What is this? These knurled thumb screws are widely used in mechanical equipment, communication industry, marine industry, automotive and lighting industries. They are reliable fasteners for various purposes. They are mainly used in DIY projects, electronic equipment, mechanical parts, decorative products, etc. These knurled screws are easy to install and can be firmly fixed on various components.
What will I get? Flat thumb screw
Thread Size: M4x16mm/M4x0.63inch(DxL)
Head Size: 12x8mm/0.47x0.31inch(DxT)
Material: Carbon Steel
Surface Treatment: Galvanized
Color: Silver
In the package of: 40 x Thumbscrew
Are there any advantages of the product? The knurled thumb screw is made of carbon steel with a zinc-plated surface. It has a beautiful appearance, good rust and oxidation resistance, wear resistance, no deformation, and a long service life. The thread is deep, the pitch is uniform, and the tightening force is strong. The flat head thumb screw has knurling on the surface, which can be easily installed and removed manually without tools.
How to use it? Fully threaded thumbscrews are easy to use. The knurled head thumb screws have a secure grip and a smooth, burr-free surface, making it easy to hand-tighten or loosen fasteners. 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.