Product Details:
Color: Black
Material: Carbon Steel
Thread Size: M4x18/20/25/30mm
Screw Expansion Tube Size: 6mm x 30mm/0.24" x 1.18"(D*L)
Package Content:
160pcs x Self Tapping Screws Kit(4 sizes in M4)
1pcs x Screw Expansion Tube

Material - These screws are constructed with carbon steel material which is finished with black oxide coating providing extra protection against rust and corrosion, offering excellent strength and durability, being oxide-resistant, wear-resistant, and not easy to deform and break.

Feature - Self-tapping screws offer convenience and efficiency, with a sharp, pointed tip allowing for quick and reliable fastening without the need for pre-drilling or additional hardware. What's more, the cross-drive screws feature a countersunk head design to sit flush with the surface they are being driven into.

Application - Flat head screws are great replacement parts and construction fasteners for machinery, industry, manufacturing applications, household appliances, furniture, woodworking, DIY projects, etc. Suitable for use in a variety of materials, such as plastics, wood, metal, etc.

Notice - The wood screws are packed in a durable box, to avoid making a mess, the box is clearly labeled so that you can quickly identify the size you need by the label.