These Chicago screw is widely used in fastening and binding various leather products such as leather wallets, backpacks, pants, shoes, belts, hats, photo albums, etc.

Specification
Material: Carbon Steel
Color: Bronze Tone
Screw Size: M5 x 4mm
Post Length: 4mm/0.16 Inch
Post Diameter: 5mm /0.2 Inch
Screw Size: 4 x 4 mm / 0.16 x 0.16 Inch（OD x L）
Round Flat Head Size: 9.5 x 1.5 mm/0.4 x 0.06 Inch(OD x T)
Package List: 60 Sets x Chicago Screws

Advantage
Made of carbon steel with electroplated surface, forming a dense oxide film, these durable Chicago screws are waterproof, wear-resistant, rust-proof, burr-free, not easy to deform and break, can be used for a long time. Precise threads ensure a tight connection that won't loosen or fall off.

Instruction
Easy to Install and Remove. Insert the stud through the hole, align the nut with the stud and tighten the screw with screwdriver.

Note
Please check the size before purchasing.
Make sure the button stud is properly aligned and apply even pressure when installing to ensure a secure fit.