Mitutoyo 368-995 Holtest 3-Point Internal Micrometer Set, 0.5-0.8"

368-995 Includes Only:

• A carrying case
• Internal Micrometer Holtest: 368 Series Mechanical Holtest (Type II) Three-Point Internal Micrometer, 0.5-0.65" Range, 368 Series Mechanical Holtest (Type II) Three-Point Internal Micrometer, 0.65-0.8" Range
• Certificate of inspection
• Key
• Internal Micrometer

Features with all optional accessories:

• Optional extension rod allows for measuring deep holes
• Optional setting rings for zero point adjustment
• The design allows for measurements closer to the bottom of blind bore holes
• Scale on thimble and sleeve is laser etched for easier reading in all conditions

The Mitutoyo Holtest (Type II) mechanical three-point internal micrometer complete set complete gages (micrometer head units and measuring heads) for each size. Three alloy steel anvils are evenly spaced at 120° for true alignment of the axis bore for accurate, easily repeatable measurements. Hardened steel spindles with a carbide ball and cones with a carbide pin ensure accuracy and durability when extending and retracting the anvils. The holtests ratchet stop mechanism provides a constant measuring force on the hardened steel spindle to ensure accurate, even measurements.