DIN 7991 - Hexagon socket countersunk head cap screws

Current norm: DIN EN ISO 10462
Equivalent norms: ISO 10642; UNI 5933;

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Company	City	Country	Company profile
TOP Kaleliler 秘密研究所	ANKARA	Turkey	See Detail
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 Ferrobend	Mumbai	India	See Detail
TOP Hanshin Neji Co.,Ltd.	Osaka	Japan	See Detail
TOP Maruti Metal Industries	Jamnagar	India	See Detail
Peter Schr枚der GmbH	Neckarsulm	Germany

Legend:

b - length of the thread (at least)
l - length of bolt
d - the nominal diameter of the thread
k - head height
e - the diameter of the circumscribed circle (not less than)
ds - diameter of the screw shank
t - groove depth
dk - head diameter
s - size of the internal hexagon

Makings:

Steel: 8.8, 10.9, 12.9
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: 6g

Notes:
-

Table according to DIN 7991:

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
a	2掳 0	90掳											60掳
b	l?125mm	12	14	16	18	22	26	30	34	38	42	46	50	54
	125<l?200mm	-	-	-	24	28	32	36	40	44	48	52	56	60
	l>200mm	-	-	-	-	-	45	49	53	57	61	65	69	73
c	approx.	0,2	0,3	0,3	0,3	0,4	0,5	0,5	0,5	0,5	0,5	0,5	1	1
dk	nominal=max.	6	8	10	12	16	20	24	27	30	33	36	36	39
	min.	5,7	7,64	9,64	11,57	15,57	19,48	23,48	26,48	29,48	32,38	35,38	35,38	38,38
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	7,78	9,78	11,73	13,73	15,73	17,73	19,67	21,67	23,67
e	min.	2,3	2,87	3,44	4,58	5,72	6,86	9,15	11,43	11,43	13,72	13,72	16	16
k	max.	1,7	2,3	2,8	3,3	4,4	5,5	6,5	7	7,5	8	8,5	13,1	14
r	min.	0,1	0,2	0,2	0,3	0,5	0,5	1	1	1	1	1	1	1,6
s	nominal	2	2,5	3	4	5	6	8	10	10	12	12	14	14
	min.	2,02	2,52	3,02	4,02	5,02	6,02	8,025	10,025	10,025	12,032	12,032	14,032	14,032
	max.	2,1	2,6	3,1	4,12	5,14	6,14	8,175	10,175	10,175	12,212	12,212	14,212	14,212
t	nominal=max.	1,2	1,8	2,3	2,5	3,5	4,4	4,6	4,8	5,3	5,5	5,9	8,8	10,3
t	min.	0,95	1,5	2,05	2,25	3,2	4,1	4,3	4,5	5	5,2	5,6	8,44	9,87

Thread d			M3		M4		M5		M6		M8		M10		M12
l			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.
8	7,71	8,29	-	3,2	-	4,4	-	5,2	-	6,3
10	9,71	10,29	-	3,2	-	4,4	-	5,2	-	6,3	-	8,2
12	11,65	12,35	-	3,2	-	4,4	-	5,2	-	6,3	-	8,2	-	10
16	15,65	16,35	-	3,2	-	4,4	-	5,2	-	6,3	-	8,2	-	10
20	19,58	20,42	-	3,2	-	4,4	-	5,2	-	6,3	-	8,2	-	10	-	11,8
25	24,58	25,42	10,5	13	-	4,4	-	5,2	-	6,3	-	8,2	-	10	-	11,8
30	29,58	30,42	15,5	18	12,5	16	-	5,2	-	6,3	-	8,2	-	10	-	11,8
35	34,5	35,5			17,5	21	15	19	-	6,3	-	8,2	-	10	-	11,8
40	39,5	40,5			22,5	26	20	24	17	22	-	8,2	-	10	-	11,8
50	49,5	50,5					30	34	27	32	21,7	28	16,5	24	-	11,8
60	59,4	60,6									31,7	38	26,5	34	21,25	30
70	69,4	70,6											36,5	44	31,25	40

Thread d			(M14)		M16		(M18)		M20		(M22)		M24
l			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.
20	19,58	20,42
25	24,58	25,42	-	13
30	29,58	30,42	-	13	-	13,5
35	34,5	35,5	-	13	-	13,5	-	15,5	-	16
40	39,5	40,5	-	13	-	13,5	-	15,5	-	16	-	20,6
50	49,5	50,5	-	13	-	13,5	-	15,5	-	16	-	20,6	-	23
60	59,4	60,6	16	26	-	13,5	-	15,5	-	16	-	20,6	-	23
70	69,4	70,6	26	36	22	32	15,5	28	-	16	-	20,6	-	23
80	79,4	80,6	36	46	32	42	25,5	38	21,5	34	-	20,6	-	23
90	89,3	90,7			42	52	35,5	48	31,5	44	27,5	40	-	23
100	99,3	100,7					45,5	58	41,5	54	37,5	50	31	46
70	69,4	70,6											36,5	44

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Product	Date	Country	Detail
DIN 7991 M10x1x16	2024-11-26 07:30:02	Hungary	See Detail
Titan bolts	2024-11-08 14:45:07	Czech Republic	See Detail
DIN 7991 TX / ISO 10642	2024-10-14 06:19:34	Germany	See Detail
DIN 127 - A40 - A4 /// DIN 985 - M30x3.5 - A4-8 /// DIN 7991 - M12x50	2024-08-08 14:07:04	Germany	See Detail
DIN 7991 A4-80	2024-07-22 08:37:16	Spain	See Detail
stainless steel fasteners	2024-07-19 18:18:08	El Salvador	See Detail
M24 x 130 Qty- 200 Pcs Grade - 8.8 Std- DIN 7991	2024-07-16 13:53:52	India	See Detail
DIN 7991	2024-07-09 06:54:08	Latvia	See Detail
DIN 7991-A2 M3X14	2024-06-04 08:12:53	Turkey	See Detail
DIN 7991	2024-05-27 14:16:35	Burundi	See Detail
DIN 7991/ISO 10642-10.9	2024-05-08 12:00:58	United Kingdom	See Detail
DIN 7991 12.9	2024-04-21 21:04:47	Spain	See Detail
DIN 7991 ISO 10642	2024-01-24 14:17:37	France	See Detail
screws	2023-11-29 20:18:57	Germany	See Detail
screws	2023-09-29 07:20:17	Romania	See Detail
fasteners	2023-09-14 06:12:29	Sri Lanka	See Detail
screws blackened	2023-09-06 10:36:14	Czech Republic	See Detail
Hex socket flat countersunk head screws 8.8, ISO 10642 ISO 10642/DIN	2023-09-04 08:50:54	Taiwan	See Detail
screws	2023-08-10 13:14:53	Ireland	See Detail
DIN 7991 M4X10	2023-08-01 07:24:58	India	See Detail
DIN EN ISO 10642	2023-05-19 13:39:37	Spain	See Detail
titan fasteners	2023-05-05 09:59:39	Czech Republic	See Detail
DIN 7991 - Hexagon socket countersunk head cap screws	2023-05-04 08:10:06	India	See Detail
DIN 7991	2023-05-03 14:11:12	Czech Republic	See Detail
DIN 7991 12.9	2023-02-09 09:59:20	Portugal	See Detail
秘密研究所	2023-01-27 12:10:31	India	See Detail
DIN 7991 M5x20/100掳	2023-01-24 23:43:14	United States	See Detail
screw DIN 7991 and pin DIN 1481	2022-11-04 04:26:13	India	See Detail
DIN 7991-A4 M3X4	2022-10-20 12:43:00	Israel	See Detail
DIN 7991 8.8	2022-10-19 10:12:25	Hungary	See Detail
DIN 7991 10.9 Torx	2022-10-18 16:47:59	Germany	See Detail
DIN 7991 Screws from M2 to M4 and DIn 912 from M2 to M6 on A4-80	2022-10-11 10:25:01	Italy	See Detail
bolts	2022-10-04 06:22:41	United Arab Emirates	See Detail
DIN 7991 M20x100 A4 鈥� 80	2022-09-13 13:21:33	Czech Republic	See Detail
DIN 7991	2022-09-12 07:50:38	Lithuania	See Detail
M8 x 80mm 8.8 Din 7991	2022-08-30 10:42:00	United Kingdom	See Detail
DIN 7991 / ISO 10462 quality 10.9	2022-08-27 22:36:28	Netherlands	See Detail
DIN 7991	2022-07-04 20:49:54	Mexico	See Detail
M12x30 DIN 7991 10.9	2022-07-04 11:26:42	Belgium	See Detail
din 7991	2022-06-28 17:40:05	Saudi Arabia	See Detail
DIN 7991	2022-06-01 14:14:48	Slovakia	See Detail
Bolts M10/20	2022-03-08 14:59:55	Czech Republic	See Detail
DIN 912, DIN 6921, DIN 933, DIN 7991 etc	2022-02-11 15:43:33	Ukraine	See Detail
DIN 7991 Z	2022-01-06 14:32:42	Bulgaria	See Detail
DIN 7991 + TUFLOCK	2022-01-05 11:54:04	Spain	See Detail
M4x35 DIN7991- SATIN Material Availability	2021-11-10 12:24:21	Finland	See Detail
DIN 7982 F	2021-11-01 12:15:19	Netherlands	See Detail
DIN 7991 TX	2021-10-09 01:14:40	Poland	See Detail
DIN 7991 3,5 x 9,5	2021-09-16 09:46:05	Germany	See Detail
M3x10mm, 8.8 Zn, DIN 7991	2021-08-17 20:56:36	United States	See Detail
A4-80 Metric DIN 7991 Flat Countersunk Head Hexagon Socket	2021-08-16 11:46:53	Taiwan	See Detail
DIN 7991	2021-08-06 15:23:59	United States	See Detail
DIN 7991 - M10 x 25, Steel: 10.9, Black	2021-08-06 01:21:09	Romania	See Detail
Screw M4脳8, DIN 7991, countersunk head, TX15	2021-07-14 19:13:07	Slovenia	See Detail
DIN 7991 A4-80	2021-04-27 16:59:13	Spain	See Detail
M12 x 1.50 x 20mm DIN 7991 Stainless Steel	2021-04-22 22:48:12	Spain	See Detail
M12X70 DIN 7991 12.9	2021-04-13 08:27:18	Italy	See Detail
DIN 7991 A2 full thread	2021-04-06 16:48:50	United States	See Detail
M24x50 DIN 7991	2021-04-06 12:52:22	Czech Republic	See Detail
DIN 7991 M12x35 1.4547	2021-01-08 10:30:43	France	See Detail
M4x65 DIN 7991	2020-12-01 05:02:24	Israel	See Detail
DIN 7991 10.9 Torx 10 x 25 zn	2020-10-27 12:00:27	Germany	See Detail
fasteners	2020-10-27 05:16:41	Singapore	See Detail
DIN 7991 A2 M14x60	2020-10-26 14:22:17	Croatia	See Detail
M12 X 40MM DIN 7991 10.9	2020-10-21 15:04:52	Portugal	See Detail
DIN 7991 M24x35 A2 60 000pcs	2020-10-16 10:46:07	Poland	See Detail
DIN 7991 M10 & M12 A2	2020-10-14 10:39:14	Israel	See Detail
DIN 7991	2020-10-12 15:43:12	Czech Republic	See Detail
DIN 7991 10.9 TORX	2020-09-05 07:28:37	Czech Republic	See Detail
DIN 7991	2020-08-31 19:49:00	Greece	See Detail
DIN 7991	2020-07-31 13:50:56	Tanzania	See Detail
Countersunk Bolt M20X50 DIN 7991 GR.8.8	2020-03-11 10:47:27	Spain	See Detail
M18x35 bolts wirh cone head DIN 7991	2020-03-05 11:06:21	Estonia	See Detail
stainless steel fasteners	2020-02-24 15:42:54	Poland	See Detail
M4 x40 DIN 7991	2020-01-27 14:32:34	United Kingdom	See Detail
DIN 7991	2020-01-13 20:55:43	United States	See Detail
DIN 7991 if possible 10.9 or higher ZN M10x45 TX50	2019-11-19 14:43:47	Germany	See Detail
DIN 7991 Torx	2019-10-01 12:14:05	Germany	See Detail
din 7991, iso 10642	2019-09-11 10:28:26	Russia	See Detail
DIN 7991 10.9 M4x12	2019-08-28 08:26:58	Hungary	See Detail
DIN 7991 A4	2019-08-27 14:29:09	Hungary	See Detail
M16x190 or M16x200 Countersunk DIN 7991	2019-07-02 11:41:17	Azerbaijan	See Detail
DIN 7991 A4-70	2019-05-30 14:45:06	Greece	See Detail
DIN 7991 10.9 TX20 M4x8	2019-05-24 09:50:53	Germany	See Detail
AISI 316 fasteners	2019-05-24 08:28:30	Vietnam	See Detail
DIN 7991 TX A4	2019-05-14 11:41:48	Nigeria	See Detail
DIN 7991 M20x60	2019-05-07 05:15:34	Thailand	See Detail
DIN 7991 A2 M3X14	2019-05-06 14:41:11	Turkey	See Detail
DIN 933 and DIN 7991 screws	2019-03-26 11:26:54	Czech Republic	See Detail
DIN 7991	2019-03-12 07:06:40	Czech Republic	See Detail
DIN 7991 A4-80	2019-03-04 16:04:48	United Arab Emirates	See Detail
Very Hurry - DIN 7991; UNI 5933	2019-01-30 14:22:55	Czech Republic	See Detail
DIN 7991 M10X60	2018-10-30 13:01:12	India	See Detail
Material Uranus B6 and Material A4-70 (also incl 3.1 certificates)	2018-09-12 17:11:40	Belgium	See Detail
DIN 7991	2018-07-18 16:55:34	Jordan	See Detail
秘密研究所 for Project Alucor Dubai	2018-07-10 11:04:11	United Arab Emirates	See Detail
M6x40 DIN 7991	2018-06-28 01:22:28	United States	See Detail
DIN 7991	2018-06-04 15:07:41	Czech Republic	See Detail
DIN 7991	2018-05-17 13:05:22	India	See Detail
Bolt DIN 7991	2018-05-10 06:43:17	Czech Republic	See Detail
DIN 7991 10.9 M12X1.5X50 2000pcs	2018-04-10 08:57:55	South Africa	See Detail
DIN 7991	2018-03-22 07:08:27	Czech Republic	See Detail
Request for offer/quotation DIN 7991	2018-03-08 09:50:45	Spain	See Detail
Bolts according DIN 7991	2018-02-22 08:28:56	Sweden	See Detail
M12 x 30 Din 7991 TX50 Torx drive 8.8	2017-12-07 14:35:16	United Kingdom	See Detail
DIN 912, DIN 7991	2017-10-06 13:16:06	United States	See Detail
秘密研究所	2017-07-17 09:31:11	Estonia	See Detail

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