What certifications do you have?

We have CE, SGS, ISO 9001, and ISO9001:2000 quality system certification.

Can you customize the products?

Yes, we offer customization from samples, designs, full customization, and minor customization.

Twist off Type Tension Control Structural Bolts

Name: Twist off Type Tension Control Structural Bolts
Brand: Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.
SKU: 2065165395

Zhejiang, ChinaHangzhou Jiaxiang Gaoqiang Bolts Co., Ltd.

US$0.20-2.00

1,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Round Head

Model NO.

HYZTC109

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

10.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Hot Galvanizing

Other Finish

Black, Dacromet

Pitches

Coarse (Unc) or Fine (Unf)

Thread Type

Partial or Totally Threaded

Metric Size

1/2'' ~ 1 1/2''

Transport Package

Cartons on Pallet or Drums on Pallet

Specification

M12~M36

Trademark

HYZ or customized

Origin

China

HS Code

7318159001

Production Capacity

5 Million Sets/Month

Key features

Proven Project Reliability: Used in major projects like Shenzhen Ping An Building and Hongkong-Zhuhai-Macau Bridge.

High Strength Material: Made from 40Cr/42CrMo/B7/35CrMo alloy steel with grades up to 12.9.

Customizable Options: Offers customized finishes, pitches, thread types, sizes, and head markings.

National QC Standards: Testing center granted as National Enterprise Technology Center with strict QC.

Fast Delivery: 2 days for stock items; 15-20 days for container orders without stock.

Free Sample Offer: Free samples available, customer only needs to cover freight fees.

Certified Quality: ISO9001, CE, SGS certified with 100% finished product inspection.

Large Production Capacity: Annual capacity of 1,500 million pieces with 10 production lines.

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: ≤6.94h

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.