The new line of Holtest bore gages employ a titanium nitride coating to offer increasing durability and abrasion resistance while making high-accuracy, three-point bore diameter measurements. The three-point design of the Holtest bore gages as-sures smooth, highly stable measurement in the ranges above 8 mm bore diameter, while a constant-force ratchet minimizes measurement variations between different operators. Optional extension rods can be fitted to enable measurement of deeper holes. Digimatic Holtest bore gages are also equipped with an easy-to-read digital display and the ABS (Absolute) scale with absolute origin, which eliminates the necessity to set the origin at every power-on. The system also eliminates over-speed errors for increased reliability.
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