ISO 4014 UNI 5735 Hexagon Head Half Threaded Bolts Black Oxide Quenching M8 -

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Packaging Details	Small Boxes, Plastic Bags, Bulk in Cartons,
Name	Hexagon head bolts Half threaded
Standard	GB/DIN/ASME/EN/ISO&etc.
Materials	Carbon Steel 35K
Grade	8.8
Surface treatment	Black
Size	M8-M30/According your requirements
Length	80mm-280mm/According your requirements
Brand Name	YingYan
Certification	ISO9000
Place of Origin	JIANG SU PROVINCE CHINA
Model Number	M8-M30

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Packaging Details	Small Boxes, Plastic Bags, Bulk in Cartons,	Name	Hexagon head bolts Half threaded
Standard	GB/DIN/ASME/EN/ISO&etc.	Materials	Carbon Steel 35K
Grade	8.8	Surface treatment	Black
Size	M8-M30/According your requirements	Length	80mm-280mm/According your requirements
Brand Name	YingYan	Certification	ISO9000
Place of Origin	JIANG SU PROVINCE CHINA	Model Number	M8-M30
High Light	Quenching Half Threaded Bolts ，Hexagon Head Half Threaded Bolts ，M30 Half Thread Hex Bolt

ISO 4014 UNI 5735 Hexagon Head Bolts Half Threaded Black Oxide Quenching Carbon Steel 35K M8-M30 Class 8.8

DIN931 Hexagonal Head Bolts with Partial Thread are bolts that adhere to the technical specifications set by the Deutsches Institut für Normung (DIN), the German Institute for Standardization. These bolts exhibit several key features and benefits, making them suitable for various engineering applications.

Structural Characteristics:

Head Design: The bolts feature a hexagonal head, which allows for easy installation and removal using tools such as wrenches or socket wrenches.
Thread Section: The bolts have a partial thread, meaning that only a portion of the shank is threaded. This design is suitable for applications where the bolt needs to pass through a component and be tightened with a nut on the other side.

Standardization and Specifications:

DIN931 Standard: The bolts comply with the DIN931 standard, ensuring consistency and reliability in terms of dimensions, materials, and performance.
Range of Sizes: They are available in a wide range of thread sizes from M1.6mm to M64mm and shank lengths from L12mm to L500mm, catering to diverse engineering needs.

Materials and Performance:

Material Requirements: DIN931 hexagonal head bolts are typically made from high-strength materials such as carbon steel, alloy steel, or stainless steel. These materials offer excellent mechanical properties, corrosion resistance, and durability.
Performance Grades: Depending on the material and size, the bolts have various performance grades, such as 8.8 and 10.9 for steel bolts and A2-70 and A4-70 for stainless steel bolts.

Application Areas:

DIN931 hexagonal head bolts with partial thread find applications in various industries, including machinery, automotive, shipbuilding, and construction. They are used for fastening structural components, connecting pipes, installing equipment, and other purposes, ensuring secure and reliable connections.

Advantages:

Easy Installation and Removal: The hexagonal head design facilitates efficient rotation using tools, improving work efficiency.
Flexibility: The partial thread design allows for flexibility in different connection scenarios.
Reliability and Durability: The use of high-strength materials and adherence to DIN931 standards ensures the bolts' reliability and durability, meeting the demands of various engineering applications.

Thread Size			M1.6	M2	M2.5	M3	(M3.5)	M4	M5	M6	(M7)	M8	M10	M12
d
P	Thread Pitch		0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1	1.25	1.5	1.75
b	Ref.	L≤125	9	10	11	12	13	14	16	18	20	22	26	30
		125＜L≤200	-	-	-	-	-	-	22	24	26	28	32	36
		L＞200	-	-	-	-	-	-	-	-	-	-	45	49
c	min		0.1	0.1	0.1	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15	0.15
c	max		0.25	0.25	0.25	0.4	0.4	0.4	0.5	0.5	0.5	0.6	0.6	0.6
da	max		2	2.6	3.1	3.6	4.1	4.7	5.7	6.8	7.8	9.2	11.2	13.7
ds	max=nominal size		1.6	2	2.5	3	3.5	4	5	6	7	8	10	12
	min	Grade A	1.46	1.86	2.36	2.86	3.32	3.82	4.82	5.82	6.78	7.78	9.78	11.73
	min	Grade B	-	-	-	-	-	-	-	-	-	-	-	-
dw	min	Grade A	2.4	3.2	4.1	4.6	5.1	5.9	6.9	8.9	9.8	11.6	15.6	17.4
dw	min	Grade B	-	-	-	-	-	-	-	-	-	-	-	-
e	min	Grade A	3.41	4.32	5.45	6.01	6.58	7.66	8.79	11.05	12.12	14.38	18.9	21.1
e	min	Grade B	-	-	-	-	-	-	-	-	-	-	-	-
k	Nominal Size		1.1	1.4	1.7	2	2.4	2.8	3.5	4	4.8	5.3	6.4	7.5
	Grade A	min	0.98	1.28	1.58	1.88	2.28	2.68	3.35	3.85	4.65	5.15	6.22	7.32
	Grade A	max	1.22	1.52	1.82	2.12	2.52	2.92	3.65	4.15	4.95	5.45	6.58	7.68
	Grade B	min	-	-	-	-	-	-	-	-	-	-	-	-
	Grade B	max	-	-	-	-	-	-	-	-	-	-	-	-
k1	min		0.7	0.9	1.1	1.3	1.6	1.9	2.28	2.63	3.19	3.54	4.28	5.05
r	min		0.1	0.1	0.1	0.1	0.1	0.2	0.2	0.25	0.25	0.4	0.4	0.6
s	max=nominal size		3.2	4	5	5.5	6	7	8	10	11	13	17	19
	min	Grade A	3.02	3.82	4.82	5.32	5.82	6.78	7.78	9.78	10.73	12.73	16.73	18.67
	min	Grade B	-	-	-	-	-	-	-	-	-	-	-	-
Length of Thread b			-	-	-	-	-	-	-	-	-	-	-	-
Thread Size			(M14)	M16	(M18)	M20	(M22)	M24	(M27)	M30	(M33)	M36	(M39)
d
P	Thread Pitch		2	2	2.5	2.5	2.5	3	3	3.5	3.5	4	4
b	Ref.	L≤125	34	38	42	46	50	54	60	66	72	78	84
		125＜L≤200	40	44	48	52	56	60	66	72	78	84	90
		L＞200	53	57	61	65	69	73	79	85	91	97	103
c	min		0.15	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3
c	max		0.6	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	1
da	max		15.7	17.7	20.2	22.4	24.4	26.4	30.4	33.4	36.4	39.4	42.4
ds	max=nominal size		14	16	18	20	22	24	27	30	33	36	39
	min	Grade A	13.73	15.73	17.73	19.67	21.67	23.67	-	-	-	-	-
	min	Grade B	-	15.57	17.57	19.48	21.48	23.48	26.48	29.48	32.38	35.38	38.38
dw	min	Grade A	20.5	22.5	25.3	28.2	30	33.6	-	-	-	-	-
dw	min	Grade B	-	22	24.8	27.7	29.5	33.2	38	42.7	46.6	51.1	55.9
e	min	Grade A	24.49	26.75	30.14	33.53	35.72	39.98	-	-	-	-	-
e	min	Grade B	-	26.17	29.56	32.95	35.03	39.55	45.2	50.85	55.37	60.79	66.44
k	Nominal Size		8.8	10	11.5	12.5	14	15	17	18.7	21	22.5	25
	Grade A	min	8.62	9.82	11.28	12.28	13.78	14.78	-	-	-	-	-
	Grade A	max	8.98	10.18	11.72	12.72	14.22	15.22	-	-	-	-	-
	Grade B	min	-	9.71	11.15	12.15	13.65	14.65	16.65	18.28	20.58	22.08	24.58
	Grade B	max	-	10.29	11.85	12.85	14.35	15.35	17.35	19.12	21.42	22.92	25.42
k1	min		5.96	6.8	7.8	8.5	9.6	10.3	11.7	12.8	14.4	15.5	17.2
r	min		0.6	0.6	0.6	0.8	0.8	0.8	1	1	1	1	1
s	max=nominal size		22	24	27	30	32	36	41	46	50	55	60
	min	Grade A	21.67	23.67	26.67	29.67	31.61	35.38	-	-	-	-	-
	min	Grade B	-	23.16	26.16	29.16	31	35	40	45	49	53.8	58.8
Length of Thread b			-	-	-	-	-	-	-	-	-	-	-

Company Details

Bronze Gleitlager

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Business Type:

Manufacturer,Exporter,Trading Company 
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Year Established:

2002 
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Total Annual:

6000000-8000000
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Employee Number:

50~100 
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Ecer Certification：

Verified Supplier 

Jiangsu Ying Yan Fastening System Technology Co. Ltd was founded in 2002. It is located in Wujiang Fenhu High-tech Industrial Development Zone, Suzhou City. It has a superior geographical location and convenient transportation. It is a professional fastener manufacturer integrating R&D, producti... Jiangsu Ying Yan Fastening System Technology Co. Ltd was founded in 2002. It is located in Wujiang Fenhu High-tech Industrial Development Zone, Suzhou City. It has a superior geographical location and convenient transportation. It is a professional fastener manufacturer integrating R&D, producti...

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Jiangsu Ying Yan Fastening System Technology Co.Ltd
No.888 Longjiang Road,Lili Town,Wujiang District,Suzhou City
https://www.fastener-screw.com/

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