Zinc Plating Lock Collar
2.Material:45# steel,40Cr,20CrMnTi,40CrNiMo,304 stainless steel,316 stainless steel
3.Strength Grade:4.8,8.8,10.9,12.9
4.Manufacturing Processes:Cold heading,hot heading,stamping,thread forming
5.Surface Treatments:Galvanising,blackening
6.Heat Treatment:Yes
7.Applications:Mechanical manufacturing,automotive industry,construction engineering,shipbuilding
8.Production Time:35-60 days
- Product Description
Zinc Plating Lock Collar - Superior Protection for Industrial Applications
Looking for reliable shaft retention with enhanced corrosion resistance? Henan Yizhi Machinery's Zinc Plating Lock Collar conveys enterprise-grade assurance through progressed electrolytic galvanization forms. Our collars highlight zinc thickness extending from 5-15 microns per ASTM B633 measures, accomplishing 48-96 hours in salt splash tests. Fabricated from premium materials counting 45# steel and stainless steel grades, each collar experiences exactness CNC machining and cleverly warm treatment. With 15 a long time of generation skill, we guarantee harm rates underneath 0.1% through customized bundling arrangements and provide inside 35-60 days.

What Is a Zinc Plating Lock Collar?
The item is a precision-engineered mechanical maintenance gadget fabricated from high-grade carbon steel or stainless steel. The component experiences an electrolytic galvanization handle that stores a defensive zinc layer on the surface.
Unlike standard dark oxide collars, this coating gives conciliatory anode assurance. The zinc erodes specially to ensure the fundamental steel substrate. This makes prevalent erosion resistance in direct mugginess environments.
The collar addresses two basic industry challenges. To begin with, it kills the tall capital costs of overhauling to stainless steel for non-washdown situations. Moment, it avoids utilitarian disappointments caused by seized set screws amid support intervals.
Key Features and Specifications
| Parameter | Specification |
|---|---|
| Material Options | 45# steel, 40Cr, 20CrMnTi, 40CrNiMo, 304 stainless steel, 316 stainless steel |
| Strength Grades | 4.8, 8.8, 10.9, 12.9 |
| Manufacturing Process | Cold heading, hot heading, stamping, thread forming |
| Surface Treatments | Galvanizing, blackening |
| Heat Treatment | Available |
| Bolt Head Types | Hexagonal head, internal hex head, countersunk head |
| Nut Profiles | Hex nut, flanged nut, lock nut |
| Nominal Diameter | Customized |
| Shank Length | Customized |
| Production Time | 35-60 days |
Applications Across Industries
Material Handling Systems
In warehousing robotization, these collars secure rollers and drive components successfully. They stand up to surrounding stickiness and condensation in uncontrolled dispersion centers. This avoids seized latches amid schedule belt adjustments.
Agricultural Equipment
Agricultural apparatus benefits essentially from zinc plating assurance. PTO drives and garden apparatus linkages withstand morning dew, light rain, and agrochemicals. The Zinc Plating Lock Collar remains adjustable throughout demanding farming seasons.
Construction and Automotive
Steel trusses, bridges, and chassis components depend on these collars for basic keenness. The car industry employments them for truck chassis and motor mounts. They give dependable securing in energetic conditions.
Marine and Aerospace
Ship bodies, seaward stages, and air ship components require tried and true maintenance frameworks. Our collars provide vibration-proof securing for basic security applications.
Technical Advantages
Superior Corrosion Protection
The zinc coating acts as a galvanic obstruction, anticipating oxidation through conciliatory assurance. This amplifies component life altogether compared to untreated steel alternatives.
Optimal Strength-to-Weight Ratio
Lightweight development doesn't compromise holding control. The zinc layer keeps up base fabric hardness whereas including controlled lubricity for legitimate establishment torque.
Temperature Stability
Components work dependably inside temperature ranges up to 120°C. The passivation coating remains steady beneath typical mechanical working conditions.
Aesthetic Appeal
The shinning silver wrap up gives visual consistency with chrome direct poles and cleaned components. This makes them perfect for unmistakable applications in wellness and therapeutic equipment.
Why Choose Our Manufacturing Excellence
Advanced Production Capabilities
Our office highlights universally driving exactness fabricating hardware. High-precision CNC equip machining centers guarantee dimensional exactness. Completely robotized pounding machines and shrewdly warm treatment lines ensure steady quality.

Proven Process Control
Fifteen a long time of generation involvement drives our standardized workflow. From necessities discourse through plan drawings to last bundling, we keep up strict quality guidelines at each step.
Flexible Customization
We suit single-item generation and moo least arrange amounts. Custom administrations incorporate fabric determination, dimensional details, and surface treatment options.
Quality Assurance
Comprehensive quality inspection procedures verify each Zinc Plating Lock Collar meets determinations. Our harm anticipation bundling decreases transport harm rates to underneath 0.1%.
Frequently Asked Questions
Q: How does holding power compare to black oxide collars?
A: Zinc provides slight lubricity, potentially reducing axial holding power at identical torque specs. We recommend knurled cup point set screws or slightly increased torque to penetrate the shaft surface.
Q: Are these suitable for food processing washdown environments?
A: Standard zinc plating cannot withstand caustic washdown chemicals or high-pressure spray. For FDA/USDA washdown zones, we recommend 304 or 316 stainless steel alternatives.
Q: What's the difference between blue zinc and yellow zinc finishes?
A: This refers to chromate conversion coating color. Yellow historically indicated hexavalent chromium but now often uses trivalent yellow dye. Yellow generally provides slightly higher salt spray resistance than clear coatings.
Q: Do these collars comply with RoHS limitations?
A: Our modern production uses RoHS-compliant trivalent chromium passivates. Specify 'RoHS compliant' when ordering to ensure hexavalent chromium wasn't used.
Q: Why might white powder appear after outdoor use?
A: White rust indicates the zinc coating is working properly. The zinc corrodes sacrificially to protect the underlying steel. Red rust appearance signals zinc depletion.
Get Your Custom Solution Today
Ready to enhance your equipment reliability? Contact our technical team at sales@yizmachinery.com for personalized Zinc Plating Lock Collar solutions.











