What certifications does the product have?

Our products are certified under ISO9001:2015, IATF 16949, SGS, and ROHS.

What surface treatments are available?

We provide carburization, tempering, or high-frequency quenching as surface treatment options.

How is the product packed?

Packing options include bulk, carton with pallet, small boxes with carton and pallet, or custom requests.

Irregular Fastener High-Quality Hex Socket Bolt

Name: Irregular Fastener High-Quality Hex Socket Bolt
Brand: Ningbo Yinzhou Gangsheng International Trade Co., Ltd.
SKU: 2142205442

Zhejiang, ChinaNingbo Yinzhou Gangsheng International Trade Co., Ltd.

US$0.01-0.15

10,000 Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Round Head

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, JIS, BSW, GOST

Grade

8.8

Application

Machinery, Chemical Industry, Environmental

Finish

Hot-Working

Condition

New

Craftwork

Cold Heading

Delivery

According to The Order Quantity

Transport Package

PE Bag + Cartons

Specification

OEM

Trademark

Origin

China

Key features

Customized Size Service: Factory provides OEM/ODM services to manufacture bolts in sizes as per customer requirements.

Anti-Theft Design: Features a plum blossom star-shaped groove with optional central protrusion requiring special tools for disassembly.

Enhanced Torque Efficiency: Star-shaped groove design eliminates radial force, reduces tool slippage, and prolongs screw life.

Wide Material Selection: Available in Zinc-nickel alloy, Carbon steel, SUS304, SUS316, and Brass to suit various applications.

Comprehensive Certifications: Holds ISO9001:2015, IATF 16949, SGS, and ROHS certifications ensuring high quality standards.

Multiple Surface Treatments: Offers carburization, tempering, or high-frequency quenching for superior corrosion resistance.

Flexible Packing Options: Supports bulk, carton, pallet, or custom packaging requests to meet specific shipping needs.

Global Standard Compliance: Manufactured to meet ISO, BS, ANSI, GB, DIN, JIS, and Nonstandard specifications.

Company profile

Ningbo Yinzhou Gangsheng International Trade Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-12-01Nearest Port: Shenzhen, Shanghai, NingboAverage Response Time: ≤5.28hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryNingbo Yinzhou Gangsheng International Trade Co., Ltd. is a China-based limited trading company that also identifies as a manufacturer/factory, with operations in Zhejiang and a factory location reported in Guangdong. It focuses on lithium-battery energy-storage products, including portable power stations and generators, and reports applications across portable, residential, UPS, and industrial/commercial energy storage. The supplier states that its products hold CE, FCC, and PSE certifications and that its management systems hold BSCI and ISO 9001 certifications. Reported operational indicators include eight production lines, 11–20 quality-control staff, and annual output of 100,000 power-station and generator units. It reports 90% export sales, self-operated import/export rights, and exporting since 2010. Evidence supports production experience, export capability, and certification claims, but is insufficient to confirm after-sales capability, financial credibility, customization services, or named...

Supplier typeThe supplier is identified as a trading company in its basic information, while its business-entity classification also states "Trading Company,Manufacturer/Factory." It reports a factory in Guangdong/Shenzhen, production lines, quality-control staff, and product output, supporting a hybrid trading-and-manufacturing profile.

CertificationsThe company states that its products have passed CE, FCC, and PSE certifications, and reports BSCI and ISO 9001 supplier-management-system certifications. These are explicit certification claims, although the provided information does not include certificate numbers, validity dates, or issuing bodies.

R&D capabilityThe supplier reports a strong R&D team, engineers with more than 10 years of lithium-ion vehicle-battery R&D experience, and an Industry 4.0 intelligent manufacturing system. It also describes a focus on innovative lithium-battery energy-storage products and sustainable technology, providing positive evidence of innovation orientation, although the separate data reports total R&D-engineer experience as less than five years and creates an unresolved inconsistency.

Production capacityThe supplier reports a Guangdong factory, eight production lines, 11–20 quality-control staff, an independent product test line, advanced testing equipment, and annual production of 100,000 power stations and generators. These stated facilities and output figures provide explicit evidence of established production capability.

Product Q&A

Q:Can the bolt size be customized?

Yes, we provide OEM/ODM services and can manufacture the size according to your specific requirements.

Q:What materials are available for this bolt?

We offer Zinc-nickel alloy, Carbon steel, SUS304, SUS316, and Brass.

Q:What is the lead time for production?

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

Q:What payment terms do you accept?

We accept LC, T/T, and PayPal. For T/T, a 30% deposit is required in advance with the 70% balance before shipment.

Q:Does the bolt have anti-theft features?

Yes, the design includes a plum blossom star-shaped groove, and some models feature a central columnar protrusion to prevent unauthorized disassembly.