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Large Diameter Bore Gage
Our exclusive large diameter bore gauge, equipped with a centering guider,
is specifically designed for measuring shallow and large diameter bores.
Large Diameter Bore Gage
Equipped with a centering device, the diameter bore gauge can accurately measure cylinder bores with diameters ranging from 500mm to 1500mm.
Diameter bore dial gauge 500-600mm，0.01mm
Large diameter bore gauge zero-setting
| Range | Graduation | Accuracy |
|---|---|---|
| 500-600mm | 0.01mm | 0.015mm |
| 600-700mm | 0.01mm | 0.015mm |
| 700-800mm | 0.01mm | 0.015mm |
| 800-900mm | 0.01mm | 0.015mm |
| 900-1000mm | 0.01mm | 0.015mm |
| 1000-1100mm | 0.01mm | 0.015mm |
| 1100-1200mm | 0.01mm | 0.015mm |
| 1200-1300mm | 0.01mm | 0.015mm |
| 1300-1400mm | 0.01mm | 0.015mm |
| 1400-1500mm | 0.01mm | 0.015mm |
Large Digital internal micrometer Type-A
Range : 50-300mm / 2-12"
Large Digital inside micrometer with 3 contactors
Large Digital internal micrometer 3-point connect to a computer with a data cable
Large internal micrometers with extension rod
Large Digital inside micrometer Type-A
- Large measuring range due to the patent structure.
- Precision measurement for blind holes and through holes.
- Carbide-tipped contact points.
- Retchet stop.
- Supplied with setting rings.(It is optional over 150mm)
- Protection level IP54.
- Data cables are optional to connect a computer for data processing.
| Range | Accuracy | Setting rings |
| 50-70mm | 0.004mm | φ50mm |
| 70-100mm | 0.004mm | φ70mm |
| 100-150mm | 0.005mm | φ100mm |
| 150-250mm | 0.007mm | φ150mm |
| 200-300mm | 0.007mm | φ200mm Optional |
| 2-2.8" | 0.00016" | 2" |
| 2.8-4" | 0.00016" | 2.8" |
| 4-6" | 0.00020" | 4" |
| 6-10" | 0.00028" | 6" |
| 8-12" | 0.00028" | 8" Optional |
Large Digital internal micrometer Type-B
Range : 200-1000mm / 8-40"
Large Digital inside micrometer Type-B
- The measurement range is large due to the patented structure.
- High-precision interchangeable probe, no need to reset after replacement.
- Precision measurement for blind holes and through holes.
- Carbide-tipped contact points.
- Retchet stop.
- Setting rings are optional.
- Protection level IP54.
- Data cables are optional to connect a computer for data processing.
| Range | Accuracy | Setting Rings | L | A | Extension rods |
|---|---|---|---|---|---|
| 6-8mm | 0.004mm | φ6mm | 50mm | 1.5mm | 100mm |
| 8-10mm | 0.004mm | φ8mm | 50mm | 1.5mm | 100mm |
| 10-12mm | 0.004mm | φ10mm | 50mm | 1.5mm | 100mm |
| 12-16mm | 0.004mm | φ16mm | 65mm | 0.5mm | 150mm |
| 16-20mm | 0.004mm | φ16mm | 65mm | 0.5mm | 150mm |
| 20-25mm | 0.004mm | φ25mm | 91mm | 0.5mm | 150mm |
| 25-30mm | 0.004mm | φ25mm | 91mm | 0.5mm | 150mm |
| 30-40mm | 0.004mm | φ40mm | 97mm | 0.5mm | 150mm |
| 40-50mm | 0.005mm | φ40mm | 97mm | 0.5mm | 150mm |
| 50-63mm | 0.005mm | φ62mm | 112mm | 0.5mm | 150mm |
| 62-72mm | 0.005mm | φ62mm | 112mm | 0.5mm | 150mm |
| 75-88mm | 0.005mm | φ87mm | 112mm | 0.5mm | 150mm |
| 87-100mm | 0.005mm | φ87mm | 112mm | 0.5mm | 150mm |
| 100-125mm | 0.005mm | φ112.5mm | 130mm | 0.5mm | 150mm |
| 125-150mm | 0.005mm | φ137.5mm | 130mm | 0.5mm | 150mm |
| 150-175mm | 0.005mm | φ162.5mm | 130mm | 0.5mm | 150mm |
| 175-200mm | 0.005mm | φ187.5mm | 130mm | 0.5mm | 150mm |
| 200-225mm | 0.007mm | φ212.5mm | 130mm | 0.5mm | 150mm |
| 225-250mm | 0.007mm | φ237.5mm | 130mm | 0.5mm | 150mm |
| 250-275mm | 0.007mm | φ262.5mm | 130mm | 0.5mm | 150mm |
| 275-300mm | 0.007mm | φ287.5mm | 130mm | 0.5mm | 150mm |
| 0.275-0.35" | 0.00016" | 0.275" | 2" | 0.06" | 4" |
| 0.35-0.425" | 0.00016" | 0.35" | 2" | 0.06" | 4" |
| 0.425-0.5" | 0.00016" | 0.5" | 2" | 0.06" | 4" |
| 0.5-0.65" | 0.00016" | 0.65" | 2.6" | 0.02" | 6" |
| 0.65-0.8" | 0.00016" | 0.65" | 2.6" | 0.02" | 6" |
| 0.8-1" | 0.00016" | 1" | 3.64" | 0.02" | 6" |
| 1-1.2" | 0.00016" | 1" | 3.64" | 0.02" | 6" |
| 1.2-1.6" | 0.00016" | 1.6" | 3.88" | 0.02" | 6" |
| 1.6-2" | 0.0002" | 1.6" | 3.88" | 0.02" | 6" |
| 2-2.5" | 0.0002" | 2.5" | 4.48" | 0.02" | 6" |
| 2.5-3" | 0.0002" | 2.5" | 4.48" | 0.02" | 6" |
| 3-3.5" | 0.0002" | 3.5" | 4.48" | 0.02" | 6" |
| 3.5-4" | 0.0002" | 3.5" | 4.48" | 0.02" | 6" |
| 4-5" | 0.0002" | 4.5" | 5.2" | 0.02" | 6" |
| 5-6" | 0.0002" | 5.5" | 5.2" | 0.02" | 6" |
| 6-7" | 0.0002" | 6.5" | 5.2" | 0.02" | 6" |
| 7-8" | 0.0002" | 7.5" | 5.2" | 0.02" | 6" |
| 8-9" | 0.00028" | 8.5" | 5.2" | 0.02" | 6" |
| 9-10" | 0.00028" | 9.5" | 5.2" | 0.02" | 6" |
| 10-11" | 0.00028" | 10.5" | 5.2" | 0.02" | 6" |
| 11-12" | 0.00028" | 11.5" | 5.2" | 0.02" | 6" |
Large Digital Internal Micrometer Type-G
Pistol-shaped snap internal micrometer
Range: 6-300mm / 0.275 -12"
- Can be operated with one hand, and both left and right hands can be used easily.
- Self-centering 3-point, suitable for precise measurement of blind holes or through holes.
- Carbide-tipped contact points(except 6-12mm).
- Supplied with setting rings, it is optional over 100mm.
- Dial indicator is optional, with installation dimensions of φ8mm or 3/8” (φ9.525mm)
| Range | Accuracy | Setting Rings | L | A | Extension rods |
|---|---|---|---|---|---|
| 6-8mm | 0.004mm | φ6mm | 50mm | 1.5mm | 100mm |
| 8-10mm | 0.004mm | φ8mm | 50mm | 1.5mm | 100mm |
| 10-12mm | 0.004mm | φ10mm | 50mm | 1.5mm | 100mm |
| 12-16mm | 0.004mm | φ16mm | 65mm | 0.5mm | 150mm |
| 16-20mm | 0.004mm | φ16mm | 65mm | 0.5mm | 150mm |
| 20-25mm | 0.004mm | φ25mm | 91mm | 0.5mm | 150mm |
| 25-30mm | 0.004mm | φ25mm | 91mm | 0.5mm | 150mm |
| 30-40mm | 0.004mm | φ40mm | 97mm | 0.5mm | 150mm |
| 40-50mm | 0.005mm | φ40mm | 97mm | 0.5mm | 150mm |
| 50-63mm | 0.005mm | φ62mm | 112mm | 0.5mm | 150mm |
| 62-72mm | 0.005mm | φ62mm | 112mm | 0.5mm | 150mm |
| 75-88mm | 0.005mm | φ87mm | 112mm | 0.5mm | 150mm |
| 87-100mm | 0.005mm | φ87mm | 112mm | 0.5mm | 150mm |
| 100-125mm | 0.005mm | φ112.5mm | 130mm | 0.5mm | 150mm |
| 125-150mm | 0.005mm | φ137.5mm | 130mm | 0.5mm | 150mm |
| 150-175mm | 0.005mm | φ162.5mm | 130mm | 0.5mm | 150mm |
| 175-200mm | 0.005mm | φ187.5mm | 130mm | 0.5mm | 150mm |
| 200-225mm | 0.007mm | φ212.5mm | 130mm | 0.5mm | 150mm |
| 225-250mm | 0.007mm | φ237.5mm | 130mm | 0.5mm | 150mm |
| 250-275mm | 0.007mm | φ262.5mm | 130mm | 0.5mm | 150mm |
| 275-300mm | 0.007mm | φ287.5mm | 130mm | 0.5mm | 150mm |
| 0.275-0.35" | 0.00016" | 0.275" | 2" | 0.06" | 4" |
| 0.35-0.425" | 0.00016" | 0.35" | 2" | 0.06" | 4" |
| 0.425-0.5" | 0.00016" | 0.5" | 2" | 0.06" | 4" |
| 0.5-0.65" | 0.00016" | 0.65" | 2.6" | 0.02" | 6" |
| 0.65-0.8" | 0.00016" | 0.65" | 2.6" | 0.02" | 6" |
| 0.8-1" | 0.00016" | 1" | 3.64" | 0.02" | 6" |
| 1-1.2" | 0.00016" | 1" | 3.64" | 0.02" | 6" |
| 1.2-1.6" | 0.00016" | 1.6" | 3.88" | 0.02" | 6" |
| 1.6-2" | 0.0002" | 1.6" | 3.88" | 0.02" | 6" |
| 2-2.5" | 0.0002" | 2.5" | 4.48" | 0.02" | 6" |
| 2.5-3" | 0.0002" | 2.5" | 4.48" | 0.02" | 6" |
| 3-3.5" | 0.0002" | 3.5" | 4.48" | 0.02" | 6" |
| 3.5-4" | 0.0002" | 3.5" | 4.48" | 0.02" | 6" |
| 4-5" | 0.0002" | 4.5" | 5.2" | 0.02" | 6" |
| 5-6" | 0.0002" | 5.5" | 5.2" | 0.02" | 6" |
| 6-7" | 0.0002" | 6.5" | 5.2" | 0.02" | 6" |
| 7-8" | 0.0002" | 7.5" | 5.2" | 0.02" | 6" |
| 8-9" | 0.00028" | 8.5" | 5.2" | 0.02" | 6" |
| 9-10" | 0.00028" | 9.5" | 5.2" | 0.02" | 6" |
| 10-11" | 0.00028" | 10.5" | 5.2" | 0.02" | 6" |
| 11-12" | 0.00028" | 11.5" | 5.2" | 0.02" | 6" |
Frequently asked questions:
| Digital internal micrometer | Range: up to 1000mm /40". |
| Long Jaw Caliper | Range: up to 5000mm / 200". |
| Large Vemier Caliper | Range: up to 6000mm / 240". |
| Large Digital Caliperr | Range: up to 4000mm / 160". |
| Dial bore indicator | Range: up to 450mm; Measuring depth:up to 2000mm. |
| Precision bore gauge | Range: up to 450mm / 16"; Graduation: 0.001mm / 0.0001" |