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Brand Name : TOBO
Model Number : Flat Spring Washers
Certification : ISO/TUV/SGS
Place of Origin : Shanghai, China
MOQ : 1Pcs
Price : Negotiable
Payment Terms : T/T, Western Union
Supply Ability : 15tons per month
Delivery Time : 15-30 Workdays
Packaging Details : Standard Shipping Package
Productname : Flat Spring Washers
Types : Flat Washer
Finish : Zinc Plated
Surface Treatment : Plain/Plated/Anodized/Polish/Passivated
Outerdiameter : 10 mm
Type : Flat Spring Washer
Delivery : 7-15workdays
Inner Diameter : 3mm-30mm
Style : Wedge, Bonded
Product Name
TensiLock Flat Spring Washers
Product Description
Engineered fastening components designed to maintain tension and prevent loosening in bolted assemblies. The split or curved profile creates spring action when compressed, generating continuous preload that resists vibration and movement. A simple but critical component for reliable, long-term connections.
Product Specification
Precision-formed washers manufactured from spring-tempered materials. Available in multiple configurations including split, wave, conical, and tooth styles. Compresses under load to create active tension that counteracts loosening forces. Heat-treated for consistent spring performance over time.
Key Product Parameters
| Parameter | Specification | |
|---|---|---|
| Size Range | #2 to 2" | M2 to M48 |
| Types Available | Split Lock, Wave, Conical (Belleville), Internal Tooth, External Tooth | |
| Material Options | Spring Steel, Stainless Steel 301/316, Phosphor Bronze, Silicon Bronze | |
| Finish Options | Plain, Zinc Plated, Yellow Zinc, Black Oxide, Passivated | |
| Hardness | RC 38-48 (Spring Steel) | |
| Temperature Range | -40°F to +250°F (Standard) / Higher for Specialty Alloys | |
| Standards | ASME B18.21.1, DIN 127, DIN 137, DIN 6796 |
Product Applications
Essential components for maintaining fastener integrity across industries.
Automotive Assembly: Engine components, suspension systems, chassis connections exposed to constant vibration.
Industrial Machinery: Equipment mounts, motor bases, conveyor systems with dynamic loads.
Construction Equipment: Heavy machinery assemblies subjected to continuous operation and shock.
Electronics: Securing components in devices subject to transport vibration and thermal cycling.
Aerospace: Critical fastening applications where loosening cannot be tolerated.
Appliance Manufacturing: Motors, compressors, and vibrating components requiring permanent hold.
Rail & Transportation: Track components, vehicle assemblies, signaling equipment.
Renewable Energy: Solar panel mounts, wind turbine connections exposed to weather and vibration.
Product Advantages
Active tension maintenance delivers benefits passive washers cannot provide.
Vibration Resistance: Continuous spring action absorbs movement and prevents fastener back-out.
Thermal Compensation: Maintains clamp load through temperature cycles as materials expand and contract.
Settling Adjustment: Compensates for material compression, gasket creep, and surface embedding over time.
Permanent Preload: Keeps constant pressure on the joint, preventing loosening from any cause.
No Retightening: Eliminates need for periodic fastener checks in critical applications.
Universal Compatibility: Works with any standard nut, bolt, or screw without modification.
Cost-Effective Protection: Minimal cost addition for significant reliability improvement.
Material Options: Multiple alloys match environmental and conductivity requirements.
Product Features
Distinct design elements for reliable tension maintenance.


Split Gap Design: Helical split creates spring action when compressed flat.
Controlled Thickness: Precision dimensions ensure consistent spring force across production lots.
Heat-Treated Temper: Optimized hardness for maximum spring life without cracking.
Tooth Options: Internal or external serrations for applications requiring additional bite.
Curved Profile: Wave washers provide lighter preload for sensitive assemblies.
Conical Shape: Belleville design delivers high load in minimal space.
Edge Treatment: Burr-free edges prevent damage to mating surfaces.
Corrosion Protection: Available finishes match environmental exposure requirements.
Non-Magnetic Options: Bronze and stainless grades for specialized applications
FAQ
1. Are you trading company or manufacturer ?
We are manufacturer ,You can see the Alibaba certification.
2. How long is your delivery time?
Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ?
Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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Active Preload Maintenance Locks Nuts and Bolts Tight Built-In Tension Retention Compresses to Maintain Pressure Images |