Screw Post Fit for 3/16 (5mm) Hole Dia Female 4x40mm Belt Buckle Binding Bolts Leather Fastener Carbon Steel 10 Sets-40mm

The screw post is a component composed of a screw with a flat head cap (with or without a drive slot) with a mechanical thread and a nut with a flat head cap. It is generally made of aluminum copper carbon steel stainless steel and other materials. It is used for office stationery leather goods apparel arm belts etc. It mainly has the functions of combination connection fixing and wear resistance. Note: Light shooting and different displays may cause the color of the items in the picture to be slightly different from the real object. When the screw post is used in binding booklets photo albums etc. first make a hole at a suitable position the hole is 0.5mm larger than the diameter of the nut rod of the binding bolts. According to the thickness of the booklet select the screw corresponding to the length of the nut rod and insert the two ends into the holes to connect and lock. In leather goods there are shadows of screw posts everywhere such as belts harnesses leather bags leather boots etc. Generally make a hole in the leather goods first and insert the corresponding type of screw to lock. In general it is very sturdy and it is also convenient for disassembly and maintenance. On office products furniture DIY handicrafts and other items. Screw posts are also very common providing very simple installation disassembly assembly maintenance etc. Mechanical threads provide strong precision connection and locking force can be repeated used many times every time like new. Introduction and Function Widely Application