What are the available size and strength grades?

Sizes range from M4 to M100. Strength grades include 4.8, 8.8, 10.9, and 12.9 to adapt to high-strength bolt applications.

Do you support OEM or ODM services?

Yes, we provide full OEM and ODM services, allowing customization of color and other head types according to your specific requirements.

10 Square Coupling Nuts

Name: China Suppliers DIN557 M5/6/8/10 Square Coupling Nuts
Brand: Tianjin Suncosun Import and Export Co., Ltd.
SKU: 2130106732

Tianjin, ChinaTianjin Suncosun Import and Export Co., Ltd.

US$0.10-0.15

1,000 Pieces

Product profile

Customization

Available

Material

Aluminum/Stainless Steel / Carbon Steel/Tianium/B

Type

Hexagon Head

Model NO.

SKS-SN-35

Connection

Common Bolt

Head Style

Hexagonal

Standard

DIN, ANSI

Color

We Can Provide Customized Services According to Yo

Other Head Type

Square Type, T Type ,Wing Type, U Type,Round Type,

Service

OEM or ODM

Transport Package

Wooden Case

Specification

All size

Trademark

customer brand or logo

Origin

China

HS Code

7616100000

Production Capacity

1000tons/Month

Key features

Multiple Material Options: Available in Aluminum, Stainless Steel, Carbon Steel, and Titanium.

Customizable Head Types: Offer Square, T, Wing, U, and Round types based on customer drawings.

Diverse Surface Treatments: Options include Black, Zinc Plated, Yellow Zinc, H.D.G, and Dacroment.

Wide Size Range: Sizes available from M4 to M100 to meet various connection needs.

High Strength Grades: Available in Grade 4.8, 8.8, 10.9, and 12.9 for demanding applications.

Anti-Loosening Design: Wedge design generates lifting tension to enhance stability in vibration.

OEM and ODM Services: Full customization support according to customer specifications and drawings.

Strict Quality Control: ISO process compliance with manual and machine screening at every step.

Company profile

Tianjin Suncosun Import and Export Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Trading CompanyExport Year: 2009-08-01 CertifiedNearest Port: Tianjin PortAverage Response Time: >24h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

About Our Factory & Business Background

AddressRoom 721, Guanchenge, Tianmu Town, Beichen District, Tianjin, China

Plant Area170 square meters

Number of Employees3

Registered Capital500,000 RMB

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

Our Production Capability & Technical Expertise

Main ProductsNails, Staples, Brads, Hardwares, Stamping Parts, Air Tools, Furniture Accessories

R&D Engineers1 people

Our Industry Experience & Global Business Record

Year of Establishment2007-08-22

Main MarketsEurope, Southeast Asia/ Mideast, Australia

Number of Foreign Trading Staff2

Overseas Agent/BranchNo

Our Certifications, Standards & Industry Recognition

Management System CertificationOthers

Product Q&A

Q:Are you a factory or a trading company?

We are a manufacturer. Factory direct sales ensure the best price and guaranteed quality. We also assist customers in integrating resources and purchasing if needed.

Q:What types of customized parts do you provide?

We manufacture suitable fasteners according to customer drawings and specifications for special needs. Custom options include Square, T, Wing, U, and Round head types.

Q:How does your company guarantee product quality?

We follow the ISO process from source to delivery. Each link is monitored by a dedicated department, and we use both manual and machine screening with fully inspection systems.

Q:What materials are available for these nuts?

We provide Aluminum, Stainless Steel, Carbon Steel, and Titanium options to suit different environmental and strength requirements.

Q:What surface treatments are offered?

Available treatments include Black, Zinc Plated, Zinc (Yellow) Plated, H.D.G, and Dacroment to ensure durability in various conditions.