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Automatic Locking NF E 25-511 304 Stainless Steel Conical Knurled Spring Washer
US$0.01-0.02
500 Pieces
Sample price:US$0.01/set.Request sample
Product profile
Customization
AvailableType
Spring WasherMaterial
Stainless SteelModel NO.
NF E 25-511Combination Washer Structure
A TypeCombination Washer Packaging
All InclusiveSpring Washer Type
StandardSurface Treatment
Zinc Plated (White/Yellow), Black Oxide, DacrometApplication
Used in Between The Nut and Bolt.OEM
AvailableHardness
HRC 38 – 45Features & Functions
Anti-Loosening, Vibration Resistance, Spring RecovApplication Fields
Automotive, Machinery, Electronics, Electrical EquMinimum Order Quantity
Low MOQ for Trial OrdersTransport Package
Carton+PalletSpecification
M3-M20Trademark
RUIQINOrigin
ChinaHS Code
7318150000Production Capacity
200000000piece/YearsKey features
Anti-Loosening Design: Maintains clamping force under strong vibration, preventing bolt rotation for enhanced reliability.
Friction-Based Locking: Self-locking without special tools, unaffected by lubrication or humidity.
High Durability: Corrosion-resistant materials ensure long-term performance even in harsh conditions.
OEM/ODM Available: Customizable surface treatments including Zinc Plated, Black Oxide, and Dacromet.
Low MOQ for Trial: Support trial orders starting from 500 pcs for standard washers.
Rapid Prototyping: 24-hour sample service with 3-day mass production turnaround for existing tooling.
Global Logistics: 48-hour dispatch for standard products with established partnerships for global shipping.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤4.05h
About Our Factory & Business Background
AddressNo. 13, Luoshan Avenue, Xia Lin Village, Hai'an, Tangxia Town, Rui'an City, Wenzhou, Zhejiang, China
Plant Area1800 square meters
Number of Employees46
Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment
International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW
Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays
Minimum Order Quantity100 pcs
Supply Chain Partners10
Our Production Capability & Technical Expertise
Main ProductsMetal Washer, Retaining Ring, Bearing Clamp
Production Lines3
Production MachinesPunching machine
QA/QC inspectors4 people
Inspection Type for Finished ProductsRandom inspection(Visual inspection)
Inspection Method for Finished ProductsHave instructions and uniformly followed
R&D Engineers3 people
Traceability of Raw MaterialsYes
Our Industry Experience & Global Business Record
Year of Establishment2017-04-07
Main MarketsDomestic
Repeat Buyers Choice80%~100%
Number of Foreign Trading Staff5
Overseas Agent/BranchNo
New Products Launched in Last yearNo
Our Certifications, Standards & Industry Recognition
Cooperated with Fortune 500No
Product Q&A
Q:What is the minimum order quantity?
A:
Standard washers require 500 pcs, while custom designs require 5,000 pcs depending on complexity.
Q:Can I get free samples?
A:
Free samples are available for standard items (customer pays shipping), while custom items require a fee deductible from bulk orders.
Q:What is the sample lead time?
A:
Existing tooling samples take 24 hours plus shipping, while new tooling takes 3-5 business days.
Q:What surface finishes are available?
A:
Options include Zinc/Nickel plating (48-96 hours salt spray), Dacromet (1000+ hours), and Black Oxide.
Q:How do you handle quality issues?
A:
We offer a 48-hour response guarantee and priority replacement shipping for quality issues.
Send Inquiry
*To:
Ruian Ruiqin Standard Parts Co., Ltd.
Ruian Ruiqin Standard Parts Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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