4 Pcs M4x20mm Flat Head Knurled Thumb Screws for Graphics Card, Silver

What is this?
Knurled thumb screws are widely used in computer graphics cards, PC computer cases, mechanical equipment, the communication industry, hard disks, automobiles, and the lighting industry. They are reliable fasteners for various tasks. They are mainly used in DIY projects, electronic equipment, mechanical parts, decorative products, etc.

What will I get?
Flat thumb screw
Thread Size: M4x20mm/M4x0.79inch(DxL)
Head Size: 12x5mm/0.47x0.2inch(DxT)
Material: 304 Stainless Steel
Color: Silver
In the package of: 4 x Thumbscrew

Are there any advantages of the product?
The knurled head thumb screw is made of 304 stainless steel, which is excellently durable and corrosion resistant. It is also wear-resistant, has uniform force, is not easy to slip, and has a long service life. The knurled texture on the surface provides a better grip, making the knob easier to tighten or loosen.

How to use it?
Fully Threaded Thumbscrew is easy to use and does not require tools. Knurled head thumb screws have a secure grip and smooth surface, making it easier to tighten or loosen fasteners by hand. Just hold the knurled head and turn the screw.

What should I notice?
Check the thumb screws regularly for wear or looseness, and replace if necessary to maintain performance.
Please choose the appropriate type and size before purchasing.