Specials & accessories
DIN 186 – Square-neck T-head bolts
DIN 186. Dimensions from the HBS technical datasheet – in stock, with EN 10204 3.1 / 3.2 certificates.
Spreek Terry · Sales Engineer
Afmetingen
DIN 186 dimension table.
Dimensions in mm
| Thread d | M6 | M8 | M10 | M12 | M16 | M20 | M24 | M30 | M36 | M42 | M48 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P | – | 1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 |
| b | l ≤ 125 | 18 | 22 | 26 | 30 | 38 | 46 | 54 | 66 | 78 | – | – |
| 125 < l ≤ 200 | – | – | – | – | 44 | 52 | 60 | 72 | 84 | 96 | 108 | |
| l > 200 | – | – | – | – | – | 65 | 73 | 85 | 97 | 109 | 121 | |
| ds | nominal | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 30 | 36 | 42 | 48 |
| max. | 6.48 | 8.58 | 10.58 | 12.7 | 16.7 | 20.84 | 24.84 | 30.84 | 37 | 43 | 49 | |
| min. | 5.52 | 7.42 | 9.42 | 11.3 | 15.3 | 19.16 | 23.16 | 29.16 | 35 | 41 | 47 | |
| e | min. | 6.88 | 9.24 | 11.81 | 14.17 | 19.32 | 24.33 | 29.48 | 37.2 | 44.57 | 52.29 | 60 |
| k | nominal | 4.5 | 5.5 | 7 | 8 | 10.5 | 13 | 15 | 19 | 23 | 26 | 30 |
| max. | 4.9 | 5.9 | 7.5 | 8.75 | 11.4 | 13.9 | 15.9 | 20 | 24 | 27 | 31 | |
| min. | 4.1 | 5.1 | 6.5 | 7.25 | 9.6 | 12.1 | 14.1 | 18 | 22 | 25 | 29 | |
| n | nominal | 6 | 8 | 10 | 12 | 16 | 20 | 24 | 30 | 36 | 42 | 48 |
| max. | 6.6 | 8.75 | 10.75 | 12.9 | 16.9 | 21 | 25 | 31 | 37.25 | 43.25 | 49.25 | |
| min. | 5.4 | 7.25 | 9.25 | 11.1 | 15.1 | 19 | 23 | 29 | 34.75 | 40.75 | 46.75 | |
| m | nominal | 16 | 18 | 21 | 26 | 30 | 36 | 43 | 54 | 66 | 80 | 88 |
| max. | 16.9 | 18.9 | 22 | 27 | 31 | 37.25 | 44.25 | 55.5 | 67.5 | 81.5 | 89.75 | |
| min. | 15.1 | 17.1 | 20 | 25 | 29 | 34.75 | 41.75 | 52.5 | 64.5 | 78.5 | 86.25 | |
| r1 | approx. | 0.5 | 0.5 | 0.5 | 1 | 1 | 1 | 1.6 | 1.6 | 2 | 2 | 2 |
| r2 | max. | 0.9 | 1.2 | 1.5 | 1.8 | 2.4 | 3 | 3.6 | 4.5 | 5.4 | 6.3 | 7.2 |
- d
- Nominal thread diameter
- b
- Thread length
- ds
- Shank diameter
- e
- Circumscribed circle diameter
- k
- Head height
- m
- Head width
- n
- Head thickness
- r1, r2
- Radius
See hbsfasteners.nl/products/engineered.
FAQ
DIN 186 – frequently asked questions.
- What is DIN 186?
- DIN 186 is the standard for square-neck t-head bolts (DIN 186). HBS Solutions supplies DIN 186 specials & accessories from stock, with EN 10204 3.1 / 3.2 certificates.
- Which sizes does DIN 186 cover?
- The HBS datasheet lists DIN 186 from M6 to M48. The full dimension table is on this page and in the free PDF datasheet.
- How do I order DIN 186 specials & accessories?
- Configure the part online or send your parts list through the quote form; HBS Solutions replies with a quotation within 24 hours. Stock items ship from 500.000+ pieces in stock in Almere, the Netherlands.
Related standards
Related standards.
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