MaterialThe connection screws with sleeves are made of 304 stainless steel, with the characteristics of hard, rust-proof, not easy to deform and break, wear-resistant, and has a long service life. . Thread Type This connector furniture screw is standard metric thread (full thread), which is threaded clearly, thus achieving good fixing effect, with good stability and strong firmness . Humanized DesignThere is a hexagonal hole on the top of the M6 connecting screw, which can be well matched with an inner hexagonal wrench to prevent slippage during installation, ensuring the safety of use. Easy to Use Firstly, open a hole 0.5mm larger than the diameter of the nut shank, put screws and nuts on the both sides of the object to be locked, then use a hex wrench or a suitable tool to lock the fastener. Scopes of Application This binding screw kit is not only for DIY making hand, such as thick photo albums, leather crafts, but also suitable for furniture, door handle installation, furniture fixing, etc.