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Durable A193 Gr B7 Full-Thread Black Fasteners for Heavy Duty
US$0.25
1,000-9,999 Pieces
US$0.23
10,000+ Pieces
Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Alloy Steel

Type

Hexagon Head

Model NO.

Bolts1

Connection

Common Bolt

Head Style

Hexagonal

Standard

ASTM A193

Grade

L7

Application

Machinery, Chemical Industry, Environmental, Building

Finish

Slive or Other

Strength Level

8.8

Surface Treatment

Dacrotizing

Substance

A193

Thread Type

Standard

Transport Package

Carton or Pallet

Specification

1/2inch

Trademark

ANTEMAKERX OR ODM/OEM

Origin

Shenzhen China

HS Code

7326909000

Key features

High Strength Grade: Strength level 8.8 Grade ensures durability for heavy-duty applications.
Dacrotizing Finish: Surface treatment provides superior corrosion resistance.
Wide Application Range: Suitable for machinery, chemical industry, environmental, and building sectors.
OEM and ODM Support: We leverage skilled engineers to support custom design and manufacturing.
Fast Delivery: 5-10 days for stock items, 30-35 days for customized orders.
Free Samples Available: Samples are provided free of charge, excluding freight costs.
Global Export Experience: Products exported to USA, Germany, UK, Canada, and Australia since 2008.
Flexible Payment Terms: 100% advance for orders under 1000 USD, 30% T/T for larger orders.

Company profile

Shenzhen Hongyian Technology Co. Ltd
Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceFast Delivery
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2008-09-01Nearest Port: Yantian portAverage Response Time: ≤0.88hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryShenzhen Hongyian Technology Co. Ltd is identified as both a trading company and manufacturer/factory in China, with products focused on rigging hardware, cable railing fittings, valves, and related components. The supplier reports ISO 9001 certification, 6–10 years of R&D engineer experience, 6–10 quality-control staff, extensive customization services, and more than two decades of export experience. Its products are mainly exported to the United States, Germany, Britain, Canada, Australia, and other countries. Evidence also shows new products were developed during the past year. However, ODM availability is inconsistently reported: one record states ODM is unavailable, while the company description claims acceptance of OEM and ODM orders. No SDK is available, raw-material traceability is unknown, sustainability-control status is unknown, and the cited SGS audit record has an evaluation result of 0. Financial information is present only as reporting-year references, without sufficient evidence to assess...
Supplier typeThe supplier is described as a trading company in one record and as both a trading company and manufacturer/factory in another. It is a limited company located in Shenzhen, Guangdong, China, so its business classification is mixed rather than exclusively manufacturing.
CertificationsThe supplier reports ISO 9001 certification. An SGS audit record is also provided, but its stated evaluation result is 0 and the report validity ended on 2025-07-02, so the audit record does not independently establish a favorable current compliance status.
After-Sales capabilityThe company describes its staff as committed to thoughtful customer service and states that it provides fast delivery, quick response, and great services. These are explicit service claims, but the slices do not provide detailed after-sales procedures, response targets, warranty terms, or complaint-resolution records.
R&D capabilityThe supplier states that it had new products during the past year and reports 6–10 years of total R&D engineer experience. However, it has no available SDK, and the slices do not quantify R&D investment or provide product-development examples; the evidence supports some innovation activity but not a broad technical-development advantage.
Customization capabilityThe supplier explicitly lists customization from samples, designs, full customization, minor customization, and flexible customization. It also describes engineers with designing experience and reports accepting OEM and ODM orders, although another record explicitly states that ODM service is unavailable; customization is clearly offered, but ODM capability is inconsistent across the records.

Product Q&A

Q:What materials can you supply?
A:
Stainless steel, Alloy steel, or Carbon steel
Q:How long is your delivery time?
A:
Generally 5-10 days if goods are in stock, or 30-35 days if not, depending on quantity.
Q:Do you provide samples? Are they free or extra?
A:
Yes, we offer samples free of charge but do not cover the freight cost.

Send Inquiry

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