No 4 self tapping screw of various choices

For those who don’t know the screws, the no 4 self tapping screw is the same as the M4 self-tapping screws. Actually not. The thread diameter indicated by #4 is 2.695 mm – 2.824 mm, and the thread diameter of M4 is 3.84 mm – 3.98 mm. Their thread diameters are different. For the #4 self-tapping screws, what choices do you have when ordering?

When ordering no 4 self tapping screw, we can choose the material of the screws, such as stainless steel, carbon steel, copper, titanium, aluminum. Stainless steel is mainly resistant to rust; carbon steel can be used for high strength, such as 12.9 screws; copper is mainly conductive. According to the performance of different materials, choose the material that suits you.

no 4 self tapping screw has many options for the head and groove type. The head types are pan head, countersunk head, flat head, round head, cup head, etc. The groove type includes: a slot, a cross slot, a hexagon socket, an inner plum, addition and subtraction groove, a pentagonal column, a triangular groove, and the like. Different head shapes and troughs have different functions. For example, a countersunk screw can be placed in a straight line with the surface of an object and is generally used on the surface of an object. The pan head screw has a protrusion on the surface of the object and is generally used inside the object.

If you want to custom no 4 self tapping screw, please feel free to contact us at annie.li@szsst88.com

Skype: kalyn qin M: +86 18124507113 Tel: +86 0755-85296744 Email: annie.li@szsst88.com Add: No. 11, Dinghou Road, Dongfang Community, Songgang Street, Baoan District, Shenzhen, Guangdong, China