The Bowers Special Bore Measurement tool for Screw Threads is a high-precision digital measuring instrument engineered for accurate inspection of internal thread dimensions. Manufactured by Bowers, this tool is designed to measure effective (functional) diameter, pitch diameter, and major diameter across a comprehensive size range from M4 up to 300mm (or No. 8 UN to 12" diameter). Available in 2-point and 3-point configurations, it provides reliable quality control for demanding industrial threading applications, including specialized variants for ball screw threads.
- Measurement Range: M4 – 300mm / No. 8 UN – 12″ diameter
- Thread Parameters Measured: Effective (functional) diameter, pitch diameter, and major diameter
- Contact Configurations: Available in 2-point and 3-point contact options for internal thread assessment
- Specialized Variants: Dedicated configurations available for ball screw threads (from Ø M10) and external threads (via compatible Snapmic instruments)
- Digital Readout: Integrated high-contrast LCD digital display featuring clear measurement readouts and configuration buttons
- Wireless Connectivity: Built-in Bluetooth capability for seamless data transfer and integration with digital quality control systems
- Trigger Operation: Ergonomic pistol-grip handle featuring a rapid-action mechanical lever (trigger) for quick insertion and retraction of measuring anvils
- Protection Rating: IP67-rated housing for resistance against coolant, water, dust, and oil in harsh workshop environments
