Sourcingmap Screw Post Female 4x40mm Belt Buckle Binding Bolts Leather Fastener 15 Sets

• SIZE: Male Thread Size(Screw): M4 x 4mm(D*L); Female Size(Top): 4mm x 40mm(D*L)
• APPLICATION: It is good for thin albums, decorative bags, leather belts, sandals, boots, leather bags, helmets, etc.Fit for all kinds of art and leather crafts and DIY clothing production.
• INSTRUCTIONS: Make a hole larger than 0.5mm than the diameter of the nut rod, put screws and nuts on both sides of the locked object, and select the appropriate tool to lock it.
• NOTICE: Use post screws to lock, the thickness of the lock must be less than the length of the screw rod + nut rod, otherwise, it will not be locked.
• ADVANTAGE: Precision mechanical thread, nickel plated, anti-rust. Our screws are an important addition to any leather clothing or accessories.

The screw with a phillips head. Screw posts, also known as book binding posts, are extremely versatile binders that allow loose documents of practically any shape or size to be securely bound together. These low-cost, reusable screws enable you to easily change out bound documents, making them a great choice for books, menus, books, architectural and engineering drawings, and much more. Their two-piece construction allows for no-fuss updates, which is why they are an good choice for applications that require frequent updates.