Description:

Thread Diameter:M4; Thread Pitch: 0.7 mm; Screw Length: 20mm/0.79inch. Inner Hex Socket: 2.5mm/0.1inch.. Package Content: 50(+-2%) PCS Flanged Button Head Socket Cap Screws, Screw Groove Type: Hex Socket.. Pan head machine screws, Hex socket drive. Metric machine screws for universal use. 304 Stainless steel hex socket round head screw used extensively where to fasten is needed.. Widely used in the wind power industry, office equipment industry, electronics products, household appliances, the communications industry, locks, lamps, etc..