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ASTM A490tc Bolt with Round Head Grade 10.9

Name: ASTM A490tc Bolt with Round Head Grade 10.9
Brand: Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
SKU: 929368245

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

Model NO.

JX20TC016

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 Strength Grade 10.9: Made from high strength steel with tensile strength up to 173,000 psi.

Tension Control Technology: Ensures controlled clamping force and accurate performance without high-level technique.

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

Strict Quality Control: ISO9001 certified with 100% inspection and 3.1 quality certificates per shipment.

Professional Manufacturer: Factory established in 2007 with over 13 years of experience in high strength bolts.

High Production Capacity: Capable of producing 500 MT/month for bolts and 500,000 pcs/month for shear studs.

Easy Installation: Noiseless installation using electric wrench with no need for wrench adjustment.

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

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: ≤3.30h

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.