The screw post is a component composed of a screw with a flat head cap and a nut with a flat head cap. It is made of carbon steel. It is widely used in DIY projects, clothing making, leather crafts and furniture installation.
To install the screw post, drill a hole 0.5-1mm larger than the diameter of the 3/16 inch(5mm) barrel nut;put the screws and nuts on both sides of the object, and then use the screw driver to tighten the bolts and nuts.
Specifications:
Thread Size: M4
Screw Length: 4mm / 0.16 inch
Barrel Nut Length: 20mm / 0.79 inch
Barrel Nut Diameter: 5mm / 0.20 inch
Screw Head Diameter: 9.4mm / 0.37 inch
Material: Carbon steel
Finish: Nickel plating
Package Content:
25 pcs M4x4mm Bolt
25 pcs M4x20mm Barrel Nut