What is the minimum order quantity?

The minimum order quantity is 1 piece.

What is the lead time for production?

The average lead time is within 15 workdays for both peak and off-season periods.

What materials are used for the bolts?

Materials include Carbon steel (45#) and Alloy steel (40Cr, 35VB35CrMo, 42CrMo).

Alloy Steel Hot DIP Galvanized Bolt ASTM A325 Steel Structural Bolt

Name: Alloy Steel Hot DIP Galvanized Bolt ASTM A325 Steel Structural Bolt
Brand: Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
SKU: 785128765

Zhejiang, ChinaHangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.

US$900.00

1,000 Sets

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy Steel

Type

Hexagon Head

Model NO.

JX16HB006

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, as

Grade

8.8

Application

Steel Structure

Finish

Hot Galvanizing

Tensile Strength

>825MPa

Other Available Finish

Black Oxide, Galvanized, Dacromet,Ect

Transport Package

Carton and Wooden Pallet

Specification

1/2"~1 1/2"

Trademark

HYZ+A325

Origin

Hangzhou China

HS Code

7318

Production Capacity

300tons Per Month

Key features

High Strength Performance: Tensile strength >825MPa, meeting ASTM A325 Grade 8.8 standards for structural applications.

Customizable Finishes: Available in Black Oxide, Galvanized, Dacromet, and other finishes based on customer requirements.

Complete Bolt Sets: Each set includes 1 bolt, 1 nut (DH or 2H), and 2 washers (F436) for immediate installation.

Professional Manufacturing: Specialized in high strength tension control bolts and heavy hex head bolts since 2007.

Quality Certification: Comes with 3.1 certificate or 3rd party inspection reports (SGS, BV, ISO) per batch.

Flexible Customization: Supports OEM/ODM, full customization from samples/designs, and minor customization options.

Strict Quality Control: 100% visual and function inspection by 4 QA/QC inspectors before shipment.

Fast Lead Time: Average lead time within 15 workdays for both peak and off-season periods.

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: ≤6.53h

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.