The Mitutoyo 468-986 Digimatic Holtest Three-Point Internal Micrometer Set has the following specifications:

• Range: .275-.500″/6.925-12.7mm
• Resolution: .00005″/.001mm
• Complete Unit Set

The Mitutoyo Digimatic Holtest internal micrometer utilizes three anvils and contact points for self-centering, precision measurements of the inside dimensions of bores. The 468-986 Mitutoyo Digimatic Holtest digital internal micrometer set features self-centering anvils evenly spaced at 120° with contact points coated in Titanium Nitride (TiN) to provide accurate, sensitive measurements that are highly durable. Precision-machined gears ensure reliable, repeatable measurements that are shown on a large, easy-to-read LCD display in an impact and water resistant housing. The holtest’s ratchet stop mechanism provides a constant measuring force on the hardened-steel spindle to ensure accurate, even measurements.

Features:

• Available in Metric and Inch/Metric models
• Optional extension rod allows for measuring deep holes
• SPC output function allows for quick and easy data management in real time
• Functions include Zero/ABS Setting, Data Hold, Data Output, Function Lock, 2 Presets, and inch/mm conversion (on inch/metric models only)
• Alarm: Low Voltage, Counting Value Composition Error, Battery Replacement
• Scale on thimble and sleeve is laser etched for easier reading in all conditions
• IP65 protection permits use in environments exposed to cutting oil, dust, etc.*
• Holtests up to 4″/100mm diameter measurements supplied in a fitted plastic case
• Holtests over 4″/100mm diameter measurements supplied in a wooden case