Harfington Screw Post Binding Bolts Leather Fastener

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 carbon steel material, black powder coating, high hardness. Specification: Product Name: Screw Post Material: Carbon Steel, Black Powder Coated Main Color: Black Screw Head Diameter: 12.8mm / 0.5″ Under Head Size(Female): 8 x 15mm / 0.24″ x 0.59″(D*L) Under Head Size(Male): M6 x 40mm / 0.24″ x 1.57″(D*L) Fit Hole Diameter: 8mm / 0.31″ Hex Socket Width: 4mm / 0.16″ Applicable Thickness of Locked Object: 42-49mm Weight: 136g Package Content: 10 Sets x Screw Post