What certifications do you have?

We hold ISO9001, CE, and SGS certifications, and our testing center is a National Enterprise Technology Center.

What standards do your bolts meet?

We meet ASTM A325, ASTM A490, JIS B1186, EN14399, and GB/T1231-2006 standards.

Washer Assemblies for Steel Structure Connecting

Name: Hex Bolt/Nut/Washer Assemblies for Steel Structure Connecting
Brand: Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
SKU: 2070379445

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.

HYZHB107

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

10.9

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

High-Strength Structural Bolts: ASTM A325/A490 grades 8.8-12.9 for steel-to-steel connections in bridges and skyscrapers.

Proven Project References: Used in Shenzhen Ping An Building and Hongkong-Zhuhai-Macau Bridge.

Customizable Dimensions: Lengths 30-400mm and diameters M12-M36 can be customized to specific requirements.

Multiple Surface Treatments: Options include Hot-dipped galvanized, Dacromet, Black oxide, and Phosphating.

National QC Standards: Testing center granted as National Enterprise Technology Center with stricter QC.

Large Production Capacity: Annual capacity of 1,500 million pieces with 10 production lines.

Flexible Customization: Supports customization from samples, designs, and full minor customization.

Comprehensive Certifications: ISO9001, CE, SGS certified with 18 years of export experience.

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: ≤4.02h

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.