What are the available payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the lead time for production?

The average lead time is one month for both peak and off-peak seasons.

Can you provide OEM services?

Yes, we offer OEM services including customization from samples.

Zhangzhou QS ASTM A193 B7 Black Coated Stud Bolt with Two Nuts

Name: Zhangzhou QS ASTM A193 B7 Black Coated Stud Bolt with Two Nuts
Brand: Xiamen Qishine Industry Co., Ltd.
SKU: 2156027795

Fujian, ChinaXiamen Qishine Industry Co., Ltd.

US$1.99-9.99

500 kg

Sample price:US$5.60/kg.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

QSZ 24 F 129

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

12.9

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Black

Screw Thread

Full Thread

Color

Colored Zinc

Length

Customizable

Service Life

Long

Decay Resistance

High

Transport Package

Plywood Cases/Wooden Cases

Specification

1/2 to 4 inch

Trademark

Qishine, QS

Origin

China

Key features

High Tensile Strength: A193 B7 material ensures 860 MPa tensile strength and 720 MPa yield strength.

Corrosion Resistance: Black coating and zinc finish provide superior protection in harsh environments.

Customizable Length: Length is fully customizable to meet specific project requirements.

Wide Size Range: Available in sizes from 1/2 inch to 4 inches for diverse applications.

Multiple Certifications: Certified by API, CE, TUV, and ISO standards for quality assurance.

OEM Service Available: Customization from samples is supported for tailored solutions.

Rigorous Quality Control: Strict inspection protocols ensure conformity with ASTM standards.

Low Minimum Order: Minimum Order Quantity is 1 piece, suitable for small projects.

Company profile

Importers and ExportersYears of Export ExperienceLow MOQCustomization from Samples

Xiamen Qishine Industry Co., Ltd.

Fujian, China

Business Type: Manufacturer/Factory, Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples CertifiedExport Year: 11 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤2.40h

AI-Powered supplier vetting

SummaryThe supplier is a Xiamen-based limited trading company offering fasteners, gaskets, and flanges. It reports annual fastener productivity of 7,500 tons, exports 90% of sales, serves South America, Europe, and North America, and states one-month lead times in both peak and off-peak seasons. Customization from samples is available. However, the supplier reports no available SDK, no new products launched in the past year, no inventory, no overseas agents or branches, no overseas warehouse or showroom, and no offline trade-show participation. Quality and service controls show material gaps: there are no written corrective/preventive-action or complaint-handling procedures, and quality-control test equipment is reported as zero. An ISO 9001:2015 certificate is stated, but financial strength, customer cases, and several traceability and outsourcing controls cannot be adequately assessed from the provided information.

CertificationsThe supplier states that it holds an ISO 9001:2015 certificate. The provided information confirms the stated certification but does not provide certificate validity, scope, issuer, or audit details.

After-Sales capabilityAfter-sales and service infrastructure appears limited: there are no written corrective/preventive-action or customer-complaint procedures or records, no inventory, no overseas warehouse, no overseas showroom, no overseas agents or branches, and no overseas service countries reported. Service assessment has records but no written procedure, and some qualified supplier names were provided.

R&D capabilityThe supplier reports no available SDK and no new products launched during the past year. These explicit statements indicate limited demonstrated innovation capability for the evaluated areas.

Production capacityThe supplier reports fastener productivity of 7,500 tons annually and one-month order lead times in both peak and off-peak seasons, with export markets in South America, Europe, and North America. However, it also reports no in-stock capability, while outsourcing procedures and manufacturing contracts are unknown; the stated output supports capacity, but the overall manufacturing model is not fully validated.

Customization capabilityThe supplier explicitly offers customization from samples. This supports a demonstrated sample-based customization service, although no details are provided on engineering resources, tooling, or development lead times.