Fastener standard reference
DIN 933
Hex Head Screw — Fully Threaded
withdrawn1987-09
M1.6 to M52, hexagon head screws threaded up to the head, product grades A and B.
DIN 933 dimensional reference
Hex Head Screw — Fully Threaded
How to use this page
Standard identity before product choice.
- Standard
- DIN 933
- Edition
- 1987-09
- Category
- bolt
- Data shown
- Dimensions available
This page does not claim that related standards are interchangeable. Confirm the exact execution standard, product dimensions, material and finish in the quotation.
Controlled dimensional reference
Recorded dimensions
| Thread size | Pitch (mm) | Across flats s (mm) | Across corners e (mm) | Head height k (mm) |
|---|---|---|---|---|
| M1.6 | 0.35 | 3.2 | 3.41 | 1.1 |
| M2 | 0.4 | 4 | 4.32 | 1.4 |
| M2.5 | 0.45 | 5 | 5.45 | 1.7 |
| M3 | 0.5 | 5.5 | 6.01 | 2 |
| M3.5 | 0.6 | 6 | 6.58 | 2.4 |
| M4 | 0.7 | 7 | 7.66 | 2.8 |
| M5 | 0.8 | 8 | 8.79 | 3.5 |
| M6 | 1 | 10 | 11.05 | 4 |
| M7 | 1 | 11 | 12.12 | 4.8 |
| M8 | 1.25 | 13 | 14.38 | 5.3 |
| M10 | 1.5 | 17 | 18.9 | 6.4 |
| M12 | 1.75 | 19 | 21.1 | 7.5 |
| M14 | 2 | 22 | 24.49 | 8.8 |
| M16 | 2 | 24 | 26.75 | 10 |
| M18 | 2.5 | 27 | 30.14 | 11.5 |
| M20 | 2.5 | 30 | 33.53 | 12.5 |
| M22 | 2.5 | 32 | 35.72 | 14 |
| M24 | 3 | 36 | 39.98 | 15 |
| M27 | 3 | 41 | 45.2 | 17 |
| M30 | 3.5 | 46 | 50.85 | 18.7 |
| M33 | 3.5 | 50 | 55.37 | 21 |
| M36 | 4 | 55 | 60.79 | 22.5 |
| M39 | 4 | 60 | 66.44 | 25 |
| M42 | 4.5 | 65 | 71.3 | 26 |
| M45 | 4.5 | 70 | 76.95 | 28 |
| M48 | 5 | 75 | 82.6 | 30 |
| M52 | 5 | 80 | 88.25 | 33 |
Use these rows as a selection reference. The supplier quotation remains the confirmation of the actual supply range.
Linked catalog
Products using DIN 933
Quote against the correct standard