40Pcs Button Head Socket Cap Screws M4-0.7X40Mm Stainless Steel Silver

BUTTON HEAD SOCKET CAP SCREWS APPLICATIONButton Head Socket Cap Screws feature a low-profile, rounded dome head that provides a sleek and safe finish. Unlike flat heads, they sit above the surface without needing a countersunk hole, and offer a lower, smoother profile than socket head cap screws, making them for applications in fitness equipment, bicycles.ABOUT THIS BUTTON HEAD SCREWSThis screw is manufactured from Type 304 stainless steel ( 18-8 stainless steel ), a material that achieves corrosion resistance through the formation of a passive chromium oxide layer on its surface. This layer provides protection against oxidation in a range of atmospheric and chemical environments. 304 stainless steel fasteners are commonly specified for applications involving exposure to moisture, such as in food processing equipment, marine hardware, and architectural fixtures.SPECIFICATION Color: Silver Material: 304 stainless steel (18-8 stainless steel ) Thread Type: Coarse Thread Thread Dia.: M4 Thread Length: 40mm/1.57" Head Size: 7.6x2.2mm/0.3x0.09"(Dia.*T) Hexagon Width: 2.5mm / 0.1" Package Content: 40pcs x Button Head Hex Socket Screws (with a spanner) NOTE-Please refer to the image of SIZE and choose the Screws suitable for your project.