Description
Product overview
Mitutoyo Series 368 Holtest complete unit sets. Quote-only. Also useful for field inspection, prototype measurement, research labs, university labs, and engineering QA.
Mitutoyo Holtest Series 368 – Complete Unit Set is part of Mitutoyo Section C (Inside Measurement). Macroscopic Solutions supplies this product through a reviewed purchase or quote path so configuration, compatibility, shipping, freight, accessories, and support requirements can be confirmed before fulfillment.
Catalog reference: US-1005 C-4, C-5
Mitutoyo Series 368 Holtest complete unit sets. Quote-only.
Specifications
Key specifications
| System | Range | Order No. | Individual Range | Setting Rings Included | Remarks |
|---|---|---|---|---|---|
| Metric | 2-3mm | 368-906 | 2-2.5, 2.5-3mm | 2.5mm dia. | – |
| Metric | 3-6mm | 368-907 | 3-4, 4-5, 5-6mm | 4mm, 5mm dia. | – |
| Metric | 6-12mm | 368-911 | 6-8, 8-10, 10-12mm | 8mm, 10mm dia. | with extension rod |
| Metric | 12-20mm | 368-912 | 12-16, 16-20mm | 16mm dia. | with extension rod |
| Metric | 20-50mm | 368-913 | 20-25, 25-30, 30-40, 40-50mm | 25mm, 40mm dia. | with extension rod |
| Metric | 50-100mm | 368-914 | 50-63, 62-75, 75-88, 87-100mm | 62mm, 87mm dia. | with extension rod |
| Metric | 100-200mm | 368-915 | 100-125, 125-150, 150-175, 175-200mm | 125mm, 175mm dia. | with extension rod |
| Inch | .08-.12" | 368-926 | .08-.1", .1-.12" | .1" dia. | – |
| Inch | .12-.28" | 368-927 | .12-.16", .16-.2", .2-.24", .24-.28" | .16" dia., .24" dia. | – |
| Inch | .275-.5" | 368-916 | .275-.35", .35-.425", .425-.5" | .35" dia., .5" dia. | with extension rod |
| Inch | .5-.8" | 368-917 | .5-.65", .65-.8" | .65" dia. | with extension rod |
| Inch | .8-2" | 368-918 | .8-1", 1-1.2", 1.2-1.6", 1.6-2" | 1" dia., 1.6" dia. | with extension rod |
| Inch | 2-4" | 368-919 | 2-2.5", 2.5-3", 3-3.5", 3.5-4" | 2.5" dia., 3.5" dia. | with extension rod |
| Inch | 4-8" | 368-920 | 4-5", 5-6", 6-7", 7-8" | 5" dia., 7" dia. | with extension rod |
Applications beyond production metrology
Common applications beyond production metrology include field and bench inspection for research teams, prototype measurement, university teaching labs, geoscience sample fixture checks, botanical and life-science lab hardware measurement, engineering QA, and oil and gas maintenance or component documentation.
Application notes are general examples for discovery and planning; confirm suitability, tolerances, fixtures, standards, and regulatory requirements for the specific measurement task.










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