Which international standards do you follow?

We comply with GB, DIN, ISO, ANSI/ASTM, BS, BSW, and JIS standards.

What payment terms do you accept?

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

M8-M20 for Various Applications

Name: Durable Oppu Flat Washers M3/M4/M6/M8-M20 for Various Applications
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 2304649135

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

US$0.05-0.10

1,000 Pieces

Product specifications

M

Product profile

Customization

Available

Type

Flat Gasket

Material

Stainless Steel

Model NO.

Copper Lead Flat Washers

Combination Washer Structure

A Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Specification

M3, M4, M6, M8-M20

Trademark

oppu

Origin

Tianjin

HS Code

7415290000

Production Capacity

5000ton/Year

Key features

Premium Stainless Steel Grades: Available in A2-70/80 (304/301) and A4-70/80 (316/316L) for superior corrosion resistance.

Wide Size Range: Sizes from M1.6 to M64, including common stock sizes M3 through M20.

International Standard Compliance: Fully adheres to DIN 125 Form A and ISO 7089 specifications for unchamfered washers.

Versatile Material Options: Accepts AISI 303/304/316L, Aluminum, Brass, Bronze, and Titanium based on requirements.

Customizable Surface Finish: Offers polishing, zinc plating, black oxide, anodizing, and other finishes as per request.

Ideal for Harsh Environments: Perfect for marine, chemical processing, food processing, and outdoor solar applications.

Precision Thickness Control: Produced with precision-controlled thicknesses adhering to standard metric specifications.

Fast Delivery Time: Average lead time within 15 workdays for both peak and off-peak seasons.

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: ≤0.54hTerms 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 materials are available for these washers?

We accept AISI 303/304/316L, SUS 303/304/316, Aluminum 6061/6063/7075/2024, Brass/Bronze, and Titanium.

Q:What is the size range of the washers?

The size range covers M1.6 to M64, with common stock sizes including M3, M4, M5, M6, M8, M10, M12, M14, M16, and M20.

Q:Do you offer custom surface finishes?

Yes, we accept custom finishes such as machining, plain, polishing, zinc-plated, black oxide, anodizing, passivation, and powder coating.

Q:What are the lead times for orders?

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

Q:Are samples available?

Free samples are sent after order confirmation, though a sample fee may apply for high-value products.

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