Are free samples available?

Yes, we provide free samples for standard fasteners.

What payment terms do you accept?

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

What are your shipping terms?

We support FOB and CIF terms, shipping from Tianjin port.

Premium Serrated Tooth Lock Washers for Secure Fastening Solutions

Name: Premium Serrated Tooth Lock Washers for Secure Fastening Solutions
Brand: OPPU (Tianjin) Industrial Parts Co., Ltd.
SKU: 2305301845

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

Wide Standard Coverage: Complies with DIN, ASTM/ANSI, JIS, EN, ISO, AS, and GB standards.

Diverse Material Options: Available in Carbon Steel and Stainless Steel grades including SS304 and SS316.

Extensive Finishing Choices: Offers Zinc, HDG, Black Oxide, Geomet, Dacroment, and various plating options.

Custom Fastener Capability: Production process includes Stamping, Machining, and CNC for customized fasteners.

Free Standard Samples: Provides free samples for standard fasteners upon request.

Flexible Lead Time: 10-15 days in slack season and 15-30 days during busy season for custom orders.

Global Market Reach: Exports to North America, South America, Africa, Eastern Asia, Mid East, and Eastern Europe.

Multiple Payment Methods: 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: ≤0.46hTerms 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 standards do your washers comply with?

We comply with DIN, ASTM/ANSI, JIS, EN, ISO, AS, and GB standards.

Q:What materials are available for these washers?

We offer Carbon Steel and Stainless Steel grades including SS201, SS303, SS304, SS316, and SS904L.

Q:What finishing options do you provide?

Finishing options include Zinc (Yellow, White, Blue, Black), Hot Dip Galvanized (HDG), Black Oxide, Geomet, Dacroment, Anodization, and Nickel plating.

Q:Do you offer customized fastener services?

Yes, we provide stamping, machining, and CNC services for customized fasteners.

Q:What is the lead time for customized orders?

Lead time is 10-15 days during slack season and 15-30 days during busy season.