What are the available sizes for M30 nuts?

Available sizes include M20, M22, M24, M27, M30, and M36 with specific mechanical properties.

How are the nuts packaged?

Standard packing is 25kg/carton or 1.5-2.5 tons/pallet, but can be customized as requested.

Where is the factory located?

The factory is located in Jinjiang City, Fujian Province, China, near Xiamen, Ningbo, and Shenzhen ports.

Premium Carbon Steel Black Class 10 M30 Hex Nuts for Heavy-Duty Applications

Name: Premium Carbon Steel Black Class 10 M30 Hex Nuts for Heavy-Duty Applications
Brand: Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.
SKU: 1965823635

Fujian, ChinaJinjiang Tagong Hardware Forging Manufacturer Co. Ltd.

US$0.338

30,000-49,999 Pieces

US$0.332

50,000-99,999 Pieces

US$0.321

100,000+ Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

ISO7414-M30-Black

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW

Grade

10.9

Material Name

Steel 45

Property Class

Class8

Surface Treatment

Black Oxide

Product Usages

Truck Parts/Workpiece/Machine Parts/Wheel Parts

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 name can be replaced with Steel 45, 40Cr, 35CrMo, or 42CrMo.

Multiple Surface Treatments: Available in Plain+oil, Zinc Plated, Black Oxide, Phosphate, Dacromet, and Geomet.

35+ Years Experience: Established in 1985 with over 35 years of expertise in fastener manufacturing.

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

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

Wide Size Range: Available in sizes M20, M22, M24, M27, M30, and M36 with detailed specs.

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

Specialty Fasteners: Expert in standard and special nuts like Slotted, Nylon insert, and Flange nuts.

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: ≤4.89hTerms 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.