Pistol-Grip Three-Point Bore Gauge 6-300mm – Carbide Tip Internal Diameter Gauge with Calibration Rings
- Features carbide tips, left/right-hand operation, and includes calibration rings.
- Three-point positioning, suitable for precision measurement of blind and through holes.
- Carbide measuring surfaces (excluding 6-12mm).
- Includes a calibration ring gauge for diameters up to 100mm, optional for diameters over 100mm.
- Optional gauge, available in Ø8mm or Ø9.525mm mounting sizes.
- Ergonomic pistol-grip three-point bore gauge for precise 6-300mm internal measurements.
- Ideal for blind/through hole measurement in manufacturing.
Product Description:
Professional Pistol-Grip Three-Point Bore Gauge – Precision Internal Measurement Solution
Experience exceptional measuring efficiency with our ergonomic pistol-grip three-point bore gauge. Designed for one-handed operation and ambidextrous use, this professional instrument delivers precise internal diameter measurements from 6mm to 300mm. The self-centering three-point design ensures accurate measurements in both blind and through holes, while carbide measuring faces (on models above 12mm) provide superior wear resistance. Complete with calibration rings for measurements up to 100mm and compatible with various dial indicators, this bore gauge is perfect for manufacturing, quality control, and precision machining applications.
📊 Technical Specifications(Click on the digital display to view details):
Individual Units:
| Model Number | Measuring Range | Accuracy | Setting Ring | L | A | Extension Rod |
|---|---|---|---|---|---|---|
| H-305-01-000 | 6-8mm | 0.004mm | Φ6mm | 54.5mm | 1.5mm | 100mm |
| H-305-02-000 | 8-10mm | 0.004mm | Φ8mm | 54.5mm | 1.5mm | 100mm |
| H-305-03-000 | 10-12mm | 0.004mm | Φ10mm | 54.5mm | 1.5mm | 100mm |
| H-305-04-000 | 12-16mm | 0.004mm | Φ16mm | 80mm | 0.5mm | 150mm |
| H-305-05-000 | 16-20mm | 0.004mm | Φ16mm | 80mm | 0.5mm | 150mm |
| H-305-06-000 | 20-25mm | 0.004mm | Φ25mm | 90mm | 0.5mm | 150mm |
| H-305-07-000 | 25-30mm | 0.004mm | Φ25mm | 90mm | 0.5mm | 150mm |
| H-305-08-000 | 30-40mm | 0.004mm | Φ40mm | 97mm | 0.5mm | 150mm |
| H-305-09-000 | 40-50mm | 0.005mm | Φ40mm | 97mm | 0.5mm | 150mm |
| H-305-10-230 | 50-63mm | 0.005mm | Φ62mm | 112mm | 0.5mm | 150mm |
| H-305-11-230 | 62-75mm | 0.005mm | Φ62mm | 112mm | 0.5mm | 150mm |
| H-305-12-230 | 75-88mm | 0.005mm | Φ87mm | 112mm | 0.5mm | 150mm |
| H-305-13-230 | 87-100mm | 0.005mm | Φ87mm | 112mm | 0.5mm | 150mm |
| H-305-61-000 | 100-125mm | 0.005mm | Φ112.5mm | 130mm | 0.5mm | 150mm |
| H-305-62-000 | 125-150mm | 0.005mm | Φ137.5mm | 130mm | 0.5mm | 150mm |
| H-305-63-000 | 150-175mm | 0.005mm | Φ162.5mm | 130mm | 0.5mm | 150mm |
| H-305-64-000 | 175-200mm | 0.005mm | Φ187.5mm | 130mm | 0.5mm | 150mm |
| H-305-65-000 | 200-225mm | 0.007mm | Φ212.5mm | 130mm | 0.5mm | 150mm |
| H-305-66-000 | 225-250mm | 0.007mm | Φ237.5mm | 130mm | 0.5mm | 150mm |
| H-305-67-000 | 250-275mm | 0.007mm | Φ262.5mm | 130mm | 0.5mm | 150mm |
| H-305-68-000 | 275-300mm | 0.007mm | Φ287.5mm | 130mm | 0.5mm | 150mm |
Complete Sets(Scale selection):
| Model Number | Measurement Range | Set Range | Calibration Rings | Extension Rod | A Dimension |
|---|---|---|---|---|---|
| H-305-44-000 | 6-12mm | 6-12mm | Φ6,8,10mm | 100mm | 1.5mm |
| H-305-46-000 | 12-20mm | 12-20mm | Φ16mm | 150mm | 0.5mm |
| H-305-48-000 | 20-50mm | 20-50mm | Φ25,40mm | 150mm | 0.5mm |
| H-305-50-230 | 50-100mm | 50-100mm | Φ62,87mm | 150mm | 0.5mm |
⚙️ Professional Features:
-
Ergonomic Pistol Grip: Designed for comfortable one-handed operation
-
Ambidextrous Design: Suitable for both left and right-hand users
-
Three-Point Measurement: Self-centering design for accurate bore measurement
-
Carbide Measuring Faces: Wear-resistant tips (on models above 12mm)
-
Calibration Rings Included: Standard for measurements up to 100mm
-
Dial Indicator Compatibility: Supports Φ8mm or Φ9.525mm indicators
-
Precision Accuracy: Maintains 0.004mm-0.007mm accuracy across ranges
-
Extended Range: Covers 6-300mm with various configurations
🛠️ Applications:
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Precision machining and manufacturing
-
Automotive engine cylinder measurement
-
Aerospace component inspection
-
Hydraulic cylinder manufacturing
-
Quality control and inspection departments
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Industrial maintenance and repair
-
Mold and die production
📦 Package Includes:
-
Pistol-grip bore gauge head
-
Matched calibration rings (for respective ranges)
-
Extension rods
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Protective storage case
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Calibration certificate
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Operation manual
Optional Accessories:
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Dial indicators (Φ8mm or Φ9.525mm mounting)
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Additional extension rods
-
Custom calibration rings
-
Specialized storage cases
🔧 Technical Specifications:
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Measurement Principle: Three-point contact system
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Grip Design: Ergonomic pistol grip for reduced fatigue
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Surface Finish: Chrome-plated for durability
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Indicator Mounting: Standard Φ8mm or Φ9.525mm
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Measurement Force: Consistent spring-loaded operation
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Environmental Protection: Rust-resistant construction
💡 Operation Benefits:
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Quick Measurement: Rapid positioning and measurement cycle
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High Repeatability: Consistent results through three-point alignment
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Versatile Application: Suitable for both blind and through holes
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Reduced Operator Fatigue: Ergonomic design for extended use
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Easy Calibration: Simple setting with included calibration rings
[Request Catalog] for complete size specifications or [Contact Us] for custom set configurations and volume pricing.
