SS Slotted CSK Machine Screw:M8 x 40mm - DIN 963/A2

This DIN 963 machine screw features a slotted head and countersunk (CSK) design, manufactured from A2 grade stainless steel for reliable corrosion resistance in diverse environments. Rated to the DIN 963 standard, it ensures consistent dimensional accuracy and structural integrity for general engineering applications. Buyers select this specification for its balance of strength and rust prevention, making it suitable where zinc-plated alternatives might fail. With an M8 nominal diameter and a 40mm nominal length, the fastener provides robust clamping force while allowing a flush finish. To choose the correct size, verify that the M8 diameter matches your tapped hole and that the 40mm length offers sufficient thread engagement without interfering with adjacent components.