumb screws with knurled heads provide extra grip for hand tightening. The wavy edge is designed to be tightened and loosened by hand, making it easier to actuate by hand and can be installed without tools.
4. Hand-made thumbscrews are suitable for mechanical equipment, tools, automobiles, instrumentation, industrial equipment, household appliances, furniture manufacturing, communications industry and testing equipment, where screws need to be loosened frequently.