DECARBURIZATION IN HARDENED AND TEMPERED METRIC THREADED FASTENERS
This SAE Recommended Practice covers methods for measuring, classifying, and specifying decarburization in the threaded section of hardened and tempered steel bolts, screws, studs, and similar parts. It is not intended to cover products which are specifically carburized to achieve special properties.
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Slotted Raised Countersunk (Oval) Head Screws (Countersunk Heads according to ISO)
Hexagon nuts with metric coarse and fine pitch thread – Product classes A and B
Machine screws and nuts for spectacle frames
Mechanical properties of fasteners Part 7 : Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm
Mechanical properties of fasteners – Part 7: Torsional test and minimum torques for bolts and screws with nominal diameters 1 mm to 10 mm