What are the lead times for production?

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

What payment terms do you accept?

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

Which international standards do your washers comply with?

Our washers comply with GB, DIN, ISO, ANSI/ASTM, BS, BSW, and JIS standards, specifically DIN 125 Form A and ISO 7089.

Oppu Brass Flat Washer Assortment M3 M4 M6 M8-M20

Name: Oppu Brass Flat Washer Assortment M3 M4 M6 M8-M20
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 2194074892

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

Brass

Model NO.

brass flat washer

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: Comprehensive range from M1.6 to M64, including common sizes M3 to M30.

International Standard Compliance: Rigorously crafted to meet DIN 125 Form A and ISO 7089 specifications.

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

Customizable Surface Finish: Offers Bright Polished, Zinc-Plated, Black Oxide, Anodizing, and Powder Coating options.

Ideal for Marine Environments: A4 stainless steel grades provide unmatched resistance to chloride and acidic conditions.

Food & Pharmaceutical Safe: A2 grades ensure safety for food processing, kitchenware, and sanitary piping systems.

Custom Packaging Service: Standard collision prevention packing available with customization options upon request.

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 sizes are available for these washers?

We offer a comprehensive range from M1.6 to M64, with commonly stocked sizes including M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, and M30.

Q:What stainless steel grades do you provide?

We provide A2-70/80 (Stainless Steel 304/301) for general corrosion resistance and A4-70/80 (Stainless Steel 316/316L) for superior resistance in marine and chemical environments.

Q:Can I request custom sizes or materials?

Yes, we accept non-standard sizes and various materials including AISI 303/304/316L, Aluminum, Brass, Bronze, and Titanium according to your requirements.

Q:What surface finishes are available?

We offer Bright Polished, Machining, Plain, Zinc-Plated, Black Oxide, Anodizing, Passivation, Galvanized nickel alloy plated, and Powder Coating finishes.

Q:Do you offer free samples?

Free samples are sent after order confirmation, but a sample fee may be charged for high-value products.