Fasteners – Thread undercuts for external metric ISO threads
This International Standard lays down the form and dimensions of thread undercuts for bolts, screws and similar externally threaded products, recommended for use in those cases where an undercut is needed for threaded components such as plugs, unless otherwise specified in the appropriate product standard.
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TORQUE-TENSION TEST REQUIREMENTS FOR PREVAILING-TORQUE TYPE STEEL METRIC HEX NUTS AND HEX FLANGE NUTS
Mechanische Verbindungselemente – Technische Lieferbedingungen – Oberflächenfehler an Schrauben
Mechanical properties of fasteners – Bolts, screws and studs (ISO 898-1 : 1988) English version of DIN EN 20 898 Part 1
Sechskantschrauben mit Flansch – schwere Reihe – Deutsche Fassung EN 1665 : 1997
Spring-type straight pins — Slotted, heavy duty