MEASURING INSTRUMENTS CATALOG No.E2019
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C-11CMitutoyo reserves the right to change any or all aspects of any product specication, including prices, designs and service content, without notice.• Hardened tool-steel anvils (instead of titanium-coated carbide) for a more economically priced tool. • Same accuracy as the titanium-coated Holtest models.• For details of Setting Rings, refer to page C-47.• Constant-force device allows repeatable measurement, regardless of operator's skill.• Deep holes can be measured by attaching an Extension Rod (optional).Holtest (Type II)SERIES 368 — Three-point Internal Micrometers368-769368-770368-774For details of Special-order Products, refer to page C-49. HoltestFor easy and accurate measurement of inside diametersAn inspection certicate is supplied as standard. Refer to page U-11 for details.L3L5Range(mm)L3(mm)L5(mm)12 - 202.6 or below3.520 - 303.4 or below5.230 - 501050 - 10014100 - 30019.6 or below13.8SPECIFICATIONSMetric IndividualOrder No.Range*2 (mm)Graduation (mm)Accuracy*1 (µm)Extension Rod (optional)368-76412 - 160.005±2 (within 2)952621 (150 mm)368-76516 - 20368-76620 - 25±3 (within 3)952622 (150 mm)368-76725 - 30368-76830 - 40368-76940 - 50368-77050 - 63952623 (150 mm)368-77162 - 75368-77275 - 88368-77387 - 100368-774100 - 125±5 (within 5)368-775125 - 150368-776150 - 175368-777175 - 200368-778200 - 225368-779225 - 250368-780250 - 275368-781275 - 300Inch IndividualOrder No.Range*2 (in)Graduation (in)Accuracy*1 (in)Extension Rod (optional)368-8640.5 - 0.650.0002±0.0001 (within 0.0001)952621 (150 mm)368-8650.65 - 0.8368-8660.8 - 1±0.00015 (within 0.00015)952622 (150 mm)368-8671 - 1.2368-8681.2 - 1.6368-8691.6 - 2368-8702 - 2.5952623 (150 mm)368-8712.5 - 3368-8723 - 3.5368-8733.5 - 4368-8744 - 5±0.00025 (within 0.00025)368-8755 - 6368-8766 - 7368-8777 - 8368-8788 - 9368-8799 - 10368-88010 - 11368-88111 - 12*1Accuracy: values measured across the entire measuring face.Maximum difference: differences between the maximum and minimum values.*2 The measurement range cannot be enlarged by measuring heads that are not standard-supplied (the accuracy is not guaranteed).Note: Setting rings are optional.

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