At present market, more car key case covers are required , they contain metal material and plastic ones. Especially zinc car key case covers become highlight and classic choise due to the zinc casting part is flexible and tight tolerance accuracy. But also it has a lower production expenses. At a lower temperature, about 420 degrees or so, molten zinc alloy is injected into precision dies under high pressure to form durable key case components . The specific metal belong to less porosity metal, and generate fine surface finishing , and so easy accept various luxurious plating coating. Besides, Plastic car key case cover is appeal and attractive, too. The plastic cover is made of flexible material , TPU material. And be convenient to enclose your car key and decorate your lovely car key well.
Contents Of Table
- What is The Features for Car Key Case Cover ?
- Follow Market Requirement, Provide Two Kinds Of Car Key Case Covers
- TangSheng Hardware Technology Produce More Car Key Covers

Zinc alloy car key case For Audi Brand

Metal key fob cover with proof-water mat

TPU car key shell,
What is The Features for Car Key Case Cover ?
A car key case cover is a protective case or sleeve designed to encase a car key or key fob. These covers are typically made from materials like silicone, leather, plastic, or metal, and play the below common roles.
Protection
The main function of a car key cover is to protect the key from damage. It helps prevent scratches, cracks, and wear-and-tear from everyday use, as well as safeguarding the key from dust, dirt, and moisture.
Improving Style
These custom key covers come in various colors, designs, and textures, allowing users to personalize the appearance of their car keys and match their style or car interior. These car remote key housing are made of different material can provide different styles for driver and users.
Grip
Some car key covers, particularly made of silicone or rubber, provide a better grip, making it easier to handle and less likely to slip from your hand or pocket. This is a highlight point for car remote key case decoration and protection design for drivers and end users.
Identification
A distinctive cover can make your key easier to identify, especially if you carry multiple keys or key fobs. OEM car key shell manufacturers can accept custom car key cover design , includes of logo and personalized requirements.
Overall, a car key cover adds both functionality and aesthetic appeal to an often-used accessory. Whenever what material is the key cover made of, it can all protect your car key and decorate it.

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Follow Market Requirement, Provide Two Kinds Of Car Key Case Covers
Nowadays, automotive enterprises take many measures to improve car and vehicle key. Moreover, they are designing multi-functional car key to remote control a car or truck . They slowly change a real key into electronic remote controller so that users and drivers can be more convenient to do daily actions. Such as starting the car , locking the door, locking the car and shutting down electricity power. However, users and driver want to know how they can protect their the remote key well, and prevent it from damage. As one of professional metal die casting factory, Ts die casting technology can design and process some custom automotive key cover. The below items are our popular car key case covers.
Zinc Die Casting Key Fob Housing
Various stylish car key case covers are designed and produced depends on different requirements from different branded cars. It can decorate the car key case well and protect it from crashing and without impacting any remote controlling operation. These car key case covers include the following branded key car case covers as these pictures.

Zinc cast key case cover for Land Rover

Metal car key case cover For BMW


Electroplated metal car key case housing For Hyunda

Luxious metal car key fob housing For Benz

Stylish car key case cover for Volkswagen
Plastic Car key Case Covers
The soft plastic key case covers are engraved and painted or UV printing. Depends on functional button on the key case position, engineers design various operation icons and indicate end users to use these case covers rightly. As the following pictures.
TS Die Casting Technology Produces Zinc Die Casting Key Covers
TS Die Casting Technology has been focusing on the production of zinc cast car key covers and inner plastic mat for 6 years, and passed international automotive industrial IATF 16949 certificate system. And make us enable researching and developing and producing various car key covers. With increment of business partners, our order quantity is always being up. Like these great brands, Audi, Nissan, Benz, BMS, Toyota, BYD, Volkswagen and Land rover.
Why Zamak 3 Is best For Car Key Case Housing
Various popular car key metal case covers on the market allow being cast in precision, deburring, drilling hole and tapping and threading, according to different surface finishing requirements, these cast parts are polished with RA standard and accept different coating treatments. like painting & powder-coating, satin-nickel plating, gross-nickel plating and chrome-plating. Best material choice for these car key fob covers are Zamak 3, in which different metal element formula creates this special metal alloy.
Zamak 3 Metal Element Formula
| Element | Typical Content (%) | Function |
|---|---|---|
| Zinc (Zn) | 95.0–96.0% | Main base metal |
| Aluminum (Al) | 3.5–4.3% | Improves strength and fluidity |
| Magnesium (Mg) | 0.02–0.06% | Reduces oxidation(intergranular corrosion) and brittleness |
| Copper (Cu) | Max 0.25% | Maintains dimensional stability |
| Iron (Fe) | Max 0.02% | Impurity control |
| Lead (Pb) | Max 0.003% | Prevents corrosion problems |
| Cadmium (Cd) | Max 0.003% | Improves environmental compliance |
Zamak 3 Advantages For Precision Car key Case Cover
These thin-walled metal covers with tight-tolerance dimensions require filling excellent fluidity molten metal into the cavity of the die fully, without none misrun, even thin-walled sectors and intricate structural parts. and create superior surface finishing efficiency. Zamak 3 just fit these requirements.
- Excellent Precision Casting Capability
- Premium Surface Finish Quality
- Better Strength Than Plastic Key Covers
- Excellent Electroplating Compatibility
- Ideal For Thin-Wall Engineering Design
- High Production Efficiency
- Excellent Dimensional Stability
- Suitable For Luxury Automotive Brands
Unit Weight Caculation For Car Key Case Housing For Zamak 3
| Parameter | Value |
|---|---|
| Length | 70 mm |
| Width | 38 mm |
| Average Thickness | 1.5 mm |
| Product Type | Typical Weight |
|---|---|
| Thin decorative key shell | 15–25 g |
| Standard smart key housing | 25–40 g |
| Luxury thick-wall key cover | 40–60 g |
| Full metal smart key shell | 60–90 g |
Large Volume Mass Production For Car Key Fob Covers At High Efficiency
Large-scale manufacturing of precision automotive key fob covers requires a highly optimized hot chamber zinc die casting production system. Adpot two cavities on die, and finish a cycle cast within 1.5s, 2000 pcs per hour, 20000 as cast parts per day in aravage.
For automotive accessory suppliers, production efficiency, dimensional consistency, and surface quality are the most critical factors. Post-processing is indispensable, include of sand blasering, belt sand grinding, nylon polishing, hemp polishing, mirror polishing and other surface finishing approaches.










