1060pcs M2 M3 M4 M5 Hex Socket Screw/Carbon Steel Flat Round Cap Head Screws Bolts Nuts Assortment Kit With Storage Box(Round)

Product description1. [/]: Made of / 12.9 grade carbon steel (socket cap head only) \ 10.9 grade carbon steel (flat \ round head). They have superior wear resistance \ the excellent of oxidation resistance, which can ensure long time using.2. [Standard Metric]: Our M2 M3 M4 M5 screws \ nuts accord with standardized metric /. \ the average error is less than 0.01mm. The Nuts \ flat washers expand the contact area \ reduce the pressure in order to protect the screws \ parts.Compact \ force uniform screw thread is not easy to out of shape \ slid in the process of rolling \ installation.Package listM2 SeriesM2 * 8mm----------------------45PcsM2 * 12mm---------------------45PcsM2 * 16mm---------------------45PcsM2 * 20mm---------------------45PcsM2 Nuts--------------------------185PcsM2 Washers--------------------185PcsM3 SeriesM3 * 8mm----------------------20PcsM3 * 12mm---------------------20PcsM3 * 16mm---------------------20PcsM3 * 20mm---------------------20PcsM3 Nuts-------------------------85PcsM3 Washers--------------------85PcsM4 SeriesM4 * 8mm----------------------10PcsM4 * 12mm---------------------10PcsM4 * 16mm---------------------10PcsM4 * 20mm---------------------10PcsM4 Nuts--------------------------45PcsM4 Washers--------------------45PcsM5 SeriesM5 * 8mm----------------------10PcsM5 * 12mm---------------------10PcsM5 * 16mm---------------------10PcsM5 * 20mm---------------------10PcsM5 Nuts--------------------------45PcsM5 Washers--------------------45Pcs

• Our M2 M3 M4 M5 screws nuts accord with standardized metric /. the average error is less than 0.01mm. The Nuts flat washers expand the contact area reduce the pressure in order to protect the screws \