What is the lead time for production?

Peak season lead time is 3-6 months, while off-season lead time is 1-3 months.

What are the payment terms?

We accept LC and T/T payment terms.

How should I request a quote?

Please contact us with detailed requirements before placing an order, as material prices are unstable.

GB812 DIN985 DIN934 DIN935 M36 DIN937 Castle Nut

Name: GB812 DIN985 DIN934 DIN935 M36 DIN937 Castle Nut
Brand: Jinjiang Tagong Hardware Forging Manufacturer Co. Ltd.
SKU: 2015238135

Fujian, ChinaJinjiang Tagong Hardware Forging Manufacturer Co. Ltd.

US$1,800.00

3-4 Tons

US$1,750.00

5-9 Tons

US$1,680.00

10+ Tons

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

Slotted Nut-DIN937-Black

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI, GB, JIS, GOST, BSW, ISO Uni

Grade

8.8

Material Name

Steel 45

Property Class

Class8

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

Wide Size Range: Available sizes from M8 to M110 to meet diverse application needs.

Multiple Material Options: Offered in Medium Carbon Steel, Alloy Steel, and Steel 45.

Diverse Surface Treatments: Options include Plain+Oil, Zinc, Black Oxide, HDG, Phosphate, and Dacromet.

High Grade Strength: Available in Grade 8.8, Class 8 to Class 12 for superior performance.

Global Standard Compliance: Meets DIN, ANSI, GB, JIS, GOST, BSW, and ISO specifications.

OEM Customization: Accepts OEM orders with custom drawings for standard and special slotted nuts.

ISO 9001 Certified: Manufacturing facility certified with ISO9001/2015 and SGS standards.

Experienced Manufacturer: Over 35 years of experience in forging and manufacturing fasteners.

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: ≤4.08hTerms 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.