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We accept T/T and L/C payments.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

What certifications do your products have?

Our products are certified with CE, SGS, ISO 9001, and meet ASTM F3125 standards.

Round Head Bolt Tc a-325 W/Nut and Washer Black Finish

Name: Round Head Bolt Tc a-325 W/Nut and Washer Black Finish
Brand: Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
SKU: 2093445655

Zhejiang, ChinaHangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.

US$0.10-2.10

1,000 Sets

Sample price:US$0.00/set.Request sample

Product profile

Customization

Available

Material

Alloy Steel

Type

Round Head

Model NO.

HYZF185210

Connection

Steel Structure

Head Style

Round

Standard

ASTM F3125

Application

Machinery, Chemical Industry, Environmental, Building, Steel Structure

Finish

Black

Other Finish

Hot DIP Galvanized

Pitches

Unc

Thread Type

Partial Thread

Set

1bolt+1nut+1washer

Transport Package

Cartons and Pallets

Specification

3/4"X3.1/2"

Trademark

HYZ A325 TC

Origin

China

HS Code

731815

Production Capacity

5 Million Sets/Month

Key features

ASTM F3125 Certified: Meets ASTM F3125 Grade F1852 standards for structural steel connections.

High Tensile Strength: Tested tensile strength of 135,500 PSI exceeds standard requirements.

Customizable Options: Supports custom finishes, pitches, thread types, and packaging solutions.

Professional Manufacturer: Established in 2007 with 10 production lines and 1.5 billion annual capacity.

Strict Quality Control: 100% inspection with National Enterprise Technology Center certification.

Fast Delivery: 3-day delivery for stock items; 7-15 days for customized orders.

Versatile Application: Ideal for steel structures, machinery, chemical industry, and buildings.

Flexible Payment: Accepts T/T, L/C, D/P, PayPal, and Western Union for convenience.

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: ≤3.52h

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.