Precision Measurement Supply - Fixtures, Tooling And Measuring Devices For Professional Engine Builders

Small Hole Gauges

.125" to .500" Range

Ideal for measuring small holes up to "such as valve guides

Knurled knob at end of handle is used for size adjustment

Hole size is obtained by measuring over the contact points with an outside micrometer.

Gauging surface is a full-round with a flat bottom; permits use in the smallest of shallow holes, slots and similar work.

Complete Set of Four Gauges - Includes Fitted Case

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7050 Snowflake Dr.
San Antonio, TX 78238
210.681.2405     Fax: 210.684.6472

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