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Stainless Steel A2-70 A4-80 SS201 SS304 SS316 ISO7380 Button Head Hex Socket Bolts

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Stainless Steel A2-70 A4-80 SS201 SS304 SS316 ISO7380 Button Head Hex Socket Bolts

We are committed to become the world's top fastening solutions provider, let Chinese prod-uct enterworld class, let the Chengyi production become synonymous with quality. To this end we need perseverance. At the same time, we also shoulder the responsibility of the society and the expectations of theemployees. In the future, we will become a respected enterprise.

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Name	Hex socket head screw bolts	Materials	Carbon Steel/Stainless Steel
Standards	DIN ISO UNC BSW JIS etc.	Strength level	4.8 8.8 10.9 12.9 A2-70 A4-70 A4-80
Size	M3-M50	Surface finish	ZP\HDG\BLACK\Dacromet etc.
Length	15-500	Samples	Available

Product Standards

Hexagon socket head cap screws ISO 7380

Thread specification		M3	M4	M5	M6	M8	M10	M12	M16
d		M3	M4	M5	M6	M8	M10	M12	M16
P	pitch	0.5	0.7	0.8	1	1.25	1.5	1.75	2
a	maximum value	1	1.4	1.6	2	2.5	3	3.5	4
a	minimum	0.5	0.7	0.8	1	1.25	1.5	1.75	2
dk	maximum value	5.7	7.6	9.5	10.5	14	17.5	21	28
dk	minimum	5.4	7.24	9.14	10.07	13.57	17.07	20.48	27.48
e ①	minimum	2.3	2.87	3.44	4.58	5.72	6.86	9.15	11.43
k	maximum value	1.65	2.2	2.75	3.3	4.4	5.5	6.6	8.8
k	minimum	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
	maximum value	2.045	2.56	3.071	4.084	5.084	6.095	8.115	10.115
	minimum	2.02	2.52	3.02	4.02	5.02	6.02	8.025	10.025
t	minimum	1.04	1.3	1.56	2.08	2.6	3.12	4.16	5.2
Minimum tensile load (N)	Level 12.9	4910	8506	13800	19600	35700	56600	82400	154000

About Us

We are committed to become the world's top fastening solutions provider, let Chinese product enterworld class, let the Chengyi production become synonymous with quality. To this end we need perseverance. At the same time, we also shoulder the responsibility of the society and the expectations of theemployees. In the future, we will become a respected enterprise.

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Our export countries include Russia, South Korea, Britain, France, Germany, Italy, Canada, Mexico,Brazil, Argentina, Chile, Australia, Indonesia, Thailand, Singapore, Saudi Arabia, Syria, Egypt, Tanzania,Kenya and other countries. Our products will be spread all over the world!