【BASE INFO】Applicable Hole Dia: 5/16"(8mm); Head Dia.: 10mm / 0.39"; Package Content: 90pcs M4 x 5mm of Screws and 10pcs Each 8mm x 6mm/8mm/10mm/12mm/15mm/18mm/20mm/25mm/30mm of Tops, Totally 90 Sets.
【APPLICATION】It is good for thin albums, decorative bags, leather belts, sandals, boots, leather bags, etc. Fit for all kinds of art and leather crafts and DIY clothing production.
【ADVANTAGE】Precision mechanical thread, made of carbon steel material, brass plating surface treatment, high hardness.
【INSTRUCTIONS】Make a hole between 0.5-1mm larger than the diameter of the female rod, put the screw and nut on both sides of the locked object, and select the appropriate tool to lock it.
【NOTICE】When using the post screws to lock items, the thickness must be less than the length of the screw rod + nut rod, otherwise, it will not be locked.