GB-T 70.1 Hexagon Socket Head Cap Screws

Product: GB-T 70.1 Hexagon Socket Head Cap Screws

Property Class:4.6,4.8,5.6,5.8,8.8,10.9,12.9,

A2-70, A4-70,A4-80

Finish:Zinc Plating（Yellow Zinc, Zinc Blue, Rinse Color), Black, Phosphate & Oil, Zinc Phosphate, Hot-dip Galvanized(HDG),Dacromet, Geomet

Material:Steel

Export country: USA, Japan, Australia, Europe and so on

Support customer customization

Contact Now E-Mail Telephone WhatsApp

Product Details

GB/T 70.1 hexagonal socket head screw is a commonly used fastener, which is characterized by its head designed in the shape of a hexagonal cylinder. Under the GB/T 70.1 standard, screws come in a wide range of sizes, covering a variety of specifications from M1.6 to M64 to meet different application needs.GB/T 70.1 hexagon socket head screws are widely used in various mechanical equipment, electronic appliances, electric power, chemical industry, water conservancy, furniture and other fields to connect and fix various components.

Pictures

GB-T 70.1 Hexagon Socket Head Cap Screws

Product drawing

Product Specification

Size		M1.6	M2		M2.5	M3	M4	M5	M6	M8	M10	M12	M14	M16	M20	M24	M30	M36	M42	M48	M56	M64
P		0.35	0.4		0.45	0.5	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	3	3.5	4	4.5	5	5.5	6
b		15	16		17	18	20	22	24	28	32	36	40	44	52	60	72	84	96	108	124	140
dk	Max(c	3.00	3.80		4.50	5.50	7.00	8.50	10.00	13.00	16.00	18.00	21.00	24.00	30.00	36.00	45.00	54.00	63.00	72.00	84.00	96.00
	Max(d	3.14	3.98		4.68	5.68	7.22	8.72	10.22	13.27	16.27	18.27	21.33	24.33	30.33	36.39	45.39	54.46	63.46	72.46	84.54	96.54
	min	2.86	3.62		4.32	5.32	6.78	8.28	9.78	12.73	15.73	17.73	20.67	23.67	29.67	35.61	44.61	53.54	62.54	71.54	83.46	95.46
da max		2	2.6		3.1	3.6	4.7	5.7	6.8	9.2	11.2	13.7	15.7	17.7	22.4	26.4	33.4	39.4	45.6	52.6	63	71
ds	max	1.6	2.00		2.50	3.00	4.00	5.00	6.00	8.00	10.00	12.00	14.00	16.00	20.00	24.00	30.00	35.61	42.00	48.00	56.00	64.00
ds	min	1.46	1.86		2.36	2.86	3.82	4.82	5.82	7.78	9.78	11.73	13.73	15.73	19.67	23.67	29.67	30.854	41.61	47.61	55.54	63.54
e min		1.733			2.303	2.873	3.443	4.583	5.723	6.683	9.149	11.429	13.716	15.996	19.437	21.734	25.154	30.854	36.571	41.131	46.831	52.531
L max		0.34		0.51	0.51	0.51	0.6	0.6	0.68	1.02	1.02	1.45	1.45	1.45	2.04	2.04	2.89	2.89	3.06	3.91	5.95	5.95
k	max	1.6	2		2.5	3	4	5	6	8	10	12	14	16	20	24	30	36	42	48	56	64
k	min	1.46	1.86		2.36	2.86	3.82	4.82	5.7	7.64	9.64	11.57	13.57	15.57	19.48	23.48	29.48	35.38	41.38	47.38	55.26	63.26
r min		0.1					0.2		0.25	0.4		0.6			0.8		1		1.2	1.6	2	2
s	max	1.58			2.08	2.58	3.08	4.095	5.14	6.14	8.175	10.175	12.212	14.212	17.23	19.275	22.275	27.275	32.33	36.33	41.33	46.33
s	min	1.52			2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025	12.032	14.032	17.05	19.065	22.065	27.065	32.08	36.08	41.08
t min		0.7	1		1.1	1.3	2	2.5	3	4	5	6	7	8	10	12	15.5	19	24	28	34	38
v max		0.16	0.20		0.25	0.3	0.4	0.5	0.6	0.8	1	1.2	1.4	1.6	2	2.4	3	3.6	4.2	4.8	5.6	6.4
dw min		2.72	3.48		4.18	5.07	6.53	8.03	9.38	12.33	15.33	17.23	20.17	23.17	28.87	34.81	43.61	52.54	61.34	70.34	82.26	94.26
w min		0.55	0.55		0.85	1.15	1.4	1.9	2.3	3.3	4	4.8	5.8	6.8	8.6	10.4	13.1	15.3	16.3	17.5	19	22
Support customer customization

Some introduction about our company

Application

Our products are widely used in mechanical, electrical, railways, bridges, steamships, fire protection and communication system, etc. GB-T 70.1 Hexagon Socket Head Cap Screws

Workshop

GB-T 70.1 Hexagon Socket Head Cap Screws

Certification

Through scientific management, Jinan Star Fastener Co., Ltd. has obtained the 2015 version of ISO9001 quality management system certification. The laboratory passed the national CNAS certification. In 2018, the company passed the European CE certification.

GB-T 70.1 Hexagon Socket Head Cap Screws

Testing Equipment

Our company has a specialized laboratory with digital hardness testers, microscopes, universal testing machines, axial force meters, hydrogen embrittlement detection devices, magnetic particle flaw detectors, metallographic analyzers and salt spray testing machines, etc. Experimental testing equipment is used to conduct comprehensive testing of the chemical composition of raw materials, product hardness, mechanical properties, coating thickness and corrosion resistance to ensure that all products meet standard requirements and satisfy customers.

GB-T 70.1 Hexagon Socket Head Cap Screws

Production equipment

Our company has more than 300 production equipment.The product production process includes: Annealing, shot blasting, cold heading, thread rolling, heat treatment, galvanizing, finished product testing, packaging, etc. are all completed in the company.

GB-T 70.1 Hexagon Socket Head Cap Screws

Packing

GB-T 70.1 Hexagon Socket Head Cap Screws

Service

1. Provide hexagon socket head screws that comply with GB/T 70.1 standard, and customize screws with different specifications, materials and strength levels.

2. Ensure that the supplied screws comply with GB/T 70.1 standards and provide quality inspection reports.

3. Responsible for the timely transportation of screws to ensure that customers receive the goods.

4. Conduct regular return visits to customers, collect feedback, and continuously optimize GB/T 70.1 hexagon socket head screw products and services.

FAQ

1. How to choose the right GB/T 70.1 hexagon socket head screw for me?

We will provide detailed specifications and material descriptions under the GB/T 70.1 standard, answer customers' questions about screw size, strength level, etc., and help you choose appropriate screws.

2. How to install and use GB/T 70.1 hexagon socket head screws?

We provide you with installation instructions and user manuals to ensure that you can use the product correctly. If you have anything you don't understand, you can contact us at any time.

3. Can you deliver goods in time?

Of course, based on integrity, we will negotiate the delivery time with you. After you place an order for hexagon socket screws, we will arrange production and delivery for your order as soon as possible.

Leave your messages