Thread Size:(Female)M2Product Name:Nylon Lock NutsMaterial:Zinc PlatedWeight:13gMain Color:Silver Hex head, female threaded inside, metal material, anti-loose hex nut.Used with a machine or cap screw for mechanically joining materials together.Used widely for matching screws or bolts.Made of metal material, full threaded rod.The most economical and most common form of Threaded Rod. Typically used by the plumbing and contracting trades. Used in maintenance departments in various applications.Height:3mm/012 inchWidth Across Flats:4mm/016 inchWidth Across Corners:43mm/017 inchPackage Content:50 x Nylon Lock NutsNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.