What materials are available for customization?

Customizable materials include 40Cr, 45, 42CrMo, 35CrMo, 304, 316 stainless steel, and others.

Carbon Steel Hexagonal Sleeve Nut Long Hexagonal Coupling Nut M6, M8, M10, M12, M16, M18,

Name: Carbon Steel Hexagonal Sleeve Nut Long Hexagonal Coupling Nut M6, M8, M10, M12, M16, M18,
Brand: Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.
SKU: 1968127121

Fujian, ChinaJinjiang Tagong Hardware Forging Manufacturer Co. Ltd.

US$1,300.00-1,500.00

1 Ton

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW, ASME

Grade

8.8

Material Name

40cr/45/42CrMo/35CrMo

Surfact

Black Oxide

Size

M6-M20

Transport Package

Carton + Pallet

Specification

25KG/Carton

Trademark

as requested by buyer

Origin

China

HS Code

731816

Production Capacity

2500 Ton/Month

Key features

Customizable Materials: Available in 40Cr, 45, 42CrMo, 35CrMo, 304, 316 stainless steel, and more.

Multiple Surface Treatments: Options include Yellow Zinc, Zinc Plated, Black Oxide, Phosphate, Dacromet, and Geomet.

High Load Capacity: Long hexagonal design with full-through threads increases connection strength and prevents loosening.

Wide Size Range: Sizes available from M6 to M20, including M6, M8, M10, M12, M16, and M18.

ISO 9001 Certified: Quality validated by ISO9001 certification and SGS testing for global reliability.

39 Years Experience: Over 39 years of expertise in manufacturing standard and bespoke fasteners.

High Production Capacity: Annual output of 30,000 tons supported by 35 hot-forging machines and 300 machining units.

Versatile Applications: Suitable for mechanical transmission, building structures, automation, and marine equipment.

Company profile

In-stock CapacityQuality AssuranceManagement CertificationPrivate Mold

Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.

Fujian, China

Business Type: Manufacturer/FactoryExport Year: 2021-11-10Nearest Port: Xiamen, Ningbo, ShenzhenAverage Response Time: ≤3.58hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryJinjiang Tagong Hardware Forging Manufacturer Co. Ltd. is identified as a Chinese manufacturer/factory producing a broad range of fasteners and related hardware. The supplier reports multiple customization options, ODM services, new product development within the past year, OEM service for well-known brands, six production lines, and overseas warehouse and showroom capabilities. Export activity has lasted three years, with 31%–40% of sales from exports. Service lead time is reported as within 15 working days in both peak and off-season periods. However, the available evidence shows no SDK, no overseas agents or branches, no continuous quantity reconciliation for production batches, and several procedures without written records. Financial information is limited to stated years rather than performance figures, and the audit result is recorded as 0 without an explained evaluation interpretation. Customer cases are not specifically identified.

Supplier typeThe supplier is explicitly identified as a manufacturer/factory and limited company based in Fujian, China, with fasteners and related hardware as its primary product range. Its offering profile covers manufacturing, export, service, quality control, R&D, and sustainability information.

R&D capabilityThe supplier reports that it developed new products during the past year and provides ODM services, supporting active product-development capability. It also reports no available SDK, which limits the evidence for software or SDK-based development but does not negate the stated hardware R&D capability.

Production capacityThe supplier is a manufacturer/factory with six production lines and a broad fastener and hardware product portfolio. However, it does not continuously reconcile quantities for each batch or mass-production run, indicating a documented production-control weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM capability, providing direct evidence of broad customization support.