What are the available payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payment.

Is OEM and ODM service available?

Yes, we offer OEM and ODM services, including customization from samples, designs, and full customization.

What is the average lead time for production?

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

Galvanized Structural Bolt Tension Control Bolt A490tc High Tensile Bolt with Round Head

Name: Galvanized Structural Bolt Tension Control Bolt A490tc High Tensile Bolt with Round Head
Brand: Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
SKU: 2112368684

Zhejiang, ChinaHangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.

US$0.20-2.50

1,000 Sets

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Round Head

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS

Grade

10.9

Application

Machinery, Environmental, Building, Steel Structure

Finish

Dacromet

Size

5/8"~1-1/2"

Tensile Strength for 1/2"-1"

150000psi~173 000 Psi

Yield Strength for 1/2"-1"

120000psi~130 000 Psi

Hardness

33~38HRC

Transport Package

Carton or Barrel and Wooden Pallet

Specification

5/8"~1-1/2"

Trademark

HYZ or customer brand

Origin

Hangzhou China

HS Code

7318

Production Capacity

5000000PCS/Month

Key features

High Tensile Strength: Grade 10.9 with tensile strength up to 173,000 PSI for heavy-duty structural applications.

Precise Torque Control: Twist-off design ensures controlled clamping force and confirms completion by shear-off.

Easy Installation: Noiseless installation with electric wrench; no rotation or adjustment needed during fastening.

Multiple Finish Options: Available in Dacromet, black oxide, phosphating, and electronic galvanized for corrosion resistance.

Comprehensive Certification: Certified under ISO 9001, BV, and FPC BC1 with 100% finished product inspection.

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

Wide Size Range: Available in diameters from 1/2" to 1-1/2" and lengths from 1-1/4" to 12".

Fast Lead Time: Average lead time within 15 working days for both peak and off-season orders.

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: ≤6.22h

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.