DINCurrentDraft · single source

DIN 609

Hexagon fit bolts with long thread

National equivalents

CSN 021111 · PN 82342

Head · drive: Hexagon head · External hexagon (spanner)
Thread: Metric ISO coarse thread, partial
Tolerance: 6g
Property classes: 8.810.9
Materials: Steel

Dimensions

mm · values as the standard states them

Size	P	ds	s	e	k	b50 < l ≤ 150	bl > 150	bl ≤ 50	r	kw	thread_alt
M8	1.25	9	2.73 – 13	≥ 14.38	5.3	16.5	21.5	14.5	0.4 – 0.55	≥ 3.61	M8x1
M10	1.5	11	15.73 – 16	≥ 17.77	6.4	19.5	24.5	17.5	0.4 – 0.55	≥ 47.35	M10x1
M12	1.75	13	17.57 – 18	≥ 19.85	7.5	22.5	27.5	20.5	0.6 – 0.75	≥ 5.05	M12x1,5
(M14)	2	15	20.16 – 21	≥ 22.78	8.8	24	29	22	0.6 – 0.75	≥ 5.96	(M14x1,5)
M16	2	17	23.16 – 24	≥ 26.17	10	27	32	25	0.6 – 0.75	≥ 6.8	M16x1,5
(M18)	2.5	19	26.16 – 27	≥ 29.56	11.5	29.5	34.5	27.5	0.6 – 0.75	≥ 7.81	(M18x2)
M20	2.5	21	29.16 – 30	≥ 32.95	12.5	30.5	35.5	28.5	0.8 – 0.95	≥ 8.51	M20x2
(M22)	2.5	23	33 – 34	≥ 37.29	14	34.5	39.5	32.5	0.8 – 0.95	≥ 9.65	(M22x2)
M24	3	25	35 – 36	≥ 39.55	15	36.5	41.5	—	0.8 – 0.95	≥ 10.26	M24x1,5
(M27)	3	28	40 – 41	≥ 45.2	17	39.5	44.5	—	1 – 1.15	≥ 11.66	(M27x2)
M30	3.5	32	45 – 46	≥ 50.85	19	43	48	—	1 – 1.15	≥ 13.01	M30x2
(M33)	3.5	34	49 – 50	≥ 55.37	21	45	50	—	1 – 1.15	≥ 14.41	(M33x2)
M36	4	38	53.8 – 55	≥ 60.79	22	49	54	—	1 – 1.15	≥ 15.11	M36x3
(M39)	4	40	58.8 – 60	≥ 66.44	25	51	56	—	1 – 1.15	≥ 17.21	(M39x3)
M42	4.5	44	63.1 – 65	≥ 71.3	26	56	61	—	1 – 1.15	≥ 17.91	M42x3
(M45)	4.5	46	68.1 – 70	≥ 76.95	28	59	64	—	1 – 1.15	≥ 19.31	(M45x3
M48	5	50	73.1 – 75	≥ 82.6	30	63	68	—	1 – 1.15	≥ 20.71	M48x3
(M52)	5	55	78.1 – 80	≥ 88.25	33	65	70	—	1 – 1.15	≥ 22.75	(M52x3)

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

2524.58 – 25.42

2827.58 – 28.42

3029.58 – 30.42

3231.5 – 32.5

3534.5 – 35.5

3837.5 – 38.5

4039.5 – 40.5

4241.5 – 42.5

4544.5 – 45.5

4847.5 – 48.5

5049.5 – 50.5

5554.4 – 55.6

6059.4 – 60.6

6564.4 – 65.6

7069.4 – 70.6

7574.4 – 75.6

8079.4 – 80.6

8584.3 – 85.7

9089.3 – 90.7

9594.3 – 95.7

10099.3 – 100.7

Size sheet · DIN 609

M10

ds: shank diameter; 11
s: width across flats; 15.73 – 16
e: width across corners; ≥ 17.77
k: head height; 6.4
b: thread length (50 < l ≤ 150); 19.5
b: thread length (l > 150); 24.5
b: thread length (l ≤ 50); 17.5
r: fillet radius; 0.4 – 0.55
kw: ≥ 47.35
thread_alt: alternative / fine thread; M10x1

Thread · ISO 261/262

Pitch P: 1.5
d2: 9.026
d3: 8.16
Tap drill: 8.5
Stress area A_s: 57.99 mm²

Standard lengths

30 · 32 · 35 · 38 · 40 · 42 · 45 · 48 · 50 · 55 · 60 · 65 · 70 · 75 · 80 · 85 · 90 · 95 · 100

Provenance

Draft — values taken from a single source and not yet cross-checked.

fasteners.eudimensions, lengths, materials, property classes, current norm, equivalent norms

Accessed 2026-09-23 · For design and safety-critical use, consult the current edition of the standard.

Data notes (1)

54 value(s) omitted after consistency checks: M8 ds: min 9.01 > max 9.001 in source — min/max omitted; M8 dg: min 8.2 > max 7.9 in source — min/max omitted; M8 k: min 5.45 > max 5.15 in source — min/max omitted; M10 ds: min 11.012 > max 11.001 in source — min/max omitted; M10 dg: min 10.2 > max 9.9 in source — min/max omitted; M10 k: min 6.58 > max 6.22 in source — min/max omitted; M12 ds: min 13.012 > max 13.001 in source — min/max omitted; M12 dg: min 11.8 > max 11.5 in source — min/max omitted; M12 k: min 7.79 > max 7.21 in source — min/max omitted; M14 ds: min 15.012 > max 15.001 in source — min/max omitted; M14 dg: min 13.8 > max 13.5 in source — min/max omitted; M14 k: min 9.09 > max 8.51 in source — min/max omitted …

Same product type

DIN 610 — Hexagon fit bolts with short thread All 2 standards of this type →

Dimensions

Length tolerances

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