Description
Mitutoyo 368-911 Three-Point Inside Micrometer, 6-12mm — BOLTON SKU 50443.
About the Mitutoyo 368-911 Three-Point Inside Micr Test Equipm
Mitutoyo 368-911 Three-Point test equipment is listed by the manufacturer as a Mechanical Holtest three-point / two-point internal micrometer complete set, and this order number bundles three measuring ranges: 6-8 mm, 8-10 mm and 10-12 mm. Mitutoyo’s naming of the family as three-point / two-point matters at this end of the scale — the smallest bores in the range are served by two-point heads because three anvils cannot be packaged into a head of that diameter, while the larger heads use the three-point self-centring arrangement that gives the Holtest its repeatability. The result is one kit that carries a workshop continuously from 6 mm to 12 mm without changing instrument type. Accuracy figures, setting-ring content and calibration certification for this kit are confirmed against Mitutoyo’s published series data at quotation.
Key specifications
| Attribute | Value |
|---|---|
| Manufacturer | Mitutoyo |
| Order number | 368-911 |
| Product family | Mechanical Holtest three-point / two-point internal micrometer, complete set |
| Ranges included in set | 6-8 mm, 8-10 mm and 10-12 mm |
| Overall coverage | 6-12 mm |
Typical applications
Bores between 6 mm and 12 mm are the province of small hydraulic and fuel components, spool and poppet valve bodies, guide bushes, dowel and pin holes, and instrument or actuator housings where a plug gauge only tells you pass or fail and an actual diameter reading is required. The three included ranges make it a first-article and in-process inspection kit rather than a single-job instrument. Where the same part family also has bores above 12 mm, this set is the natural companion to the 12-20 mm Holtest kit.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).


























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