T-head bolts with double nib
This standard specifies M 8 to M 80 X 6 T-·head bolts with double nib. They are designed for use in attaching components to foundations or similar structures by means of T-slots, such as are specified in DIN 649, where T-head bolts with square neck are considered adequate detachable fasteners.
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SQUARE AND HEX MACHINE SCREW NUTS
High-strength structural bolting assemblies for preloading Part 4: System HV — Hexagon bolt and nut assemblies
COATINGS OF CADMIUM MECHANICALLY DEPOSITED ON IRON AND STEEL
Prevailing torque type all-metal hexagon nuts with flange, with metric fine pitch thread (ISO 12126: 1997, modified) English version of DIN EN 1667
Screw and washer assemblies – Coarse threaded screws with captive plain washer
NONFERROUS BOLTS, HEX CAP SCREWS, AND STUDS FOR GENERAL USE