Description:1. Material: Knurled thumb screws are made of 304 stainless steel, are rust and corrosion-resistant, durable materials that can be used indoors and outdoors, wear resistance, good fastening function.2. Feature: The thumb screw has a flat knurled shoulder head, which provides a better grip and makes it easier to tighten or loosen the screw.2. 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.3. 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.Specification:Material: 304 Stainless SteelThread Size: M4 x 20mm / M4 x 0.79"(D*L)Thread Pitch: 0.7mmHead Size: 12 x 8mm / 0.47" x 0.31"(D*T)Package Content: 5pcs x Knurled Thumb Screws
