C-7CMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.• Titanium-coated measuring pins on the three-point type (over 6mm range models) provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.• Three-point bore micrometer with measuring range 6mm or longer allows stable measurement through automatic centering.• Can measure deep holes using an Extension rod (optional) which is available on models over 6mm (.275") measuring range.• Ratchet Stop ensures constant-force, repeatable measurement.• Setting Rings for accurately setting the instrument are optional. Refer to page C-47 for details.HoltestSERIES 368 — Three-point/Two-point Internal Micrometers368-001(Two-point contact model)368-174368-170For details of Special-order Products, refer to page C-49. 368-168Application using an extension rodL3L4L5Range(mm)L3(mm)L4(mm)L5(mm) 2 - 6——2 6 - 122 or below—2.5 12 - 200.3 or below5.63.5 20 - 308.35.2 30 - 5013.010.0 50 - 10017.014.0 100 - 30012.4 or below21.013.8HoltestFor easy and accurate measurement of inside diametersAn inspection certicate is supplied as standard. Refer to page X for details.


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