Blade Outside Micrometer The Blade Outside Micrometer is a specialized precision measuring instrument designed for measuring groove diameters, shaft grooves, keyways, splines, narrow slots, and recessed external features. Its thin blade-shaped measuring faces provide easy access to areas where standard micrometers cannot reach, making it ideal for precision inspection of complex machined components. The instrument features a non-rotating spindle that prevents twisting of the workpiece during measurement and a ratchet stop mechanism that ensures constant measuring force for highly accurate and repeatable results. It is widely used in manufacturing, automotive industries, aerospace applications, machine shops, tool rooms, and quality control departments. Features • Designed for Measuring Groove Diameters • Suitable for Shaft Grooves and Keyways • Thin Blade Measuring Faces • Non-Rotating Spindle Design • Ratchet Stop for Constant Measuring Force • High Accuracy and Repeatability • Ideal for Narrow Slots and Recessed Features • Durable Industrial Construction • Suitable for Precision Engineering Applications Technical Specifications Model: 323-25A • Measuring Range: 0 – 25 mm • Graduation: 0.01 mm • Type: A • Accuracy: ±4 µm • Dimension (a): 32 mm • Length (L): 57 mm --- Model: 323-50A • Measuring Range: 25 – 50 mm • Graduation: 0.01 mm • Type: A • Accuracy: ±4 µm • Dimension (a): 44.5 mm • Length (L): 82 mm --- Model: 323-75A • Measuring Range: 50 – 75 mm • Graduation: 0.01 mm • Type: A • Accuracy: ±5 µm • Dimension (a): 57 mm • Length (L): 107 mm --- Model: 323-100A • Measuring Range: 75 – 100 mm • Graduation: 0.01 mm • Type: A • Accuracy: ±5 µm • Dimension (a): 69.5 mm • Length (L): 132.6 mm --- Model: 323-25B • Measuring Range: 0 – 25 mm • Graduation: 0.01 mm • Type: B • Accuracy: ±4 µm • Dimension (a): 32 mm • Length (L): 57 mm Measuring System: • Non-Rotating Spindle • Blade-Type Measuring Faces • Ratchet Stop Mechanism Applications • Groove Diameter Measurement • Keyway Measurement • Shaft Groove Inspection • Spline Measurement • Slot Width Measurement • Precision Engineering Applications • Manufacturing Quality Control • Tool Room Inspection • Machine Shop Measurement • Industrial Metrology Applications Product Video: Paste YouTube Video Link Here For more information about the Blade Outside Micrometer, please contact us at 08045134493 or email [vhk_08@yahoo.com](mailto:vhk_08@yahoo.com). Our team will be happy to assist you with product specifications, pricing, and application support.
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