Airetool Hole Gauge for Heat Exchanger Tubes
These easy to use inline hole gauges feature three-point contact for self-centering and direct reading scale. All hole gauges furnished with test ring for scale verification. Standard reach tools up to 1" (25.4mm) include carrying case.
Tube Range: 0.500 - 2.500" OD (12.7 - 63.50mm)
- Graduated scale in 0.002" (.05mm) increments for fast, accurate measurement of tube ID
- Each hole gauge also has the range to measure tube sheet holes in next smaller size
- Standard adjustable reach of 6" (152.4mm) and 12" (304.8mm) lengths