Is the manufacturer certified?

Yes, we are certified under ISO9001:2015, ISO45001:2018, and ISO14001.

Oppu Carbon Steel Black Oxide Hex Nut Set M3-M6

Name: Oppu Carbon Steel Black Oxide Hex Nut Set M3-M6
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 2194354932

Tianjin, ChinaOPPU (Tianjin) Industrial Parts Co., Ltd.

US$0.05-0.10

10,000 Pieces

Product specifications

M

Product profile

Customization

Available

Standard

DIN, ANSI, BSW

Material

Stainless Steel

Model NO.

GB/T 6170 Black Oxide Hex Nut

Connection

Female

Surface Treatment

Galvanized Sheet

Head Type

Hexagon

Specification

M3, M4, M6, M8-M20

Trademark

oppu

Origin

Tianjin

HS Code

7415290000

Production Capacity

5000ton/Year

Key features

Diverse Size Range: Available in sizes from M8 to M64 with detailed pitch and dimension specifications.

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

ISO Certified Quality: Manufactured under ISO9001:2015, ISO45000:2018, and ISO14001 management systems.

Fast Lead Time: Production completed within 15 working days for both peak and off-peak seasons.

Flexible Payment: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Manufacturer Direct: Direct supply from a manufacturer with over 10 years of experience since 2012.

High Repeat Buyer Rate: 80% to 100% repeat buyer rate indicating high customer satisfaction.

Fortune 500 Partner: Trusted supplier with established cooperation with Fortune 500 companies.

Company profile

Cooperated with Fortune 500Self-brandedFast DeliveryQuality Assurance

OPPU (Tianjin) Industrial Parts Co., Ltd.

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading CompanyExport Year: 2025-06-01Nearest Port: tianjinAverage Response Time: ≤0.25hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CIF

About Our Factory & Business Background

AddressTianjin Xiqing Automobile Industrial Zone (Zhangjiawo Industrial Zone), No. 11 Taijin Road, Zone 1, Tianjin, China

Plant Area2834 square meters

Number of Employees34

Registered Capital10,000,000 RMB

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1000 pcs

Supply Chain Partners200

Our Production Capability & Technical Expertise

Main ProductsHardware Fastener, Bolts, Nuts, Screws, Washer, Industrial Parts, Pins, Studs

Our Industry Experience & Global Business Record

Year of Establishment2012-08-06

Main MarketsAfrica, Domestic

Repeat Buyers Choice80%~100%

Number of Foreign Trading Staff3

Overseas Agent/BranchNo

Our Certifications, Standards & Industry Recognition

Management System CertificationISO9001:2015, ISO45001:2018, ISO14001, Others

Cooperated with Fortune 500Yes

Product Q&A

Q:What is the minimum order quantity?

The minimum order quantity is 1000 pieces.

Q:What are the available payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Q:How long is the production lead time?

The average lead time is within 15 working days for both peak and off-peak seasons.

Q:What standards do your products comply with?

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

Q:What is the delivery port?

The nearest port is Tianjin.

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