What are the available material grades?

We provide high-strength steel fasteners in grades 4.8, 8.8, 10.9, and 12.9.

What standards do your products comply with?

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

Reliable Counterbored Square Neck Bolt and High-Strength Irregular Fasteners

Name: Reliable Counterbored Square Neck Bolt and High-Strength Irregular Fasteners
Brand: Handan Daduo Metal Products Co., Ltd.
SKU: 2221301735

Hebei, ChinaHandan Daduo Metal Products Co., Ltd.

US$0.05-0.50

10,000 Pieces

Sample price:US$0.06/piece.Request sample

Product profile

Customization

Available

Material

High Strength Steel

Type

Round Head

Model NO.

M10-M30

Connection

Common Bolt

Head Style

Round

Standard

DIN, ANSI, GB, BSW

Grade

4.8/8.8/10.9/12.9

Application

Machinery, Environmental, Building

Finish

Black

Another Name

Counterbored Square Neck Bolt

Testing

Salt Spray Test

Feature

Rust Anti

Item

Fasteners

Head

Round

Transport Package

Boxes

Specification

M10-M30

Trademark

Da Duo

Origin

China He Bei

Production Capacity

8000 Tons/Year

Key features

High-Strength Options: Available in grades 4.8, 8.8, 10.9, and 12.9 for diverse load requirements.

Rust Anti Finish: Black finish with salt spray test certification for enhanced corrosion resistance.

OEM/ODM Service: Custom logo and design imprinting available for personalized branding needs.

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

Wide Specification Range: Sizes from 5mm-20mm and lengths from 16mm-400mm to fit various applications.

Fast Shipping for Stock: In-stock items guaranteed to ship within one week for urgent orders.

Global Export Experience: Products exported to North America, Europe, Asia, and other international markets.

Professional Manufacturer: Established in 2003 with over 60 employees and specialized technical personnel.

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: ≤0.07hTerms 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.