T-Slot bolts
This Japanese Industrial Standard specifies steel-made T-slot bolts (hereafter, referred to as “bolts”) to be used mating with T slots (JIS B 0952).
The strength class 6T of mechanical properties specified in this Standard will be withdrawn on April 1, 1999.

Check out other specifications
Slotted cheese head screws – Product grade A
Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screws and studs with specified property classes — Coarse thread and fine pitch thread
QUENCHED AND TEMPERED ALLOY STEEL BOLTS, STUDS, AND OTHER EXTERNALLY THREADED FASTENERS
Sechskantschrauben mit Flansch – schwere Reihe – Deutsche Fassung EN 1665 : 1997
Slotted set screws
Hexagon nuts, style 2, with metric fine pitch thread – Product grades A and B (ISO 8674 :1988) English version of DIN EN 28 674