UNPARALLELED LTD is one of the leading manufacturers and suppliers of mechanical measurement tools in China. With abundant experience, we warmly welcome you to buy advanced mechanical measurement tools made in China here from our factory. We also accept custom orders.
Product Overview
This granite mechanical measurement tools is manufactured from high-quality natural black granite, selected for its excellent stability, hardness, and wear resistance. The product in the image is a T-slot granite base, widely applied in precision machinery, coordinate measuring machines (CMM), optical measuring systems, semiconductor equipment, and ultra-precision positioning platforms.
Through advanced CNC processing, precision grinding, and strict metrology verification, UNPARALLELED ensures every granite component meets international standards (DIN/JIS/GB). Its dimensional stability and vibration absorption performance make it an ideal choice for high-precision industries.
|
BRAND |
UNPARALLELED |
MATERIAL |
Nature Granite |
|
APPLICATION |
Metrology, Inspection and Measuring Machines |
DENSITY |
3070kg/m3 |
|
CONDITION |
NEW CUSTOM |
COLOR |
Pure Black |
|
ORIGIN |
Jinan |
PRECISION |
1 μm or higher |
|
WARRANTY |
1 YEAR |
STANDARD |
DIN, GB, ASME,JIS... |
|
PACKAGING |
Custom Export Package |
CERTIFICATE |
ISO9001, CE... |
|
PAYMENT ITEM |
T/T, L/C... |
KEY WORD |
mechanical measurement tools |
|
MATERIAL |
Jinan, China; India; South Afica |
TECHNICAL |
Inpsection& Calibration& Assembly |
|
PRICE |
EXW, FOB, CIF, DAP, CPT... |
SERVICE |
Design drawings |
quality control
Key Features & Advantages
1. Superior Material Properties
Main minerals: plagioclase, pyroxene, and trace magnetite, ensuring high density and low porosity.
Physical characteristics: High rigidity, excellent thermal stability, non-magnetic, and corrosion-resistant.
Long-term accuracy: Unlike cast iron, granite is not affected by rust, oil contamination, or deformation over time.
2. Precision & Stability
Flatness tolerance: up to 0.001 mm/1000 mm.
High vibration damping: ensures stable performance even under dynamic loading.
Aging treatment: millions of years of natural aging eliminate internal stress, ensuring long-lasting precision.
3. Customization & Design Flexibility
T-slot & threaded inserts: easy to assemble measuring tools, fixtures, and automation units.
Tailored design: slots, holes, and mounting points can be processed as per client's machine integration needs.
Surface treatment: smooth, scratch-resistant, suitable for cleanroom or laboratory use.
Comparison with Other Materials
| Feature | Granite | Cast Iron | Steel |
|---|---|---|---|
| Rust resistance | ✔ No rust | ✘ Easily rusts | ✘ Requires coating |
| Thermal expansion | Very low | Medium | High |
| Accuracy over time | ✔ Stable | ✘ Deformation possible | ✘ Affected by stress |
| Vibration damping | ✔ Excellent | Medium | Poor |
| Maintenance | Low | High | High |
Clearly, mechanical measurement tools offer unmatched dimensional stability and lower lifecycle cost compared to metal counterparts.
services
Applications
- Coordinate Measuring Machines (CMM)
- Semiconductor manufacturing equipment
- Optical inspection and laser systems
- Precision machine tool bases
- Metrology laboratories
- High-precision assembly lines
Quality Control
- Complies with DIN 876, GB/T 20428-2006, JIS B 7513 standards.
- 100% inspected with advanced electronic autocollimators and laser interferometers.
- Final report provided with flatness, squareness, and parallelism verification.
certificates

Packaging & Transportation
- Each granite component is wrapped with anti-rust film and impact-proof foam.
- Secured in customized fumigation-free wooden crates to prevent damage during transit.
- Shockproof reinforcement ensures safety in long-distance sea/air transport.
- Global delivery available with professional logistics support.

Why Choose UNPARALLELED?
Over 20 years of experience in granite precision manufacturing.
Advanced processing equipment, including high-precision CNC grinding machines.
Customized solutions to meet diverse application requirements.
Export expertise with professional packaging and worldwide delivery service.
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