Do you provide quality certificates?

Yes, we provide FPC, BC1, SGS, BV, and ISO certifications, along with factory testing reports and 3.1 certificates per batch.

What is included in a bolt set?

Each set includes one bolt, one nut (DH or 2H), and two washers (F436).

What standards do the bolts meet?

The bolts comply with ASTM A325, DIN, ANSI, GB, and JIS standards.

Galvanized High Strength Hex Head Bolt ASTM A325/A490

Name: Galvanized High Strength Hex Head Bolt ASTM A325/A490
Brand: Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
SKU: 878755765

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.

19JXHTB019

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

Size Class

Inch Size or Metric Size

Transport Package

Carton and Wooden Pallet

Specification

1/2'~1-1/2"

Trademark

HYZ or customer brand

Origin

Hangzhou China

HS Code

7318

Production Capacity

5000000PCS/Month

Key features

High Strength Grade 8.8: ASTM A325 Type 1 bolts with tensile strength up to 825MPa for steel structures.

Customizable Finish Options: Available in Dacromet, black oxide, phosphating, and electronic galvanized finishes.

Flexible Customization: Full customization, minor customization, and customization from samples or designs available.

Comprehensive Certification: Certified by FPC, BC1, SGS, BV, ISO, with factory testing reports and 3.1 certificates.

OEM and ODM Services: Professional manufacturing with OEM and ODM services available for custom brands and drawings.

Fast Lead Time: Peak and off-peak season lead times are both within 15 workdays.

Strict Quality Control: 100% inspection including visual and function checks with 4 dedicated QA/QC inspectors.

Complete Bolt Set: Includes 1 bolt, 1 nut (DH or 2H), and 2 washers (F436) per set.

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: ≤7.39h

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.