CSN 021122 - Square Head Bolts with collar

Current norm: DIN 478
Equivalent norms: DIN 478; PN 82301;

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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 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
Berner Pultti Oy	KUOPIO	Finland
Berner A/S	狈酶谤谤别蝉耻苍诲产测	Denmark
HEICO Czech s.r.o.	Chomutov	Czech Republic
Chausson Mat茅riaux	MIREVAL	France

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)
c - thickness of the mounting collar
ds - diameter of the screw shank
x1 - thread run
s - head width
r - Head radius
da - the maximum diameter of the stem at the head of the screw
办麓 - minimum size of the head on the key

Makings:

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

Notes:
-

Table according to DIN 478:

dimensions in mm

Thread d			M5	M6	M8	M10	M12	M16	M20	M24
P			0,8	1	1,25	1,5	1,75	2	2,5	3
b		l<125mm	16	18	22	26	30	38	45	54
b		l>125mm	-	-	-	32	36	44	52	60
c		nominal	2	2	2	3	3	4	5	6
		min.	1,88	1,88	1,88	2,88	2,88	3,85	4,85	5,85
		max.	2,12	2,12	2,12	3,12	3,12	4,15	5,15	6,15
da		max.	5,7	6,8	9,2	11,2	13,7	17,7	22,4	26,4
dc		nominal=max.	9,5	10,5	13,5	16,5	19,5	25	31	36
dc		min.	8,92	9,8	12,8	15,8	18,66	24,16	30	35
ds		nominal=max.	5	6	8	10	12	16	20	24
ds		min.	4,82	5,82	7,78	9,78	11,73	15,73	19,67	23,67
e		nominal=max.	6,5	8	10	13	17	22	28	32
e		min.	5,92	7,42	9,42	12,3	16,3	21,16	27,16	31
k		nominal	7	8	10	13	15	20	25	28
		max.	6,82	7,82	9,82	12,78	14,78	19,74	24,74	27,74
		min.	7,18	8,18	10,18	13,22	15,22	20,26	25,26	28,26
办麓		min.	3,4	4,1	5,5	6,9	8,3	11,1	13,8	15,2
r		min.	0,25	0,25	0,4	0,4	0,6	0,6	0,8	0,9
s		nominal=max.	5	6	8	10	13	17	22	24
s		min.	4,82	5,82	7,78	9,78	12,73	16,73	21,67	23,67
x1		max.	2	2,5	3,2	3,8	4,3	5	6,3	7,5
l			weight kg/1000pcs
nominal	min.	max.	weight kg/1000pcs
10	9,71	10,29	3,19	4,57
16	1565	16,35	3,94	5,65	10,8
20	19,58	20,42	4,6	6,35	12,1	21,9
25	24,58	25,42	5,37	7,45	13,7	24,4	39,5
30	29,58	30,42	6,74	8,55	15,7	27,5	43	88
35	34,5	35,5		9,65	17,7	30,6	47,5	95	172	240
40	39,5	40,5		10,9	19,7	33,7	52	102	182	255
45	44,5	45,5			21,7	36,8	56,5	110	193	270
50	49,5	50,5				39,9	61	118	203	285
55	54,4	55,6				43	65,5	126	215	300
60	59,4	60,6				46,1	70	134	227	315
70	69,4	70,6					79	150	252	350
80	79,4	80,6					88	176	277	385
90	89,3	90,7					97	192	302	420
100	99,3	100,7						208	327	455
110	109,3	110,7						224	352	490
120	119,3	120,7						240	377	525
140	139,2	140,8						272	427	595
160	159,2	160,8							477	665
180	179,2	180,8							527	735

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