What surface treatment options are available?

We provide Black, Zinc, or customized surface treatments to meet specific requirements.

What material grades are available for these hex nuts?

Our hex nuts are available in high-strength steel with grades 4.8, 8.8, 10.9, and 12.9.

What standards do your products comply with?

Our products comply with DIN, ANSI, and GB standards.

Chinese Fasteners Hex Nuts High-Strength with Black Surface Treatment

Name: Chinese Fasteners Hex Nuts High-Strength with Black Surface Treatment
Brand: Handan Daduo Metal Products Co., Ltd.
SKU: 2216109675

Hebei, ChinaHandan Daduo Metal Products Co., Ltd.

US$0.02-0.10

10,000 Pieces

Sample price:US$0.02/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Hexagon Head

Model NO.

M5-M30

Connection

Common Bolt

Head Style

Hex

Standard

DIN, ANSI, GB

Grade

4.8/8.8/10.9/12.9

Surface Treatment

Black/Zinc/Customized

Testing

Salt Spray Test

Package Gross Weight

25.3kgs

Size

M5-M30

Transport Package

Boxes

Specification

18*15*18mm

Trademark

Da Duo

Origin

China He Bei

Production Capacity

8000 Tons/Year

Key features

Customized Surface Treatment: Offers Black, Zinc, or fully customized surface treatment options for hex nuts.

High Strength Grades: Available in Grade 4.8, 8.8, 10.9, and 12.9 for superior load-bearing capacity.

OEM/ODM Services: Supports custom logo and design imprinting on products for brand identity.

Large Production Capacity: Annual output exceeds 8,000 tons with 30 sets of cold heading machines.

Salt Spray Testing: Products undergo rigorous salt spray tests to ensure corrosion resistance.

Multiple Standards: Complies with DIN, ANSI, and GB standards for global compatibility.

Fast Shipping for Stock: In-stock items are guaranteed to ship within one week of order confirmation.

Wide Size Range: Sizes range from M5 to M30, with lengths from 16mm to 400mm.

Company profile

High Repeat Buyers ChoiceQuality AssuranceQA/QC InspectorsIn-stock Capacity

Handan Daduo Metal Products Co., Ltd.

Hebei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Designs, Full Customization, etc.Export Year: 2011-03-17Nearest Port: TianjinAverage Response Time: ≤0.09hTerms of Payment: LC, T/T, D/P

About Our Factory & Business Background

AddressLinmingguan Town Xiduanzhuang Industrial Zone, Handan, Hebei, China

Plant Area2193.1 square meters

Number of Employees26

Registered Capital2,000,000 RMB

International Commercial Terms(Incoterms)FOB

Average Lead TimePeak Season Lead Time: 1-3 months Off Season Lead Time: one month

Our Production Capability & Technical Expertise

Main ProductsBolt, Carriage Bolt, Nut, Washer, Screw, Stud

Production Lines25

Production MachinesWire drawing machine, Cold heading and thread rolling machine

QA/QC inspectors2 people

Inspection Type for Finished ProductsRandom inspection(Visual inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

R&D Engineers1 people

Traceability of Raw MaterialsNo

Our Industry Experience & Global Business Record

Year of Establishment2022-08-05

Main MarketsNorth America, Southeast Asia, Africa, Eastern Asia

Repeat Buyers Choice80%~100%

New Products Launched in Last yearNo

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:Can I obtain samples?

Yes, samples are available upon request.

Q:Can I use my own logo or design on the product?

Yes, we offer OEM/ODM services; your logo and design can be imprinted on the product.

Q:Do you have a factory?

Yes, we have a factory in Hebei. You are welcome to visit our company and factory. We are a professional manufacturer, providing OEM/ODM services to our customers.

Q:What is the production capacity of your factory?

Our factory boasts 30 cold heading machines of various sizes, employs nearly 60 skilled workers, and has an annual production capacity of 8,000 tons.

Q:When will the goods be shipped?

Some of our products are in stock and guaranteed to be shipped within one week. For customized orders, they will be shipped within one month after production is arranged. The specific situation may vary depending on local government policies. We can maintain communication at any time to keep abreast of the production and shipping progress.