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Holtest (Type II) Series 368-Three-Point Internal Micrometers

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The Holtests (type II) have three contact points made of alloyed steel. Measurement can be taken closer to the bottom of the blind bore. Can measure deep holes using an Extension Rod (optional). With Ratchet Stop for constant force. Setting Rings for zero point adjustment are optional....

Holtests – Series 368-Three Point/Two-Point Internal Micrometers

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These Holtests are versatile, self-centering three-point internal micrometers for the accurate and efficient direct-measurement of internal diameters. Three anvils, evenly spaced at 120° apart, contact the internal wall surfaces and find true alignment with the axis of the bore for accurate ID measurement.

Inside Micrometers – Series 141 – Interchangeable Type

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Wide range of ID measurements with interchangeable rods. Each interchangeable rod is marked with its measuring range. The sizes of interchangeable rods can be adjusted with spacing collars. Both micrometer head and furnished rods are satin-chrome finished throughout.

Inside Micrometers – Series 345, 145-Caliper Type

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Caliper type jaws are made of high-grade, tool steel. Locking clamp for positive locking of spindle. Satin-chrome finished. A special holder is available to be used with Mitutoyo Micrometer Stand.

Tubular Inside Micrometers – Series 133-Single Rod Type

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With locking clamp. Zero point can be readjusted by twisting the micrometer head sleeve. A key wrench is supplied. Clear, crisp graduations on the satin chrome finished micrometer head. Carbide-tipped measuring faces. Supplied in fitted plastic case.Over 200mm/8in supplied in wooden case.

Digimatic Tubular Inside Micrometers-Series 337-Extension Rod Type/Series 339-Extension Pipe Type

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Wide range of ID measurements by combining extension rods (pipes) and anvils with the micrometer head. The 339 series uses highly-durable extension pipes. Carbide-tipped measuring faces.