What is the size range for these stud bolts?

The size range is M6-M100 and 1/4'-4'.

Is OEM service available?

Yes, OEM service is available with customization from samples.

What are the main applications for these stud bolts?

They are widely used in Oil & Gas, Chemical Industry, Environmental, Building, and B16.5 Flanges Connection.

Alloy Steel ASTM A193 B7 Stud Bolt with Hex Nuts China Suppliers

Name: Alloy Steel ASTM A193 B7 Stud Bolt with Hex Nuts China Suppliers
Brand: Xiamen Qishine Industry Co., Ltd.
SKU: 1910565502

Fujian, ChinaXiamen Qishine Industry Co., Ltd.

US$2.20

10-999 kg

US$2.05

1,000+ kg

Sample price:US$3.00/kg.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Model NO.

SBN-046

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, ASME, ISO, Hg

Grade

12.9

Application

Machinery, Chemical Industry, Environmental, Building, B16.5 Flanges Connection

Finish

Black

Surface Treatment

Black

Delivery

2-4 Weeks

Thread

Full Thread, Unc, Unf

Length

According to Client's Requirement

Size Range

M6-M100, 1/4"- 4"

Transport Package

Plywood Cases/Wooden Boxes

Specification

1/4"-4"

Trademark

Qishine, QS

Origin

China

HS Code

7318159090

Key features

Customizable Dimensions: Length is customized according to client's requirement.

Wide Size Range: Available in sizes from M6-M100 and 1/4'-4'.

Multiple Certifications: Products are API, CE, TUV and ISO certified.

Corrosion Resistant Coatings: Options include Xylan/PTFE, Zinc, and other coatings.

OEM Service Available: Customization from samples is supported.

Low MOQ: Minimum Order Quantity is just 1 piece.

Fast Delivery: Delivery time is 2-4 weeks.

Versatile Applications: Used in Oil & Gas, Chemical, Marine, and Heavy Industry.

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: ≤2.57h

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.