(100 pcs) M5-0.8 X 25mm, ISO 4762, Metric, Hex Socket Head Cap Screws, Alloy Steel, Black Oxide, Class 12.9 Steel, Made in U.S.A.

Socket cap screws are precision fasteners often used in machine parts, die fixturing and clamping. A cylindrically shaped socket head cap screw is considered the strongest of all head styles. An internal hex socket drive is also known as an Allen drive. Class 12.9 steel is an alloy steel, quenched and tempered, with a minimum tensile strength of 1,220/mm-2 (Mpa).