What is the lead time 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.

Are your products certified?

Yes, we hold ISO9001:2015, ISO45001:2018, and ISO14001 certifications.

Three-Piece Washer Assembly - Oppu Trademark M3 to M20 Specs

Name: Three-Piece Washer Assembly - Oppu Trademark M3 to M20 Specs
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 2177244202

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

US$0.60

1,000-49,999 Pieces

US$0.20

50,000-999,999 Pieces

US$0.10

1,000,000+ Pieces

Product specifications

M

Product profile

Customization

Available

Standard

DIN, ANSI, GB

Material

Stainless Steel

Model NO.

four-piece washer assembly

Connection

Welding

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 Material Options: Available in plastic, aluminum, iron, and stainless steel grades 201, 304, 316.

Wide Standard Compliance: Meets DIN, ANSI, GB, British, American, and metric system standards.

Extensive Surface Treatments: Options include color zinc, nickel plating, chrome plating, and oxidation black.

Customization Capable: Accepts custom orders for non-standard shapes and specifications.

Multiple Head Types: Includes round, flat, countersunk, half round, and hexagon heads.

Hardness Grading: Grades available from 4.8 to 12.9 for carbon steel and A2-70 for stainless steel.

Factory Direct Sales: Direct sales from manufacturer with over 30 years of production experience.

Quality Certifications: Certified with ISO9001:2015, ISO40001:2018, and ISO14001.

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: ≤0.19hTerms 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 the washer assembly?

We offer plastic, aluminum, iron, and stainless steel (grades 201, 304, 316).

Q:Do you accept custom orders?

Yes, we accept custom orders for non-standard shapes and specifications.

Q:What is the minimum order quantity?

The minimum order quantity is 1000 pieces.

Q:What are the available surface treatments?

Options include color zinc, white zinc, blue zinc, nickel plating, oxidation black, chrome plating, copper plating, and imitation gold.

Q:What standards do your products comply with?

Our products comply with DIN, ANSI, GB, British, American, and metric system standards.

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