Introduction to Mitutoyo's Bore Gauge Series: 368, 468, 568, and 511
Introduction to Mitutoyo's Bore Gauge Series: 368, 468, 568, and 511
Mitutoyo, a global leader in precision measurement instruments, offers a comprehensive range of bore gauges designed for accuracy, durability, and versatility. This article focuses on the 368, 468, and 568 series, highlighting their features, measurement ranges, and resolutions, with special emphasis on the 468 series (models 468-161 to 468-170). Additionally, we introduce Sowant Precision Gage, a trusted provider of Mitutoyo products and specialized thread gauges.
1. Mitutoyo 368 Series: Precision for Wide-Range Applications
The 368 series is renowned for its three-point contact system, ensuring self-centering alignment for accurate internal diameter measurements. Key features include:
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Titanium-coated probes for enhanced durability and resistance to wear39.
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Blind-hole measurement capability, with optional extension rods for deep holes (up to 300 mm)59.
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Resolution: 0.001 mm or 0.005 mm (depending on the model)39.
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Measurement ranges: From 2–3 mm up to 275–300 mm, covering diverse industrial needs39.
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Models like 368-181 (275–300 mm range, ±5 μm accuracy) exemplify the series’ adaptability for large-scale applications39.
2. Mitutoyo 468 Series: Digital Efficiency and Versatility
The 468 series combines digital convenience with high precision, ideal for workshops and quality control. Notable characteristics:
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Large LCD display for easy readability26.
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Three-point measurement with carbide-tipped contacts for repeatable results610.
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IP65 protection against coolant and dust, suitable for harsh environments2.
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Resolution: 0.001 mm (metric models) or 0.00005"/0.001 mm (inch/metric hybrid models)610.
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Battery life: Up to 1.2 years under normal use2.
Key Models in the 468 Series
| Model | Measurement Range | Resolution | Accuracy | Features |
|---|---|---|---|---|
| 468-161 | 6–8 mm | 0.001 mm | ±2 μm | 100 mm extension rod optional610. |
| 468-162 | 8–10 mm | 0.001 mm | ±2 μm | Ideal for small bore inspection6. |
| 468-163 | 10–12 mm | 0.001 mm | ±2 μm | Compact design for tight spaces6. |
| 468-164 | 12–16 mm | 0.001 mm | ±2 μm | 150 mm extension rod support6. |
| 468-165 | 16–20 mm | 0.001 mm | ±2 μm | Enhanced durability with titanium coating10. |
| 468-166 | 20–25 mm | 0.001 mm | ±3 μm | Suitable for automotive applications6. |
| 468-167 | 25–30 mm | 0.001 mm | ±3 μm | Error alarm for out-of-tolerance readings6. |
| 468-168 | 30–40 mm | 0.001 mm | ±3 μm | Data output for SPC integration6. |
| 468-169 | 40–50 mm | 0.001 mm | ±3 μm | Optional calibration ring gauges6. |
| 468-170 | 50–63 mm | 0.001 mm | ±3 μm | Extended battery life (SR44 cell)6. |
3. Mitutoyo 568 Series: Advanced Features for Rapid Measurement
The 568 series is designed for speed and reliability in high-demand environments:
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Lever-operated mechanism for quick measurements111.
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Titanium-coated jaws and three-point contact for blind-hole accuracy17.
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GO/NO-GO judgment and 330° rotatable display for flexible viewing111.
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Resolution: 0.001 mm7.
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Measurement ranges: 6–8 mm to 112–125 mm, with models like 568-368 (30–40 mm, ±5 μm)711.
4. 511 Series
While specific details about the 511 series are not available in the provided sources, Mitutoyo’s bore gauges generally emphasize precision and adaptability. For further information, consult Mitutoyo’s official documentation or contact authorized distributors.
Sowant Precision Gage: Your Trusted Partner
Sowant Precision Gage specializes in supplying the full range of Mitutoyo products, including the 368, 468, and 568 series. Additionally, they offer:
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International brands: TESA, Trimos, Sylvac, and Mahr.
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Custom thread gauges: ACME, Stub ACME, and TR thread gauges, tailored for industrial standards.
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Expert support: From selection to after-sales service, ensuring optimal measurement solutions.
For inquiries, contact Sowant Precision Gage to explore their comprehensive portfolio and technical expertise.
