What certifications does the manufacturer hold?

Our management system is certified under ISO9001:2015, ISO45001:2018, and ISO14001.

What is the minimum order quantity?

The minimum order quantity (MOQ) is 1 ton.

Where is the product manufactured?

The place of origin is Hebei, China.

Durable Tooth Lock Washers by Oppu - M3 M4 M6 M8-M20 Range

Name: Durable Tooth Lock Washers by Oppu - M3 M4 M6 M8-M20 Range
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 2313538505

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

US$0.03

1,000-4,999 Pieces

US$0.01

5,000-9,999 Pieces

US$0.005

10,000+ Pieces

Product specifications

M

Product profile

Customization

Available

Type

Flat Gasket

Material

Stainless Steel

Model NO.

Serrated Lock Washers Internal and External Teeth

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Light Weight

Specification

M3, M4, M6, M8-M20

Trademark

oppu

Origin

Tianjin

HS Code

7415290000

Production Capacity

5000ton/Year

Key features

DIN 6797 Standard Compliance: Manufactured to meet DIN 6797 standards for reliable fastening performance.

Three Distinctive Forms Available: Offering Form A, Form J, and Form V to suit various screw head and surface conditions.

Robust Anti-Loosening Design: Internal and external serrations provide exceptional grip to prevent unwarranted movement.

Wide Size Range: Available in sizes from M2 to M30 to accommodate diverse industrial needs.

OEM and ODM Services: Custom manufacturing services available to meet specific client requirements.

ISO Certified Manufacturer: Certified under ISO9001:2015, ISO45001:2018, and ISO14001 for quality assurance.

Fast Lead Time: Peak and off-peak season lead times are both within 15 working days.

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

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: ≤4.16hTerms 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 are the available forms of the lock washers?

We offer three forms: Form A with external serrations, Form J with internal serrations, and Form V with a conical design.

Q:What is the size range for these washers?

The washers are available in a wide range from M2 to M30.

Q:Do you offer customization services?

Yes, we provide OEM and ODM services to meet your specific needs.

Q:What is the lead time for orders?

Both peak and off-peak season lead times are within 15 working days.

Q:What payment methods do you accept?

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

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