| Customization: | Available |
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| Material: | Alloy Steel |
| Type: | Round Head |
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| Product Name | Tension Control Bolt/Nut/Washer Assemblies |
| Place of Origin | Hangzhou China |
| Material | Alloy steel: 40Cr/42CrMo/B7/35CrMo |
| Surface treatment | Hot-dipped galvanized, Dacromet, Black oxide, Phosphating |
| Grade (ASTM F2280) | A490TC Grade 8 |
| Grade (ASTM F1852) | A325TC Grade 5 |
| Grade (JSSII-09-1996) | S10T |
| Grade(GB) | 8.8/10.9/12.9 |
| Diameter(inch) | 1/2, 5/8, 3/4 , 7/8, 1, 1 1/8, 1 1/4, 1 3/8, 1 1/2 |
| Length(inch) | 1~20 or customized |
| Diameter(metric) | M12,M14, M16,M20,M22,M24,M27,M30,M33,M36 |
| Length(metric) | 30~400mm or customized |
| Head Marking | HYZ or Customized |
| Certificates | CE,SGS,ISO 9001,FPC BC1 |
| Available standard | ASTM F2280,JSSII-09-1996, EN14399, GB/T3632-2008 |
Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd. is founded in 2007 with registered capital of RMB 30 million and is professionally engaged in manufacturing high-strength bolts with large hexagon heads for steel structures, torsion and shear type high strength bolts and shear studs.
Located in Jinhua Industrial Park, Xiaoshan District, Hangzhou City, our plant covers an area of 22,000 square meters with convenient transportation and beautiful environment. It's two-hour drive to Shanghai and Ningbo Ports. Our company has strong technical force, advanced production equipments and testing equipments.
Our products cover 10.9S-12.9 S-Class. Our leading products of 10.9S high-strength large hexagon bolt pairs, torsion and shear type bolted pairs and welding studs are mainly used for railways, bridges, large industrial plants, high and super high-rise buildings, convention centers, sports stadiums and other large constructions. The annual production capacity is 1,500 million pieces. We are a member of China General Machine Components Industry Association and Shanghai Association of Fastener Industry Association of Metal Structures, and have passed ISO9001:2000 quality system certification.With high-quality products and reasonable prices, we warmly welcome customers to cooperate with us.
Plant & Reception Room
Jiaxiang Bolts with trade mark HYZ is a leading manufacturer for high strength bolts and shear studs. We warmly welcome your visit.
Cold Forging & Hot Forging
In either cold or hot, we count with long time experience and wide variety of machinary which enables us to define the most effective equipments to produce the requested items in the most efficient way.
Heat Treatment
Conveyor and static systems are defined in relation to the type of items to be treated, being always aware of the importance of this process to ensure its correct application.
Storage & Logistics
We have our facilites fully palletized in warehouse to make sure the goods to be delivered in efficient way.
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