A 32 Piece Grade 0 Gauge Block Set is a high-precision dimensional measurement standard designed for calibration, inspection, and quality control applications. Manufactured from hardened GCr15 bearing steel, these precision gauge blocks provide excellent wear resistance, stability, and accurate reference measurements for machining, metrology, and industrial inspection environments.
This Grade 0 gage block set is engineered for professionals who require reliable dimensional verification and calibration accuracy. Each block is manufactured with tight tolerances and a carefully controlled surface finish to support precision measurement tasks.
The set includes 32 individual gauge blocks covering measurement ranges from 1.005mm to 50mm, making it suitable for machine shops, laboratories, manufacturing facilities, and inspection departments.
Key Benefits of Hardened Steel Gauge Blocks
High Measurement Accuracy
- Manufactured to Grade 0 accuracy standards for precision calibration work.
- Provides reliable reference measurements for dimensional inspection.
- Accuracy tolerance reaches ±0.00045mm for blocks up to 10mm.
Durable GCr15 Hardened Steel Construction
- Made from premium GCr15 hardened steel for long service life.
- Excellent resistance against wear, deformation, and repeated handling.
- Suitable for industrial measurement environments.
Complete 32-Piece Precision Set
- Includes commonly required sizes for machining and inspection applications.
- Covers small and medium measurement ranges in one compact set.
- Ideal for engineers, machinists, quality inspectors, and metrology professionals.
Features
- 32-piece Grade 0 gauge block set
- Hardened GCr15 steel construction
- Industrial-quality precision measurement standard
- High dimensional stability
- Designed for calibration and inspection tasks
- Suitable for professional metrology applications
- Includes multiple incremental sizes for flexible measurement
Gauge Block Set Size Range
The 32-piece precision gauge block set includes:
| Measurement Range | Increment | Quantity |
| 1.005mm | Single block | 1 pc |
| 1.01mm – 1.09mm | 0.01mm interval | 9 pcs |
| 1.1mm – 1.9mm | 0.1mm interval | 9 pcs |
| 1mm – 9mm | 1mm interval | 9 pcs |
| 10mm – 30mm | 10mm interval | 3 pcs |
| 50mm | Single block | 1 pc |
Technical Specifications
| Specification | Details |
| Product Name | 32 Piece Grade 0 Gauge Block Set |
| Type | Precision Gage Block Calibration Set |
| Number of Pieces | 32 PCS |
| Accuracy Grade | Grade 0 |
| Material | GCr15 Hardened Steel |
| Measurement Range | 1.005mm – 50mm |
| Minimum Size | 1.005mm |
| Maximum Size | 50mm |
| Accuracy (L ≤ 10mm) | ±0.00045mm |
| Accuracy (10mm < L ≤ 25mm) | ±0.0006mm |
| Accuracy (25mm < L ≤ 50mm) | ±0.0008mm |
| Application | Calibration, inspection, precision measurement |
Grade 0 Gauge Block Accuracy
This precision gauge block set provides higher accuracy compared with standard low-cost measuring blocks. The Grade 0 tolerance specifications are:
| Block Length | Accuracy Tolerance |
| L ≤ 10mm | ±0.00045mm |
| 10mm < L ≤ 25mm | ±0.0006mm |
| 25mm < L ≤ 50mm | ±0.0008mm |
| 50mm < L ≤ 75mm | ±0.001mm |
| 75mm < L ≤ 100mm | ±0.0012mm |
Applications of 32 Piece Precision Gauge Block Set
This hardened steel gauge block set is commonly used for:
- CNC machining inspection
- Precision engineering workshops
- Manufacturing quality control
- Calibration of measuring instruments
- Dimensional verification
- Mechanical engineering laboratories
- Tool room measurement applications
- Industrial metrology testing
Why Choose This GCr15 Gauge Block Set?
Unlike basic measuring blocks made from lower-grade materials, this GCr15 steel gauge block set offers improved hardness, stability, and resistance to repeated use. Its Grade 0 accuracy makes it suitable for professionals who need dependable measurement references for critical inspection tasks.
The compact 32-piece configuration provides essential measurement sizes without unnecessary blocks, making it a practical choice for workshops and industrial users.
Frequently Asked Questions
What is a Grade 0 gauge block set used for?
A Grade 0 gauge block set is used as a precision reference standard for calibration, inspection, and verifying the accuracy of measuring instruments such as micrometers, calipers, and other dimensional measurement tools.
What material are these gauge blocks made from?
These gauge blocks are manufactured from GCr15 hardened steel, a high-strength material known for excellent hardness, wear resistance, and dimensional stability.
How accurate is this 32-piece gauge block set?
The set provides Grade 0 accuracy with tolerances as low as ±0.00045mm for blocks up to 10mm, making it suitable for precision measurement applications.
What sizes are included in this gauge block set?
The set contains 32 blocks ranging from 1.005mm to 50mm, including decimal increments, millimeter steps, and larger reference sizes.
Is this gauge block set suitable for industrial use?
Yes. This hardened steel gauge block set is designed for industrial inspection, machining, calibration laboratories, and professional engineering applications.
What is the difference between Grade 0 and standard gauge blocks?
Grade 0 gauge blocks provide tighter dimensional tolerances and higher measurement accuracy compared with general-purpose gauge blocks, making them suitable for precision calibration work.
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