Digital 3-Point Bore Micrometer,.275-.350"

Flexbar Digital Electronic 3-Point Internal Micrometers. Self-Centering 3-Point Bore Micrometers For The Accurate Measurement Of Internal Diameters. Each 3-Point Bore Micrometer Comes In Its Own Fitted Hard Case Complete With Setting Ring And Depth Extension. Ring Gage Certificate To NIST Available Upon Request. Self-Aligning And Self-Centering Carbide Tipped Measuring Contact Points Suitable For Blind Bore Measurements. Ratchet Stop Provides Uniform Measuring. Setting Ring Accuracy: .000020" Resolution: .00005"/0.0001mm (Inch/Metric Conversion) Thimble Graduation: 0.0001". Easy To Read Electronic Digital Display With The Following Measurement Functions: Absolute And Incremental Measurement Tolerance Settings Preset (+ And -) Hold Key SPC Data Output Capability (RS232C) Model No. 20850, Digital 3-Point Bore Micrometer, Measuring Range: .275-.350"