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ASTM A325 A490 Heavy Hex Structural Bolt

Name: ASTM A325 A490 Heavy Hex Structural Bolt
Brand: Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
SKU: 2073536775

Zhejiang, ChinaHangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.

US$0.20-2.00

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

hex134

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Galvanized, Dacromet, Black Oxide,Phosphating

Pitches

Coarse (Unc) or Fine (Unf)

Nut Grade

10h/8h

Proof Strength [Ksi]

120

Yield Strength (Min) [Ksi]

130

Thread Type

Partial or Totally Threaded

Tensile Strength (Min) [Ksi]

150 Minimum 173 Maximum

Transport Package

Cartons on Pallet or Drums on Pallet

Specification

1/2''~1 1/2''

Trademark

HYZ or customized

Origin

China

HS Code

7318159001

Production Capacity

5 Million Sets/Month

Key features

Proven Project Reliability: Used in major projects like Shenzhen Ping An Building and Hongkong-Zhuhai-Macau Bridge.

Comprehensive Customization: Offers full customization for length, head marking, thread type, and surface treatment.

Strict Quality Control: National Enterprise Technology Center with 100% inspection and stricter-than-national standards.

Multiple Surface Finishes: Available in Hot-dipped galvanized, Dacromet, Black oxide, and Phosphating.

Wide Size Range: Diameters from M12 to M36 and lengths from 30mm to 400mm or customized.

High Production Capacity: Annual capacity of 1,500 million pieces with advanced cold/hot forging equipment.

Flexible Payment Terms: Accepts T/T, LC, D/P, PayPal, Western Union, and small-amount payments.

Fast Delivery for Stock: Delivery takes about 2 days for stocked items; 15-20 days for container orders without stock.

Company profile

Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 18 years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.41h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company, although the supplied company descriptions also state that it specializes in manufacturing steel-structure fasteners, including high-strength heavy hex-head bolts, tension-control bolts, shear studs, and segment bolts. It reports ISO9001 and ISO14001 certification, historical OHSAS18001 and CE certifications, four production lines, six to ten quality-control staff, five R&D engineers, and stated output of 6,000 tons of bolts and 6,000,000 shear studs. It exports mainly to Southeast Asia and the Middle East, with exports representing 41%–50% of total sales and exporting beginning in 2007. Production scale and customer references are positively indicated, but overseas service infrastructure, detailed innovation services, customization/OEM/ODM capability, raw-material traceability, and after-sales capability are not sufficiently documented. Financial information is excluded.

CertificationsThe supplier explicitly reports ISO9001:2015 and ISO14001:2015 certificates. It also states that it previously passed ISO9001:2008, ISO14001:2004, OHSAS18001:2007, and CE certification, while slice 8 identifies provincial and municipal high-tech enterprise ratings. The current validity of the older certifications is not established.

R&D capabilityThe supplier is described as a Zhejiang and Hangzhou high-tech enterprise and as having advanced production equipment and testing instruments. However, the supplier type for professional R&D, new-product R&D, 3D design, SDK availability, and other detailed innovation capabilities is unknown, so the breadth of its innovation capability cannot be confirmed.

Production capacityProduction capability is supported by four production lines, reported output of 6,000 tons of bolts and 6,000,000 shear studs, six to ten quality-control staff, and a stated off-peak lead time within 15 workdays. The company also reports more than ten years of development and advanced production and testing equipment, providing explicit evidence of operational capacity.

Client casesThe supplier states that it has become a supplier of major domestic steel-structure manufacturers, including China Railway Major Bridge Engineering Company, and has joined relevant industry associations. This is explicit evidence of at least one named customer relationship and domestic industry participation, although order scope and performance details are not provided.

Product Q&A

Q:Are you a trading company or manufacturer?

We JIAXIANG BOLTS, founded in 2007, is the leading manufacturer in China for shear connector and high strength bolts.

Q:How long is your delivery time?

It we have stock, it takes about 2 days to deliver. If no stock, it takes about 15-20 days to deliver for container(about 20 tons).

Q:Do you provide samples? Is it free or extra?

Yes, we could offer the sample for free charge, and you are required to afford the freight fee.

Q:Why choose us?

1)With 16 years of steel structure experience, we always supply high and stable quality products with reasonable price. 2) Unique production process,especially for bottom surface 'Slightly curve&Chamfer' on stud.

Q:Do you have a Quality Control Department?

Yes! Not only for that, our testing center has been granted as National Enterprise Technology Center. All the QC employees are qualified with national certificates. Our forward-looking technology allows to implement the testing requirements which is stricter than national standards.