Description:1. Application - Fit for all kinds of DIY, leather crafts, clothing making, or as a fastener to connect two objects. Such as thin photo albums, leather bags, wooden board connections, etc.2. Installation - 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.3. Notice - The thickness of the object which is locked, must be less than the length of the screw rod + nut rod, otherwise, it will not be able to tighten.4. Advantage - Precision mechanical thread, made of stainless steel material, wear resistance, corrosion resistance, good toughness, and good decoration.Specification:Material: Stainless SteelSurface treatment: Black Zinc PlatingUnder Head Size(Female): 8 x 16mm / 0.31" x 0.63"(D*L)Under Head Size(Male): M8 x 8mm / 0.31" x 0.31"(D*L)Nut head diameter: 16mm / 0.63"Screw head diameter: 13.8mm / 0.54"Wrench: M5Package Content: 20 Sets x Screw Post & 1 Pcs M5 Wrench
