DIN 261 - T-head bolts

Current norm: DIN 261
Equivalent norms: PN 82424;

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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 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
Almaproin, S.A.	Madrid	Spain
Proboat Ltd	Burnham On Crouch	United Kingdom
KVT-Fastening AG	Dietikon	Switzerland

Legend:

b - length of the thread (at least)
l - length of bolt
d - the nominal diameter of the thread
k - head height
m - head width
r - radius
ds - diameter of the screw shank
n - head thickness
u - thread run
n - thickness of the mounting collar
lg - length of the shank to thread
ls - length of the shank to the start of the thread
db - nominal diameter of the internal thread
t - the length of the internal thread

Makings:

Steel: 4.6, 8.8, 10.9
Stainless: -
Plastic: -
Non Ferrous: -
Thread: 6g

Notes:
-

Table according to DIN 261:

dimensions in mm

Thread d		M8	M10	M12	M16	M20	M24	M30	M36	M42	M48	M56	M64	M72x6	M80x6	M90x6	M100x6
P		1,25	1,5	1,75	2	2,5	3	3,5	4	4,5	5	5,5	6	6	6	6	6
b	l to 120mm	22	26	30	38	46	54	66	78	90	-	-	-	-	-	-	-
	l from 120 to 200mm	-	-	-	44	52	60	72	84	96	108	124	130	-	-	-	-
	l over 200mm	-	-	-	-	-	-	-	-	109	121	137	143	169	185	205	225
db	-	-	-	-	-	-	-	-	M12	M12	M12	M16	M16	M16	M20	M20	M20
ds	max.	8,58	10,58	12,7	16,7	20,84	24,84	30,84	37	34	38	45	50	55	65	70	80
ds	min.	7,42	9,42	11,3	15,3	19,16	23,16	29,16	35	33	37	44	49	53,8	63,8	68,8	78,8
k	Nominal size	5,5	7	8	10,5	13	15	19	23	26	30	35	40	45	50	55	62
	max.	5,9	7,5	8,75	11,4	13,9	15,9	20	24	27	31	36,25	41,25	46,25	51,25	56,5	63,5
	min.	5,1	6,5	7,25	9,6	12,1	14,1	18	22	25	29	33,75	38,75	43,75	48,75	53,5	60,5
n	Nominal size	8	10	12	16	20	24	30	36	42	48	56	64	72	80	90	100
	max.	8,75	10,75	12,9	16,9	21	25	31	37,25	43,25	49,25	57,5	65,5	73,5	81,5	91,75	101,75
	min.	7,25	9,25	11,1	15,1	19	23	29	34,75	40,75	46,75	54,5	62,5	70,5	78,5	88,25	98,25
m	Nominal size	18	21	26	30	36	43	54	66	80	88	102	115	128	140	155	170
	max.	18,9	22	27	31	37,25	44,25	55,5	67,5	81,5	89,75	103,75	116,75	130	142	157	172
	min.	17,1	20	25	29	35,75	41,75	52,5	64,5	78,5	86,25	100,25	113,25	126	138	153	168
r	approx.	0,5	0,5	1	1	1	1,6	1,6	2	2	2	3	3	4	4	4	5
t	min.	-	-	-	-	-	-	-	22	22	22	26	26	26	33	33	33

Tab 2.

l			M8		M10		M12		M16		M20		M24		M30		M36		M42		M48		M56		M64		M72x6		M80x6		M90x6		M100x6
Nominal size	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.	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.	ls min.	lg max.	ls min.	lg max.
30	28,95	31,05	-	8	-	9
(35)	33,75	36,25	6,75	13	-	9
40	38,75	41,25	11,75	18	6,5	14
(45)	43,75	46,25	16,75	23	11,5	19	6,25	15
50	48,75	41,25	21,75	28	16,5	24	11,25	20	-	5
(55)	53,5	56,5	26,75	33	21,5	29	16,25	25	7	17
60	58,5	61,5	31,75	38	26,5	34	21,25	30	12	22	-	6
(65)	63,5	66,5	36,75	43	31,5	39	26,25	35	17	27	6,5	19
70	68,5	71,5	41,75	48	36,5	44	31,25	40	22	32	11,5	24	-	7,5
(75)	73,5	76,5	46,75	53	41,5	49	36,25	45	27	37	16,5	29	6	21
80	78,5	81,5	51,75	58	46,5	54	41,25	50	32	42	21,5	34	11	26
90	88,25	91,75			56,5	64	51,25	60	42	52	31,5	44	21	36	6,5	24
100	98,25	101,75			66,5	74	61,25	70	52	62	41,5	54	31	46	16,5	34
(110)	108,25	111,75					71,25	80	62	72	51,5	64	41	56	26,5	44
120	118,25	121,75					81,25	90	72	82	55,5	68	45	60	36,5	54	22	42	6,5	30
(130)	128	132							76	86	65,5	78	55	70	40,5	58	26	46	11,5	34
140	138	142							86	96	75,5	88	65	80	50,5	68	36	56	21,5	44
(150)	148	152							96	106	85,5	98	75	90	60,5	78	46	66	31,5	54	17	42
160	156	164							106	116	95,5	108	85	100	70,5	88	56	76	41,5	64	27	52
(170)	166	174									105,5	118	95	110	80,5	98	66	86	51,5	74	37	62
180	176	184									115,5	128	105	120	90,5	108	76	96	61,5	84	47	72	28,5	56
(190)	185,4	194,6									125,5	138	115	130	100,5	118	86	106	71,5	94	57	82	38,5	66
200	195,4	204,6									135,5	148	125	140	110,5	128	96	116	81,5	108	67	92	48,5	76	40	70
220	215,4	224,6																	88,5	111	74	99	55,5	83	47	77
240	235,4	244,6																	108,5	131	94	119	75,5	103	67	97
260	254,8	265,2																	128,5	151	114	139	95,5	123	87	117	61	91
280	274,8	285,2																	148,5	171	134	159	115,5	143	108	137	81	111	65	95
300	294,8	305,2																	168,5	191	154	179	135,5	163	127	157	101	131	85	115
320	314,3	325,7																	188,5	211	174	199	155,5	183	147	177	121	151	105	135	85	115
340	334,3	345,7																	208,5	231	194	219	175,5	203	167	197	141	171	121	155	105	135
360	254,3	365,7																	228,5	251	214	239	195,5	223	187	217	161	191	145	175	125	155	105	135
380	374,3	385,7																	248,5	271	234	259	215,5	243	207	237	181	211	165	195	145	175	125	155
400	394,3	405,7																	268,5	291	254	279	235,5	263	227	257	201	231	185	215	165	195	145	175

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Product	Date	Country	Detail
DIN 261 M20x150-3.6	2024-11-12 11:07:36	Germany	See Detail
DIN 261 T-HEAD BOLT	2024-09-09 21:23:32	United States	See Detail
DIN 261	2024-05-16 07:58:26	Czech Republic	See Detail
DIN 261 and DIN 794	2024-03-22 06:51:28	Spain	See Detail
t-HEAD BOLT - din 261	2024-03-18 21:25:13	United States	See Detail
DIN 261 M56x570	2024-01-26 07:06:20	Austria	See Detail
DIN 261-T head bolts	2023-07-17 18:47:03	Spain	See Detail
DIN 261	2023-06-30 08:38:42	Poland	See Detail
Anchor bolts DIN 261 M80	2023-05-18 08:17:03	Czech Republic	See Detail
DIN 261	2022-11-24 07:54:26	Germany	See Detail
DIN 261 8.8	2022-02-14 03:41:13	United States	See Detail
DIN 261 (hammer head screws)	2021-07-06 15:21:06	Germany	See Detail
Screw DIN 261	2020-02-23 18:23:57	Czech Republic	See Detail
DIN 261	2019-07-01 15:00:31	Russia	See Detail
DIN 261 8.8 M16x70	2019-04-24 13:34:32	Belgium	See Detail
A19/15719	2019-04-01 10:29:51	Spain	See Detail
DIN 603, DIN 261 and DIN 787	2019-02-05 09:08:44	Bulgaria	See Detail
TEE BOLTS DIN 261	2019-01-28 13:49:48	United Arab Emirates	See Detail
DIN 261	2018-06-18 08:47:41	Romania	See Detail
DIN 261, ISO 4017, ISO 4014	2017-10-09 08:42:29	Russia	See Detail
DIN 261	2017-09-18 13:41:01	Czech Republic	See Detail

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