DIN 7984 - Hexagon socket thin head cap screws

Current norm: DIN 7984
Equivalent norms: UNI 9327;

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Company	City	Country	Company profile
TOP LUSAVOUGA - Hardware and Tools	Cacia	Portugal	See Detail
TOP Lectoe Engineering 秘密研究所 Ltd	Wolverhampton	United Kingdom	See Detail
TOP Jiaxing Haina Fastener Co.,Limited	JIAXING	China	See Detail
TOP Non Standard Socket Screw Ltd	Brimingham	United Kingdom	See Detail
TOP Shanghai Tengri Metal Products Co., Ltd	Shanghai	China	See Detail
TOP Hanshin Neji Co.,Ltd.	Osaka	Japan	See Detail
TOP Maruti Metal Industries	Jamnagar	India	See Detail
C B Stainless 秘密研究所	Warminster	United Kingdom
Bufab Finland Oy	VANTAA	Finland
Brat-Met Janik Sp.j.	Radom	Poland

Legend:

d1 - the nominal diameter of the thread
b - length of the thread (at least)
k - head height
d2 - head diameter
t - groove depth
L - length of bolt
s - size of the internal hexagon

Makings:

Steel: 8.8, 10.9
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: 6g

Notes:
-

Table according to DIN 7984:

dimensions in mm

Thread d		M3	M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20	(M22)	M24
P		0,5	0,7	0,8	1	1,25	1,5	1,75	2	2	2,5	2,5	2,5	3
b	l?125mm	12	14	16	18	22	26	30	34	38	42	46	50	54
	125>l?200mm	-	-	-	-	28	32	36	40	44	48	52	56	60
	l>200mm	-	-	-	-	-	-	-	-	57	61	65	69	73
dk	nominal=max.	5,5	7	8,5	10	13	16	18	21	24	27	30	33	36
dk	min.	5,32	6,78	8,28	9,78	12,73	15,73	17,73	20,67	23,67	26,67	29,67	32,61	35,61
da	max.	3,6	4,7	5,7	6,8	9,2	11,2	13,7	15,7	17,7	20,2	22,4	24,4	26,4
ds	nominal=max.	3	4	5	6	8	10	12	14	16	18	20	22	24
ds	min.	2,86	3,82	4,82	5,82	7,7	9,78	11,73	13,73	15,73	17,73	19,67	21,67	23,67
dw	min.	4,84	6,2	7,7	9,2	12,03	15,03	17,03	19,83	22,83	25,83	28,83	31,61	34,61
e	min.	2,3	2,87	3,44	4,58	5,72	8,01	9,15	11,43	13,72	13,72	16	16	19,44
f	max.	0,51	0,6	0,6	0,68	1,02	1,02	1,87	1,87	1,87	1,87	2,04	2,04	2,04
k	nominal=max.	2	2,8	3,5	4	5	6	7	8	9	10	11	12	13
k	min.	1,86	2,66	3,32	3,82	4,82	5,82	6,78	7,78	8,78	9,78	10,73	11,73	12,73
r	min.	0,1	0,2	0,2	0,25	0,4	0,4	0,6	0,6	0,6	0,6	0,8	0,8	0,8
s	nominal	2	2,5	3	4	5	7	8	10	12	12	14	14	17
	min.	2,02	2,52	3,02	4,02	5,02	7,025	8,025	10,025	12,032	12,032	14,032	14,032	17,05
	max.	2,1	2,6	3,1	4,12	5,14	7,175	8,175	10,175	12,212	12,212	14,212	14,212	17,23
t	nominal	1,5	2,3	2,7	3	3,8	4,5	5	5,3	5,5	6,5	7,5	8	8
	min.	1,38	2,18	2,58	2,88	3,62	4,35	4,85	5,15	5,35	6,32	7,32	7,82	7,82
	max.	1,62	2,42	2,82	3,12	3,95	4,65	5,15	5,45	5,65	6,68	7,68	8,18	8,18
v	max.	0,3	0,4	0,5	0,6	0,8	1	1,2	1,4	1,6	1,8	2	2,2	2,4

Thread d			M3		M4		M5		M6		M8		M10
l			Shank lengths ls and lg
nominal	min.	max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.
5	4,76	5,24	-	1,5
6	5,76	6,24	-	1,5	-	2,1
8	7,71	8,29	-	1,5	-	2,1	-	2,4
10	9,71	10,29	-	1,5	-	2,1	-	2,4	-	3
12	11,65	12,35	-	1,5	-	2,1	-	2,4	-	3	-	3,75
(14)	13,65	14,35	-	1,5	-	2,1	-	2,4	-	3	-	3,75
16	15,65	16,35	-	1,5	-	2,1	-	2,4	-	3	-	3,75	-	4,5
(18)	17,65	18,35	-	1,5	-	2,1	-	2,4	-	3	-	3,75	-	4,5
20	19,58	20,42	5,5	8	-	2,1	-	2,4	-	3	-	3,75	-	4,5
25	24,58	25,42			7,5	11	-	2,4	-	3	-	3,75	-	4,5
30	29,58	30,42					10	14	7	12	-	3,75	-	4,5
35	34,5	35,5							12	17	6,75	13	-	4,5
40	39,5	40,5							17	22	11,75	18	6,5	14
45	44,5	45,5									16,75	23	11,5	19
50	49,5	50,5									21,75	28	16,5	24
(55)	54,4	55,6									26,75	33	21,5	29
60	59,4	60,6									31,75	38	26,5	34
70	69,4	70,6											36,5	44

Thread d			M12		(M14)		M16		(M18)		M20		(M22)		M24
l			Shank lengths ls and lg
nominal	min.	max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.	ls min.	lg max.
20	19,58	20,42	-	5,25
25	24,58	25,42	-	5,25
30	29,58	30,42	-	5,25	-	6	-	6
35	34,5	35,5	-	5,25	-	6	-	6
40	39,5	40,5	-	5,25	-	6	-	6	-	7,5	-	7,5
45	44,5	45,5	-	5,25	-	6	-	6	-	7,5	-	7,5
50	49,5	50,5	11,25	20	-	6	-	6	-	7,5	-	7,5	-	7,5	-	9
(55)	54,4	55,6	16,25	25	11	21	-	6	-	7,5	-	7,5	-	7,5	-	9
60	59,4	60,6	21,25	30	16	26	12	22	-	7,5	-	7,5	-	7,5	-	9
70	69,4	70,6	31,25	40	26	36	22	32	15,5	28	11,5	24	-	7,5	-	9
80	79,4	80,6	41,25	50	36	46	32	42	25,5	38	21,5	34	17,5	30	-	9
90	89,3	90,7							35,5	48	31,5	44	27,5	40	21	36
100	99,3	100,7							45,5	58	41,5	54	37,5	50	31	46
45	44,5	45,5									16,75	23	11,5	19
50	49,5	50,5									21,75	28	16,5	24
(55)	54,4	55,6									26,75	33	21,5	29
60	59,4	60,6									31,75	38	26,5	34
70	69,4	70,6											36,5	44

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Product	Date	Country	Detail
DIN 7984 m8x18 10.9	2025-10-03 14:12:54	Lithuania	See Detail
A2/A4 black bolts	2025-09-10 16:39:16	Lithuania	See Detail
DIN 7984 TX- cylinder head screw with Torx, low head, M3 x 6, 10.9	2025-08-20 09:51:20	Switzerland	See Detail
fasteners	2025-04-23 21:21:49	United States	See Detail
fasteners	2025-04-20 13:48:56	Saudi Arabia	See Detail
fastenres	2025-04-01 09:34:36	India	See Detail
fasteners	2024-06-10 12:12:50	Romania	See Detail
DIN 7984 M4x14	2024-04-26 12:50:32	Ireland	See Detail
DIN 7984, M 5x30 black, zinc	2024-02-15 08:37:39	Bulgaria	See Detail
秘密研究所	2024-01-24 10:47:39	Croatia	See Detail
screws	2023-11-29 20:18:57	Germany	See Detail
ISO 7046	2023-11-15 23:57:36	South Korea	See Detail
fasteners	2023-10-27 11:25:34	Romania	See Detail
DIN 7984	2023-08-30 13:02:03	Panama	See Detail
Din 7984	2023-08-05 08:05:16	Thailand	See Detail
ISO 898/1 - DIN 7984 - M16 - AISI 316	2023-02-11 12:18:47	Paraguay	See Detail
DIN 7984	2023-01-16 09:40:12	India	See Detail
fasteners	2022-10-31 21:35:34	Israel	See Detail
bolts	2022-10-04 06:22:41	United Arab Emirates	See Detail
M3x8, DIN 7984	2022-10-02 23:24:37	United States	See Detail
DIN 7984	2022-09-29 11:42:18	Hungary	See Detail
DIN 7984 M6x10 A4	2022-09-22 16:09:37	Norway	See Detail
DIN 7984-M4X10-8.8	2022-06-24 16:44:11	Turkey	See Detail
DIN 7984 A4 M5X10	2022-04-19 10:27:31	Spain	See Detail
DIN 7984 - Hexagon socket thin head cap screws M8 x 45	2022-04-12 01:39:52	Australia	See Detail
DIN 7984 TX or ISO 14580 8.8 black M3x6 or M3x10	2022-03-22 12:02:40	Poland	See Detail
DIN 7984 A4-70	2022-03-16 05:22:40	Indonesia	See Detail
DIN 7984 M5X10 SX, B2C	2022-01-21 04:20:35	Singapore	See Detail
DIN 7984	2021-12-28 11:34:41	Israel	See Detail
DIN 7984 M8x45 full thread	2021-10-26 16:08:33	Poland	See Detail
DIN 7984	2021-06-18 16:16:22	Denmark	See Detail
fasteners	2021-06-08 10:07:02	Indonesia	See Detail
DIN 7984 TX	2021-05-14 13:12:56	Spain	See Detail
DIN 7984 M14x45	2021-04-30 11:16:25	Germany	See Detail
bolts	2021-04-16 11:33:52	Germany	See Detail
M5x18 DIN 7984 10.9	2021-04-07 13:05:13	Iceland	See Detail
DIN 7984 -M3x10-12.9	2021-03-09 17:14:06	Spain	See Detail
M8x20 DIN 7984	2020-11-11 10:45:55	Bulgaria	See Detail
fasteners	2020-10-29 09:06:41	Armenia	See Detail
bolts	2020-10-19 14:07:13	Czech Republic	See Detail
M3x6 - DIN 7984	2020-10-19 05:05:40	Australia	See Detail
Stainless steel fasteners	2020-09-16 08:03:46	Philippines	See Detail
DIN 7984 M4X25	2020-09-08 12:46:17	United Arab Emirates	See Detail
DIN 7984	2020-07-09 18:39:01	Portugal	See Detail
DIN 7984 M3x25	2020-05-21 14:46:39	Singapore	See Detail
DIN 7984	2020-04-08 15:08:53	United Kingdom	See Detail
DIN 7984 TX	2019-11-20 14:02:54	Austria	See Detail
DIN 7984-10.9	2019-09-17 10:32:12	Estonia	See Detail
DIN 7984-10.9	2019-03-21 08:57:43	Germany	See Detail
Stainless steel fasteners	2019-01-08 12:13:22	Russia	See Detail
DIN 6912 or DIN 7984 - GRADE 10.9 MINIMUM	2018-12-05 12:12:46	United Kingdom	See Detail
DIN 6912 or DIN 7984 M20 bolts	2018-10-15 09:14:36	Croatia	See Detail
DIN 7984	2018-06-14 08:45:36	Czech Republic	See Detail
DIN 7984 stainless steel A2	2018-02-08 08:56:22	Greece	See Detail
DIN 7984 10.9 TX - 800pcs	2017-09-22 12:09:01	Germany	See Detail

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