uxcell 5Pcs Knurled Thumb Screws, M4x8mm Brass Shoulder Bolts Stepped Grip Knobs Fasteners for PC, Electronic, Mechanical

[Thread Size] - Thread Diameter: M4; Thread Pitch: 0.7mm/ 0.03”; Rod Length: 8mm/ 0.31”; Thread Style: Fully Thread
[Screw Head] - Head Style: Round Knurled Shoulder Head; Head Diameter: 9.5mm/ 0.37"; Head Thickness: 8mm/ 0.31". The larger the diameter of the thumb portion, the greater the clamping force that can be applied
[Material] - Made of brass, this thumb shoulder screw is good for needs requiring high appearance, has corrosion resistance, rust resistance, good wear resistance, high hardness, well-fastening function, and long-lasting service than other materials
[Applications] - Applied in home appliances, communications industry, automotive industry, etc. Widely used in the installation, maintenance, and fixing of various daily needs: such as light covers, musical instruments, mechanical assemblies, electronic equipment, communication equipment, ornamental products, and so on
[Easy to Use] - No tools are required. Knurled head thumb screws provide a solid grip and smooth surface, making it easier to tighten or loosen the fastener by hand

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