DINCurrentDraft · single source
DIN 608
Flat countersunk square neck bolts (short square)
National equivalents
CSN 021326 · PN 82402 · UNI 5735
- Head · drive
- Countersunk (flat) head · No drive
- Thread
- Metric ISO coarse thread
- Tolerance
- 8g
- Property classes
- 3.64.6
- Materials
- Steel
Dimensions
mm · values as the standard states them| Size | P | ds | dk | b | r | f | v |
|---|---|---|---|---|---|---|---|
| M10 | 1.5 | 9.42 – 10 | 18.35 – 19.65 | 26 | ≤ 1.5 | 7.55 – 8.45 | 9.42 – 10.58 |
| M12 | 1.75 | 11.3 – 12 | 23.35 – 24.65 | 30 | ≤ 1.8 | 9.95 – 11.05 | 11.3 – 12.7 |
Ranges read min – max; ≤ / ≥ where the standard gives one limit, ≈ for approximate values. Sizes in (brackets) are non-preferred. Select a row for its size sheet.
Length tolerances
2523.95 – 26.05
3028.95 – 31.05
3533.75 – 36.25
4038.75 – 41.25
4543.75 – 46.25
5048.75 – 51.25