DIN 603 Square Neck CL4.8 M5 TO M20 Round Head Carriage Bolt

Brand Name:QBH

Certification:ISO9001

Model Number:DIN603

Minimum Order Quantity:900kg

Delivery Time:30days

Payment Terms:L/C, T/T,OA

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Jiaxing City Qunbang Hardware Co., Ltd

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Location: Jiaxing Zhejiang China

Address: No.375,Tongle Road,Jiaxing City,Zhejiang Province,China

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Product Details

DIN 603 - Mushroom head square neck bolts

Current norm: DIN 603
Equivalent norms: ISO 8677; CSN 021319; PN 82406; UNI 5731;

Legend:

b - length of the thread (at least)
l - length of bolt
d - the nominal diameter of the thread
k - head height
ds - diameter of the screw shank
dk - head diameter
f - height squared
v - width of the square
r1 - Head radius
lg - length of the shank to thread
ls - length of the shank to the start of the thread

Makings:

Steel: 4.8,5.8,8.8
Stainless: A2, A4
Thread: 6g

Notes:

Table according to DIN 603:

dimensions in mm

Thread d		M5	M6	M8	M10	M12	M16	M20
P		0,8	1	1,25	1,5	1,75	2	2,5
b	l < 125mm	16	18	22	26	30	38	46
	125 < l < 200mm	22	24	28	32	36	44	52
	l > 200mm	-	-	41	45	49	57	65
dk	max.	13,55	16,55	20,65	24,65	30,65	38,8	46,8
dk	min.	12,45	15,45	19,35	23,35	29,35	37,2	45,2
ds	max.	5	6	8	10	12	16	20
ds	min.	4,52	5,52	7,42	9,42	11,3	15,3	19,16
f	max.	4,1	4,6	5,6	6,6	8,75	12,9	15,9
f	min.	2,9	3,4	4,4	5,4	7,25	11,1	14,1
k	max.	3,3	3,88	4,88	5,38	6,95	8,95	11,05
k	min.	2,7	3,12	4,12	4,62	6,05	8,05	9,95
r1	approx.	10,7	12,6	16	19,2	24,1	29,3	33,9
r2	max.	0,5	0,5	0,5	0,5	1	1	1
r3	max.	0,75	0,9	1,2	1,5	1,8	2,4	3
v	max.	5,48	6,48	8,58	10,58	12,7	16,7	20,84
v	min.	4,52	5,52	7,42	9,42	11,3	15,3	19,16

Dimensions

Nom. Dia. (d)		M6	M8	M10	M12	M16	M20
Thread Pitch		1	1.25	1.5	1.75	2	2.5
Thread Length (b)	L < 125mm	18	22	26	30	38	46
	125-200mm	24	28	32	36	44	52
	L > 200mm	-	41	45	49	57	65
dk	Max.	16.55	20.65	24.65	30.65	38.8	46.8
f	Max.	4.6	5.6	6.6	8.75	12.9	15.9
k	Max.	3.88	4.88	5.38	6.95	8.95	11.05
v	Max.	6.48	8.58	10.58	12.7	16.7	20.84
L		WEIGHT IN KG/1000 PCS
16		6.90
20		7.60	13.80	22.70
25		8.50	15.40	25.20
30		9.60	17.00	27.70	45.70
35		10.70	19.00	30.20	49.40
40		11.80	21.00	32.70	53.10
45		12.90	23.00	35.80	56.80
50		14.00	25.00	38.90	61.20	119.00
55		15.10	26.90	42.00	65.60	126.00
60		16.20	28.90	45.10	70.00	133.00
65		17.30	30.90	48.20	74.40	141.00
70		18.40	32.90	51.30	78.80	149.00	247.00
80		20.60	36.80	57.50	87.00	165.00	272.00
90		22.80	40.80	63.70	96.00	181.00	297.00
100		25.00	44.80	69.90	105.00	197.00	322.00
110		27.20	48.80	76.10	114.00	213.00	347.00
120		29.40	52.80	82.30	123.00	229.00	372.00
130		31.60	56.80	88.50	132.00	245.00	397.00
140		32.80	60.80	95.00	141.00	261.00	422.00
150		35.00	64.80	101.00	150.00	277.00	447.00
160				107.00	159.00	293.00	497.00
180				119.00	177.00	325.00	547.00
200				131.00	195.00	357.00	597.00

Company Profile

Jiaxing City Qunbang Hardware Co,ltd is a productiondesignsales and after-sales as one of the fasteners business,The company is located in HangjiaHu Plain,close to ShanghaiNingboZhapu ports.The geographical position is superior,the transportation is convenient,has created the natural superiority for the export.

The company mainly produces high-strength fasteners business, bolts and nuts are the main,the main standard are DIN/ANSIASME/JIS/UNI/ISO/AS/BS/GB and so on.The product massively applies in the bridgeroadthe petroleum pipeline facilitythe wind power generation and steel structure project. Carbon steel bolts mainly have 4.8、5.8、6.8、8.8、10.9、12.9,nuts mainly have 4、6、8、10,the main material of stainless steel fastener is 201304316.QBH from its establishment to he present,after ten years of development,it is equipped with perfect testing equipment,and SGS and TUV have a good cooperation,each batch of products is accompanied by a 3.1 or 3.2 certificate,further escort the quality of the company.

In 2017,we registered the trademark “QBH” in the CHINA、EU、United States,and has six fastener product patents,has obtained the Zhejiang Province science and technology small and medium-sized enterprise certificate as well as the ISO9001:2000 cerfiticate.With the continuous development and expansion of the company,as well as customer demand for product diversification,on the basis of its original production,in order to further enhance the potential for cooperation with customers,as well as to provide competitive prices.Starting in 2015,QBH has taken part in several fastener enterprises one after another,the product variety is more abundant and the price is more advantageous,and the quality can also be well controlled. QBH has always been to provide customers with efficient and convenient service and quality products,and create a pleasant trading process for customers for the mission,deeply participate in customer construction projects and make progress together with customers,this means that we need to provide better and more cost-effictive solutions,so as to help customers stand out from the competition.

QBH promises to always provide you with excellent quality,efficient service and very competitive prices.We believe that the cooperation between us is not only based on business,but also hope that we can open new markets on the basis of win-win situation.And thank all the customers in the past to give us great support and help,make us grow up gradually,at the same time also hope that in the nere future,and you can establish new business relations.