MITUTOYO - Holtest / Borematic : Holtest Series micrometers make three-point / two-point bore diameter measurements at top accuracy | JSR GROUP

Marketing JSR2 - September 12, 2025

Holtest / Borematic

Holtest Series micrometers make three-point / two-point bore diameter measurements at top accuracy

The performance of the well-established Mitutoyo Holtest series, well-known for their highly stable three-point self-centering action, has been further enhanced by coating the contact surfaces with titanium nitride.

Borematic
• Titanium-coated measuring pins provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.
• Digital display with quick-action lever operation enables easy and speedy measurement.
• Built-in Absolute System eliminates the necessity to set the origin point at every power-on. The system is also immune to over-speed errors, thus increasing the reliability of measurement.
• A tolerance judgment function is built in to allow GO/NG judgment based on user-defined upper and lower limit settings.

Holtest Type II
• Affordably priced, popular Holtest
• The anvils and cone are made from an alloy tool steel with a hardness of HRC60.5 or more.
• Versions for measurement of special forms can be custom manufactured in tool steel.

Digimatic Holtest
• Titanium-coated measuring pins provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.
• DIGIMATIC Holtest is equipped with a digital display for easy readability.
• ABS (absolute) and INC (incremental) measuring modes promote highly efficient working.
• DIGIMATIC Holtest is compatible with statistical process control systems and measurement support systems.
• DIGIMATIC Holtest is able to memorize two preset values for the datum point.
• Function lock key prevents changing the datum point accidentally.

Holtest
• Titanium-coated measuring pins provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind hole.
• Three-point design assures self-centering action for stable measurements in the range above 8mm bore diameter.
• Bore micrometers fitted with the constant-force ratchet enable consistent measurements with minimum variation between operators.

Titanium Coated Measuring Pins
A titanium-nitride coating is applied to the contact faces of the measuring pins (over 6mm range models).

Measuring a Blind Hole
Measuring pins attached to the anvils permit measuring the diameter of a blind hole almost down to the bottom.

Inspection Certificate Supplied as Standard.
The Inspection Certificate supplied with each instrument, which assures product quality and safety, cannot be used for obtaining a Calibration Certificate since the purchase date is not stated. Mitutoyo will issue a calibration certificate, at cost, on request.