China Factory wholesale 7 Mm Bolts - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji manufacturers and suppliers

Factory wholesale 7 Mm Bolts - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji

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"Based on domestic market and expand overseas business" is our development strategy for M5 Hex Screw , Coupper Bolt , Allen Head Countersunk Bolts , And there are also a lot of overseas close friends who came for sight seeing, or entrust us to buy other stuff for them. You will be most welcome to come to China, to our city and to our manufacturing facility!

Factory wholesale 7 Mm Bolts - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji Detail:

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10000+ SKU in warehouse

We Commit for RTS items:

70% items delivered within 5 days

80% items delivered within 7 days

90% items delivered within 10 days

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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.

Packaging and delivery
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Yongnian Hongji
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We now have several exceptional workers customers good at marketing, QC, and working with types of troublesome trouble during the creation system for Factory wholesale 7 Mm Bolts - ISO7380 Stainless Steel Hex Socket Pan Head Screw SUS304 SUS316 – Hongji , The product will supply to all over the world, such as: Costa rica, Georgia, Suriname, We provide OEM services and replacement parts to meet the varying needs of our customers. We give competitive price for quality solutions and we are going to make certain your shipment is handled quickly by our logistics department. We sincerely hope to have the opportunity to meet with you and see how we can help you further your own business.

The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.