![[Mitutoyo] — 139-177 Internal Micrometer (Extension Pipe)](https://img.prosourcemro.com/2026/05/1218691-1.jpg)
Measuring Instruments
Mitutoyo
[Mitutoyo] — 139-177 Internal Micrometer (Extension Pipe)
Family ID: 402-4372
Mitutoyo 139-177 Internal Micrometer with Extension Pipe is a precision bore-measuring instrument designed for accurate internal diameter measurement, sourced direct from Korea. Internal micrometers with extension pipes are commonly used in machining, toolroom, and quality control environments where deep bores, cylinders, and housings need reliable dimensional verification. Request a quote today for export-ready supply, competitive pricing, and fulfillment through a KITA-registered Korean exporter.
10 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| 402-4372 | 139-177 | Mitutoyo | 139-177 (100-2100) | Measurement Range: 100~2/100 | Extension Rod: 25/50/100/200/400(4 pieces) | ||
| 402-6680 | 139-001 | Mitutoyo | 139-001 (100-125) | Measurement Range: 100~125 | Extension Rod: - | ||
| 402-6699 | 139-173 | Mitutoyo | 139-173 (100-500) | Measurement Range: 100~500 | Extension Rod: 25/50/100/200 | ||
| 402-6705 | 139-174 | Mitutoyo | 139-174 (100-900) | Measurement Range: 100~900 | Extension Rod: 25/50/100/200/400 | ||
| 402-6714 | 139-175 | Mitutoyo | 139-175 (100-1300) | Measurement Range: 100~1/300 | Extension Rod: 25/50/100/200/400(2pcs) | ||
| 402-6723 | 139-176 | Mitutoyo | 139-176 (100-1700) | Measurement Range: 100~1,700 | Extension Rod: 25/50/100/200/400(3 pcs) | ||
| 402-6732 | 140-157 | Mitutoyo | 140-157 (1000-2000) | Measurement Range: 1/000~2/000 | Extension Rod: 50/100(2pcs)/200/500 | ||
| 402-6741 | 140-158 | Mitutoyo | 140-158 (1000-3000) | Measurement Range: 1,000~3,000 | Extension Rod: 50/100(2pcs)/200/500/1000 | ||
| 402-6750 | 140-159 | Mitutoyo | 140-159 (1000-4000) | Measurement Range: 1,000~4,000 | Extension Rod: 50/100(2 pcs)/200/500/1000(2 pcs) | ||
| 402-6769 | 140-160 | Mitutoyo | 140-160 (1000-5000) | Measurement Range: 1/000~5/000 | Extension Rod: 50/100(2pc)/200/500/1000(3pc) |
