Handan Yongnian Hongji Machinery Parts Co., LTD.,

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+86 155 3000 9000

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DIN933 /DIN931 Hex Bolt Stainless Steel 304/316 Full Thread/Half Thread

Short Description: DIN933/931 HEX BOLT SS304/316
Place of Origin:China
Surface treatment:plain
Measure System:Metric, Inch
Certification:ISO9001:2015
Grade:A2-70/A4-70
Application:Machinery, Construction, General Industry, Heavy Industry
Size:M6-M48
Packing:Bag, Carton, boxes+Carton,Pallet
Delivery time:2-10 days
Standard:DIN933
Thread type:Full thread

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Description

Product Dimensions

d			M1.6	M2	M2.5	M3	(M3.5)	M4	M5	M6	(M7)	M8
P	Pitch		0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1	1.25
a	Max		1.05	1.2	1.35	1.5	1.8	2.1	2.4	3	3	3.75
c	Min		0.1	0.1	0.1	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
d_a	Max		2	2.6	3.1	3.6	4.1	4.7	5.7	6.8	7.8	9.2
d_w	A Class	Min	2.4	3.2	4.1	4.6	5.1	5.9	6.9	8.9	9.6	11.6
d_w	B Class	Min	-	-	-	-	-	5.7	6.7	8.7	9.4	11.4
e	A Class	Min	3.41	4.32	5.45	6.01	6.58	7.66	8.79	11.05	12.12	14.38
e	B Class	Min	-	-	-	-	-	7.5	8.63	10.89	11.94	14.2
k	Nominal		1.1	1.4	1.7	2	2.4	2.8	3.5	4	4.8	5.3
	A Class	Min	0.98	1.28	1.58	1.88	2.28	2.68	3.35	3.85	4.65	5.15
	A Class	Max	1.22	1.52	1.82	2.12	2.52	2.92	3.65	4.15	4.95	5.45
	B Class	Min	-	-	-	-	-	2.6	3.26	3.76	4.56	5.06
	B Class	Max	-	-	-	-	-	3	3.74	4.24	5.04	5.54
k₁	Min		0.7	0.9	1.1	1.3	1.6	1.9	2.28	2.63	3.19	3.54
r	Min		0.1	0.1	0.1	0.1	0.1	0.2	0.2	0.25	0.25	0.4
s	Max=Nominal		3.2	4	5	5.5	6	7	8	10	11	13
	A Class	Min	3.02	3.82	4.82	5.32	5.82	6.78	7.78	9.78	10.73	12.73
	B Class	Min	-	-	-	-	-	6.64	7.64	9.64	10.57	12.57

d			(M18)	M20	(M22)	M24	(M27)	M30	(M33)	M36	(M39)	M42
P	Pitch		2.5	2.5	2.5	3	3	3.5	3.5	4	4	4.5
a	Max		7.5	7.5	7.5	9	9	10.5	10.5	12	12	13.5
c	Min		0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3	0.3
c	Max		0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	1	1
d_a	Max		20.2	22.4	24.4	26.4	30.4	33.4	36.4	39.4	42.4	45.6
d_w	A Class	Min	25.3	28.2	30	33.6	-	-	-	-	-	-
d_w	B Class	Min	24.8	27.7	29.5	33.2	38	42.7	46.5	51.1	55.9	59.9
e	A Class	Min	30.14	33.53	35.72	39.98	-	-	-	-	-	-
e	B Class	Min	29.56	32.95	35.03	39.55	45.2	50.85	55.37	60.79	66.44	71.3
k	Nominal		11.5	12.5	14	15	17	18.7	21	22.5	25	26
	A Class	Min	11.28	12.28	13.78	14.78	-	-	-	-	-	-
	A Class	Max	11.72	12.72	14.22	15.22	-	-	-	-	-	-
	B Class	Min	11.15	12.15	13.65	14.65	16.65	18.28	20.58	22.08	24.58	25.58
	B Class	Max	11.85	12.85	14.35	15.35	17.35	19.12	21.42	22.92	25.42	26.42
k₁	Min		7.8	8.5	9.6	10.3	11.7	12.8	14.4	15.5	17.2	17.9
r	Min		0.6	0.8	0.8	0.8	1	1	1	1	1	1.2
s	Max=Nominal		27	30	32	36	41	46	50	55	60	65
	A Class	Min	26.67	29.67	31.61	35.38	-	-	-	-	-	-
	B Class	Min	26.15	29.16	31	35	40	45	49	53.8	58.8	63.1

The Hex Bolt Stainless Steel A4-70 is a high-performance fastening component designed for applications requiring excellent corrosion resistance, reliable strength, and long-term durability. Made from A4 stainless steel material, this hex bolt provides superior resistance against moisture, chemicals, and harsh environmental conditions, making it suitable for marine, construction, industrial, and outdoor applications.

The A4-70 grade indicates a balance between material quality and mechanical performance, providing dependable tensile strength while maintaining the corrosion-resistant characteristics of stainless steel. The hexagonal head design allows easy installation and removal with standard tools, ensuring efficient fastening operations and secure connections.

Manufactured with precision machining technology, the Hex Bolt Stainless Steel A4-70 features accurate thread dimensions, smooth surfaces, and consistent performance. High-quality stainless steel materials help reduce rust risks and extend service life, even in demanding working environments. Strict quality inspections are carried out to ensure dimensional accuracy, mechanical properties, and reliable fastening performance.

The Hex Bolt Stainless Steel A4-70 is widely used in equipment assembly, structural projects, machinery manufacturing, piping systems, and outdoor facilities. It can be customized according to different requirements, including size, thread specifications, and surface finishing options.

With excellent corrosion resistance, stable mechanical strength, and versatile applications, the Hex Bolt Stainless Steel A4-70 provides a reliable fastening solution for industries seeking durable and high-quality connection components.

Product Packaging

About Us

FAQ

1.You are a manufacturing company or trading company?

We are a fastener manufacturer, and our main products are Bolt, Nut, Screw, Anchor and Washer. Meanwhile, we are also a fastener trader with many years experiences in domestic and international market.

2.What quote do you offer?

We offer EXW, FCA(Guangzhou, Foshan, Yiwu, Shanghai, Wenzhou, Urumchi, and many other cities), FOB, CIF, CFR, DAP, DDP sea shipment terms.

3. Can you provide the necessary customs clearance documents

Yes. We are a legal and compliant enterprise of the People's Republic of China, having the formal import and export qualification. FORM E, CO, Invoice with embassy certification are all available for our order.

4.How pay?

T/T, Alibaba Online Payment, Paypal are all available.

5.How transport?

The most common means is sea shipment, if the order quantity is great, this means is the best.

But if the order quantity is little, we advise the air express or air transportation.

Of course, the land transportation is also OK.

Door to Door is also available.

6.Can I order a small list ?

Of course you can. We offer the samples service.

7.Can we print our own logo ?

Yes. We offer the customized service based on a big quantity. OEM and ODM are OK.

Send Email

Taylor@hdhongji.com

Phone/Wechat

+86 155 3000 9000

Keywords:

Bolts

hex bolt stainless steel A4-70

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Tel/WhatsApp:

+86 155 3000 9000

Email:

Taylor@hdhongji.com

The company's main products cover bolts, nuts, anchor, screws, washers and customized parts, casting parts, built-in fitting parts and steel

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