DIN 933 Hex Bolt (Fully Threaded)

Fully threaded hex bolt; the most widespread general-purpose fastener.

DIN 933 / ISO 4017 is the fully threaded hex bolt standard. It is used in machinery, automotive and general building assembly. Class 8.8 is the most preferred; 10.9 is chosen for high loads and A2-70 / A4-80 for corrosive environments.

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)

M6s = 10 · k = 4 · P = 1
M8s = 13 · k = 5,3 · P = 1,25
M10s = 16 · k = 6,4 · P = 1,5
M12s = 18 · k = 7,5 · P = 1,75
M16s = 24 · k = 10 · P = 2
M20s = 30 · k = 12,5 · P = 2,5

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Standard
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Material
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Largest thread diameter
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DIN 7991 Countersunk Socket Screw

90° countersunk socket screw that sits flush with the surface.

Standard
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