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).Diameter (Nominal): M16Thread Pitch: 2.0Length (Nominal): 35mmProduct Class: Externally Threaded FastenersOrder: Machine Thread FastenersCategory: Socket Head Cap ScrewsSystem of Measurement: MetricBrand: Aspen Fasteners®Head Style: Cylindrical HeadDrive Style: Hex Socket DriveThread Length: Full ThreadThread Direction: Right-Hand ThreadMaterial: SteelMaterial Grade: Class 12.9 SteelCoating: UncoatedOrigin: Made in U.S.A.Standards and Specifications: ASTM A574M