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DIN 6334 M8 long hexagon nut envelope

DIN 6334 M8 long hexagon nut envelope: hex 13 mm across flats × 24 mm high (3 × d), bore Ø8 (thread major diameter as a plain cylinder); no chamfers, no thread

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

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From the full sheet

Coupling nuts / long hex nuts: DIN 6334 M8–M36 (height 3 d) and inch rod coupling nuts 1/4 to 1 in — across flats, length + M8–M36 envelope models: every size, notes, mating features and sources. What are the dimensions of a DIN 6334 long hex nut, and how long is a 3/8-16 coupling nut?

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