DIN 931 Hex Bolt (Partially Threaded)

Partially threaded hex bolt with a shank that carries shear.

In DIN 931 / ISO 4014 bolts the thread covers only a defined portion of the end; the plain shank carries shear at the joint surface. Thread length is set by b = 2d + 6 mm (L ≤ 125 mm).

Usage and selection tips

The values in the dimension table are nominal ISO/DIN sizes; manufacturing tolerances are given on the relevant page of the standard. For stock status, special lengths and coatings, use the sample request form or talk to our sales team.

Dimension table (ISO)

Thread length b (L ≤ 125) – M1026 mm
Thread length b – M1230 mm
Thread length b – M1638 mm
Thread length b – M2046 mm
Across flats s – M12 / M16 / M2018 / 24 / 30 mm

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