Hexagon turnbuckles
This standard specifies dimensions and technical delivery conditions for sizes M6 to M30 hexagon turnbuckles with widths across flats as in ISO 272, of product grade A and made of steel or austenitic steel.

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