Description:

Thread Size: M4 x 10mm / M4 x 0.39"(D*L); Thread Pitch: 0.7mm; Head Size: 9.5 x 8mm / 0.37" x 0.31"(D*T); Package Content: 4pcs x Knurled Thumb Screws. Material: Knurled thumb screws are made of brass, ease of machining, and an attractive appearance, rust resistance, corrosion resistance, good wear resistance, high strength, and good fastening function.. Feature: The thumb screw has a round knurled shoulder head, which provides a better grip and makes it easier to tighten or loosen the screw.. Application: Knurled head thumb screws are widely used in home appliances, electrical appliances, machinery, instruments and other DIY projects. They can be used to fix panels, furniture, lampshades, musical instruments, mechanical components, electronic equipment, communication equipment, decorative products, etc.. Advantage: Thumb screws can be installed and fastened without any tools, which is convenient. The larger the diameter of the thumb portion, the greater the clamping force that can be applied..