Feature:1. M2 M3 hex standoff nut screw set, easy to install and use, with long service life.2. The standoff uses brass, and the screws and nuts are made of stainless steel.3. Strong and durable, anticorrosion, high hardness, not easy to deform.4. Suitable for communications, medicine equipment, office equipment, electronics, etc.5. The kit contains a variety of specifications, rustproof, and meets the needs of use.Specification:Item Type: Standoff Nut Screw KitMaterial: Brass+stainless steelUses: Suitable for communications, medicine equipment, office equipment, electronics and other industries.Package List:160 x Standoff 40 x Nut40 x Screw Note:1. The fitting surface of the bolt nut and the washer should be smooth, and free of burrs and protrusions. 2. When tightening the bolts, the tightening torsion should be controlled. Excessive tightening torsion will elongate or break the bolts, or cause deformation of the body; if the tightening torsion is too small, the bolts are easy to loosen.3. After tightening the bolts, tap the nuts one by one with a small hammer, and use the sound method to check the tightness of the bolts.