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Square Head Bolt Din Standard

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8.8 Grade High-Strength Hexagon Bolt

DIN 931 Hexagon Head Cap Screws/Bolts Part Thread

EN 14399 (-10 Cup) Torshear Type High Strength Bolt

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DIN6914 Heavy Hex Structural Bolts

DIN 6914 - 1989 High-Strength Hexagon Bolts With Large Widths Across Flats For Structural Bolting

Key words:

DIN6914 Heavy hex structural bolts

DIN 931 outer hexagon bolt

DIN 6319D Conical Seat Bare Steel

12 9 Hex Cap Screws Steel

10 9 bolt vs 8 8

12 9 bolt grade

8 8 grade bolt vs 10 9

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Anchor bolt

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Description

Heavy hex structural bolts

Heavy hex structural bolts:High-Strength Hexagon Bolts With Large Widths Across Flats For Structural Bolting User: "Mainly used for connection points in steel structure engineering.Heavy hex structural bolts can be used for many different applications that include fastening wood, steel, and other construction materials for projects such as docks, bridges, highway structures, and buildings. Heavy hex structural bolts with forged heads are also commonly used as headed anchor bolts"

material：Stainless steel, carbon steel and other metal materials

ASTM A 325M surface is hot-dip galvanized .

Thread size		M12	M16	M20	M22	M24	M27	M30	M36
d
P	Pitch	1.75	2	2.5	2.5	3	3	3.5	4
ds	Nominal	12	16	20	22	24	27	30	36
	Max	12.7	16.7	20.84	22.84	24.84	27.84	30.84	37
	Min	11.3	15.3	19.16	21.16	23.16	26.16	29.16	35
e	Min	23.91	29.56	35.03	39.55	45.2	50.85	55.37	66.44
k	公称	8	10	13	14	15	17	19	23
	Max	8.45	10.75	13.9	14.9	15.9	17.9	20.05	24.05
	Min	7.55	9.25	12.1	13.1	14.1	16.1	17.95	21.95
r	Min	1.2	1.2	1.5	1.5	1.5	2	2	2
s	Max=Nominal	22	27	32	36	41	46	50	60
s	Min	21.16	26.16	31	35	40	45	49	58.8
One thousand pieces of steel weight≈kg		-	-	-	-	-	-	-	-
Thread length b		-	-	-	-	-	-	-

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FAQ

Who are we?

Handan Yongnian Hongda fastener Manufacturing Co., Ltd. is located in Yongnian, Handan of fasteners in my country, adjacent to the Beijing-Guangzhou Line, Jingjiu Expressway and Qinghong Expressway intersection, with convenient transportation.

How do we guarantee quality?

our factory successfully passed the ISO9001:2015 international quality system certification. In the future development, the company will continue to adhere to the quality policy of "continuous improvement, striving for excellence and innovation", cooperate wholeheartedly with customers and merchants with strong technical force, equipment force and economic strength, and go hand in hand to create brilliant new achievements.

What can you buy from us?

The company mainly produces bolts, nuts, anchor bolts, screws,stud bolts ,customized special-shaped parts, etc. The products can be produced according to the national international standard (ISO), German standard (DIN), American standard ( ANSI/ASME), British standard (BS) and Japanese standard (JIS).

Why do you want to buy from us instead of other suppliers?

It has more than 20 sets of advanced equipment and an annual output of more than 10,000 tons of high-quality products. The products are sold to more than a dozen countries in the Middle East, Europe, South Korea, and Southeast Asia. "Hongda products, high quality and good price" is the production tenet of our company.

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