Product Description
468-977 Mitutoyo Digimatic Holtest Three-Point Internal Micrometer Set: .500-.800″/12.7-20.32mm
The Mitutoyo 468-977 Digimatic Holtest Three-Point Internal Micrometer Set has the following specifications:
- Range: .500-.800″/12.7-20.32mm
- Resolution: .00005″/.001mm
- Interchangeable Head 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 468-977 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
To watch a video on the Mitutoyo 468-977 Digimatic Holtest Three-Point Internal Micrometer Set: Click Here
Technical Data:
- Contact point: tin-coating
- Measuring method: Three-point method
- Display: LCD
- Battery: SR44
- Battery life: Approx. 8 months under normal use
This Digimatic Holtest Set is the “interchangeable head” style. There is only one readout included in this set and the operator must interchange or swap out the different measuring heads. Each time a different head is installed on the readout, the operator must calibrate the new head in a setting ring prior to taking bore measurements.
The Mitutoyo 468-977 Digimatic Holtest Bore Gage/Internal Micrometer set includes the following:
- Large LCD Readout/Main Body Assembly: 04AZB112
- 04AZA721 Digimatic Holtest Head: .500-.650″/12.7-16.51mm
- 04AZA722 Digimatic Holtest Head: .650-.800″/16.51-20.32mm
- 177-182 Setting Ring: .650″
- Extension Rod
Mitutoyo Digimatic Holtest Three-Point Internal Micrometers: Inch/Metric:
Interchangeable Head Sets:
- 468-976 Digimatic Holtest Internal Micrometer Set: .275-.500″/6.925-12.7mm
- 468-977 Digimatic Holtest Internal Micrometer Set: .500-.800″/12.7-20.32mm
- 468-978 Digimatic Holtest Internal Micrometer Set: .800-2.00″/20.32-50.8mm
- 468-979 Digimatic Holtest Internal Micrometer Set: 2-4″/50.8-101.6mm
- 468-980 Digimatic Holtest Internal Micrometer Set: 4-8″/101.2-203.2mm
Complete Unit Sets:
- 468-986 Digimatic Holtest Internal Micrometer Set: .275-.500″/6.925-12.7mm
- 468-987 Digimatic Holtest Internal Micrometer Set: .500-1.00″/12.7-25.4mm
- 468-988 Digimatic Holtest Internal Micrometer Set: 1-2″/25.4-50.8mm
- 468-989 Digimatic Holtest Internal Micrometer Set: 2-3″/50.8-76.2mm
- 468-990 Digimatic Holtest Internal Micrometer Set: 3-4″/76.2-101.6mm
Individual Sets:
- 468-261 Digimatic Holtest Internal Micrometer: .275-.350″/6.985-8.89mm
- 468-262 Digimatic Holtest Internal Micrometer: .350-.425″/8.89-10.795mm
- 468-263 Digimatic Holtest Internal Micrometer: .425-.500″/10.795-12.7mm
- 468-264 Digimatic Holtest Internal Micrometer: .500-.650″/12.7-16.51mm
- 468-265 Digimatic Holtest Internal Micrometer: .650-.800″/16.51-20.32mm
- 468-266 Digimatic Holtest Internal Micrometer: .800-1.00″/20.32-25.4mm
- 468-267 Digimatic Holtest Internal Micrometer: 1.00-1.20″/25.4-30.48mm
- 468-268 Digimatic Holtest Internal Micrometer: 1.20-1.60″/30.48-40.64mm
- 468-269 Digimatic Holtest Internal Micrometer: 1.60-2.00″/40.64-50.8mm
- 468-270 Digimatic Holtest Internal Micrometer: 2.00-2.50″/50.8-63.5mm
- 468-271 Digimatic Holtest Internal Micrometer: 2.50-3.00″/63.5-76.2mm
- 468-272 Digimatic Holtest Internal Micrometer: 3.00-3.50″/76.2-88.9mm
- 468-273 Digimatic Holtest Internal Micrometer: 3.50-4.00″/88.9-101.6mm
- 468-274 Digimatic Holtest Internal Micrometer: 4-5″/101.6-127mm
- 468-275 Digimatic Holtest Internal Micrometer: 5-6″/127-152.4mm
- 468-276 Digimatic Holtest Internal Micrometer: 6-7″/152.4-177.8mm
- 468-277 Digimatic Holtest Internal Micrometer: 7-8″/177.8-203.2mm
- 468-278 Digimatic Holtest Internal Micrometer: 8-9″/203.2-228.6mm
- 468-279 Digimatic Holtest Internal Micrometer: 9-10″/228.6-254mm
- 468-280 Digimatic Holtest Internal Micrometer: 10-11″/254-279.4mm
- 468-281 Digimatic Holtest Internal Micrometer: 11-12″/279.4-304.8mm
The Mitutoyo Digimatic Internal Micrometers have been one of the most commonly used three-point bore gages in the industry for over 15 years now. The easy to use electronics on the digimatic readout are simple enough for anyone to master in a matter of minutes. Each of the digimatic three-point internal micrometers has a ratchet stop which will provide better repeatability among operators. These internal micrometers are accurate with great repeatability and are highly recommended from Higher Precision.
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