Can you provide OEM services?

Yes, we accept OEM orders. You can customize material, surface treatment, and specifications.

What certifications does the factory have?

The factory is certified with ISO9001/2015, GB/T19001-2016, and holds an SGS certificate test.

How are the nuts packed?

Standard packing is 25kg per carton or 1.5-2.5 tons per pallet. Custom packaging is available upon request.

OEM Carbon Steel Heavy Nuts Hex Nuts Black Oxide DIN934

Name: OEM Carbon Steel Heavy Nuts Hex Nuts Black Oxide DIN934
Brand: Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.
SKU: 2045802595

Fujian, ChinaJinjiang Tagong Hardware Forging Manufacturer Co. Ltd.

US$1,550.00

3-4 Tons

US$1,500.00

5-9 Tons

US$1,450.00

10+ Tons

Sample price:US$35.00/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, ISO Uni

Grade

10.9

Material Name

40cr/45/42CrMo/35CrMo

Property Class

Class10

Surface Treatment

Black Oxide

Transport Package

Carton+Pallet

Specification

25kg/carton

Trademark

as requested by buyer

Origin

China

HS Code

73181600

Production Capacity

1500tons/Month

Key features

Custom Material Options: Material can be customized to 40cr, 45, 42CrMo, or 35CrMo.

Surface Treatment Variety: Options include Plain+oil, Zinc Plated, Black Oxide, Phosphate, Dacromet, and Geomet.

High Strength Grade: Available in mechanical property classes 6, 8, 10, and 12.

OEM Service Accepted: We accept OEM orders for special or standard nuts based on customer specifications.

ISO9001 Certified: Certified with ISO9001/2015, GB/T19001-2016, and SGS certificate test.

35+ Years Experience: Specialized in producing nuts since 1985 with over 35 years of manufacturing expertise.

Global Export Capability: Products exported to Europe, Australia, North America, and South Asia.

Flexible Packaging: Standard 25kg/carton or 1.5-2.5 tons/pallet, customizable as requested by buyer.

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: ≤4.61hTerms 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.