China High Quality High Strength Bolt - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji manufacturers and suppliers

High Quality High Strength Bolt - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji

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High Quality High Strength Bolt - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji Detail:

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ISO7380 Stainless Steel Hex Socket Pan Head Screw 5

d		M3	M4	M5	M6	M8	M10	M12	M16
d
P	Pitch	0.5	0.7	0.8	1	1.25	1.5	1.75	2
a	Max	1	1.4	1.6	2	2.5	3	3.5	4
a	Min	0.5	0.7	0.8	1	1.25	1.5	1.75	2
d_k	Max	5.7	7.6	9.5	10.5	14	17.5	21	28
d_k	Min	5.4	7.24	9.14	10.07	13.57	17.07	20.48	27.48
e	Min	2.303	2.873	3.443	4.583	5.723	6.863	9.149	11.429
k	Max	1.65	2.2	2.75	3.3	4.4	5.5	6.6	8.8
k	Min	1.4	1.95	2.5	3	4.1	5.2	6.24	8.44
s	Nominal	2	2.5	3	4	5	6	8	10
	Max	2.08	2.58	3.08	4.095	5.14	6.14	8.175	10.175
	Min	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025
t	Min	1.04	1.3	1.56	2.08	2.6	3.12	4.16	5.2
Minimum tension load(N)	8.8Grade	3220	5620	9080	12900	23400	37100	53900	100000
	10.9Grade	4180	7300	11800	16700	30500	48200	70200	130000
	12.9Grade	4910	8506	13800	19600	35700	56600	82400	154000

Detail drawing

ISO7380 Stainless Steel Hex Socket Pan Head Screw 9

What’s Round Head Hex Socket Head Screw?
The standard of Round Head Hex Socket Head Screw is ISO 7380. The definition of hexagon socket flat round head screw refers to a screw with a hexagon socket and a flat round head head. The professional name of the screw industry is called flat cup, which is a relatively simple overview. It is also called hexagon socket round cup, socket socket flat head bolt. There are many names, but the content is the same.

There are two kinds of materials for hexagon socket head dome screws. These two are commonly used materials, including stainless steel and carbon steel. For carbon steel, we generally refer to iron. Carbon steel is divided into grades of hardness, including low-carbon steel. Medium carbon steel and high carbon steel. Therefore, the strength grades of hexagon socket head cap screws are 4.8, 8.8, 10.9, and 12.9.

If the hexagon socket head flat head screw is iron, it generally needs to be electroplated. Electroplating is divided into environmental protection and non-environmental protection. Non-environmental protection is ordinary electroplating. The environmentally friendly ones include environmentally friendly blue zinc, environmentally friendly colored zinc, environmentally friendly nickel, and environmentally friendly white zinc, etc. The non-environmentally friendly electroplating includes black zinc, white zinc, color zinc, white nickel, black nickel, and black cladding.

Packing

The packaging of the socket head cap screws is the box and the outer box by default.

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We now have a specialist, efficiency workforce to deliver excellent service for our purchaser. We always follow the tenet of customer-oriented, details-focused for High Quality High Strength Bolt - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji , The product will supply to all over the world, such as: Juventus, Norway, Greenland, Excellent quality comes from our adherence to every detail, and customer satisfaction comes from our sincere dedication. Relying on advanced technology and industry reputation of good cooperation, we try our best to provide more quality products and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future.

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