Product Categories

High Tensile Stainless Steel Bolts

[41]

Stainless Steel Shackle

[43]

Contact Now

Jiaxing City Qunbang Hardware Co., Ltd

Visit Website

City:jiaxing

Province/State:zhejiang

Country/Region:china

Contact Person:MrLance

View Contact Details

Contact Now

China DIN 603 Carbon Steel Mushroom Head Square Neck Bolts wholesale

DIN 603 Carbon Steel Mushroom Head Square Neck Bolts

Ask Latest Price

Video Channel

Brand Name :QBH

Model Number :DIN603

Certification :ISO9001

Place of Origin :CHINA

MOQ :900kg

Price :850USD/TON-1500USD/TON

Payment Terms :L/C, T/T

Supply Ability :500TON/MONTH

Delivery Time :30DAYS

Packaging Details :25KG/CTN,36CTN/PALLET or small packing

Standard :DIN603

Material :stainless steel

Size :M5-M20

Grade :A2-70 A2-80 A4-70 A4-80

Packing :Carton and pallet or according to the customer's requirement

Sample :Free Sample

Thread :machine thread

Lead time :Per on order quantity

Type :Hexagon Head

Advantage :we can manufacture according to client design,OEM / ODM / customized service provided

Oem :yes,welcome

Contact Now

Add to Cart

View Product Description

DIN 603 Carbon Steel Mushroom Head Square Neck Bolts

Specification

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:QBH

Steel: 4.6,8.8
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: 6g

Table according to DIN 603:

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

Tab2

l			M5		M6		M8		M10		M12		M16		M20
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.
16	15,1	16,9	-	8	-	10
20	18,95	21,05	-	8	-	10	-	12	-	14
25	23,95	26,05	-	8	-	10	-	12	-	14
30	28,95	31,05	-	18	-	10	-	12	-	14	-	18
35	33,75	36,25	15	19	12	17	-	12	-	14	-	18
40	38,75	41,25	20	24	17	22	11,75	18	-	14	-	18
45	43,75	46,25	25	29	22	27	16,75	23	11,5	19	-	18
50	48,75	51,25	30	34	27	32	21,75	28	16,5	24	-	18
55	53,5	56,5	35	39	32	37	26,75	33	21,5	29	16,25	25	-	23
60	58,5	61,5	40	44	37	42	31,75	38	26,5	34	21,25	30	-	23
65	63,5	66,5	45	49	42	47	36,75	43	31,5	39	26,75	35	17	27
70	68,5	71,5	50	54	47	52	41,75	48	36,5	44	31,25	40	22	32	-	28,5
80	78,5	81,5	60	64	57	62	51,75	58	46,5	54	41,25	50	32	42	21,5	34
90	88,25	91,75			67	72	61,75	68	56,5	64	51,25	60	42	52	31,5	44
100	98,25	101,75			77	82	71,75	78	66,5	74	61,25	70	52	62	41,5	54
110	108,25	111,75			87	92	81,75	88	76,5	84	71,25	80	62	72	51,5	64
120	118,25	121,75			97	102	91,75	98	86,5	94	81,25	90	72	82	61,5	74
130	128	132			101	106	95,75	102	90,5	98	85,25	94	76	86	65,5	78
140	138	142			111	116	105,75	112	108,5	108	95,25	104	86	96	75,5	8
150	148	152			121	126	115,75	122	110,5	118	105,25	114	96	106	85,5	98
160	156	164							120,5	128	115,25	124	106	116	95,5	108
180	176	184							140,5	148	135,25	144	126	136	115,5	128
200	195,4	204,6							160,5	168	155,25	164	146	156	135,5	148

Process flow

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ thread rolling ➨make heat treatment(if need) ➨ Finish ➨ Packing

Hot forging

Cutting material ➨ hot forging ➨ turning ➨ shrink diameter(half thread) ➨thread rolling ➨ make heat treatment(if need) ➨ Finish ➨ Packing

Product Grade

304 A2-70 A2-80 316 A4-70 A4-80

Materials and Chemical compstition

CHEMICAL COMPOSI(% )
Type	C	Si	Mn	P	S	Ni	Cr	Mo	Cu	Others
Type	≤	≤	≤	≤	≤	≥	≥	≥	≈
201Cu	0.08	1.00	7.5-10	0.06	0.03	4.00-6.00	14.0-17.0		2.0-3.0
201	0.15	1.00	8.50	0.06	0.03	3.50-5.50	16.0-18.0			N≤0.25
130M/202	0.15	1.00	7.5-10	0.06	0.03	4.00-6.00	17.0-19.0			N≤0.25
202	0.15	1.00	7.5-10	0.06	0.03	4.00-6.00	17.0-19.0
301	0.15	1.00	2.00	0.045	0.03	5.00-8.00	16.0-18.0
302	0.15	1.00	2.00	0.045	0.03	8.00-10.0	17.0-19.0
XM7 (302HQ)	0.08	1.00	2.00	0.045	0.03	8.50-10.5	17.0-9.00		3.0-4.0
303	0.15	1.00	2.00	0.20	≥0.15	8.00-10.0	17.0-19.0	≤0.60
303Cu	0.15	1.00	3.00	0.20	≥0.15	8.0-10.0	17.0-19.0	≤0.60	1.5-3.5
304	0.08	1.00	2.00	0.045	0.03	8.00-10.0	18.0-20.0
304H	0.08	1.00	2.00	0.045	0.03	8.0-10.0	18.0-20.0
304HC	0.08	1.00	2.00	0.045	0.03	8.00-10.0	17.0-19.0		2.0-3.0
304HCM	0.08	1.00	2.00	0.045	0.03	8.0-10.0	17.0-19.0		2.5-4.0
304L	0.03	1.00	2.00	0.045	0.03	9.0-13.0	18.0-20.0
304M	0.06	1.00	2.00	0.045	0.03	8.50-10.0	18.0-20.0
305	0.12	1.00	2.00	0.045	0.03	10.5-13.0	17.0-19.0
305J1	0.08	1.00	2.00	0.045	0.03	11.0-13.5	16.5-19.0
309S	0.08	1.00	2.00	0.045	0.03	12.0-15.0	22.0-14.0
310S	0.08	1.50	2.00	0.045	0.03	19.0-22.0	24.0-26.0
314	0.25	15.-3.0	2.00	0.040	0.03	19.0--22.0	24.0-26.0
316	0.08	1.00	2.00	0.045	0.03	10.0-14.0	16.0-18.0	2.0-3.0
316Cu	0.03	1.00	2.00	0.045	0.03	10.0-14.0	16.0-18.0	2.0-3.0	2.0-3.0
316L (12Ni)	0.03	1.00	2.00	0.045	0.03	12.0-15.0	16.0-18.0	2.0-3.0
316L (10Ni)	0.03	1.00	2.00	0.045	0.03	10.0-14.0	16.0-18.0	2.0-3.0
321	0.08	1.00	2.00	0.045	0.03	9.00-13.0	17.0-19.0			Ti≤5*C%
410	0.15		1.00		0.03		11.5-13.5
416	0.15		1.25		≥0.15		12.0-14.0
420	0.26-0.4		1.00		0.03		12.0-14.0
410L	0.30	1.00	1.00	0.040	0.03		11.5-13.5
430	0.12	0.75	1.00	0.040	0.03		16.0-18.0
430F	0.12	1.00	1.25	0.060	0.15		16.0-18.0
631(J1)	0.09	1.00	1.00	0.040	0.03	6.50-8.50	16.0-18.0			AL 0.75-1.5
2520	0.08	1.00	2.00	0.035	0.03	19.0-22.0	24.0-26.0

PACKING

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

QBH PALLET TYPE

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

The advantages of QBH

QBH brand sales to the main quality assurance.
Years of export trade management, excellent service, word-of-mouth guarantee.
By working with TUV,escort for quality.
Customization of non-standard parts can be made according to customer's requirements and drawings.
For quality customers,we can provide a certain credit period.

Product Tags: