Micrometer head - MITUTOYO - #1

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B-51 B Micrometer Head Selection Guide There are many characteristics to be considered when choosing the type of micrometer head best suited to any particular application. The major options in Mitutoyo micrometer heads concern the following: • Measuring range • Normal/reverse reading • Graduation/resolution • With/without Ratchet Stop • Accuracy • Measuring face shape/material • With/without spindle lock • Rotating/non-rotating spindle • With/without stem clamp nut • Dimensions The main features of the various heads are listed below to aid in selection and location. SELECTION TABLE Measuring range Series Main feature of head Page 0 - 1mm 110 Differential screw translator (extra-fine feed) type B-66 0 - 2.5mm 110 Differential screw translator (extra-fine feed) type B-66 0 - 5mm 148 Ultra small type B-57 148 Fine spindle feed of 0.1mm/rev B-55 0 - 6.5mm 148 Fine spindle feed of 0.1mm/rev. B-55 148 Fine spindle feed of 0.25mm/rev. B-56 148 Small type B-57 148 Large thimble diameter for easy reading B-58 148 Locking-screw Type B-61 0 - 10mm 152 Fine feed type B-67 0 - 13mm 148 Small standard type B-59 148 Spindle feed of 0.25mm/rev. B-56 148 Zero-adjustable thimble type B-60 148 Large thimble diameter for easy reading B-58 110 Differential screw translator (extra-fine feed) type B-66 148 Locking-screw Type B-61 0 - 15mm 149 Carbide-tipped spindle B-62 153 Non-rotating spindle B-65 152 Quick spindle feed of 1mm/rev. B-67 227 with constant and adjustable measuring force device B-54 0 - 25mm 350 Compact digital type B-52 150 Common type in middle size B-63 153 Non-rotating spindle B-65 153 Fine graduation type B-69 151 Heavy duty type (ø8mm spindle) B-64 152 Quick spindle feed of 1mm/rev. B-67 152 Large Thimble, Fine feed type B-67 152 XY-stage type B-68 250 Digit counter type B-70 0 - 50mm 164 Digital type B-52 151 Heavy duty type (ø8mm spindle) B-64 152 Quick spindle feed of 1mm/rev. B-67 152 Fine feed type B-67 197 Non-rotating spindle and large thimble B-69 60 - 75mm 7850 Micro Jack B-70 Variety of Types With clamp nut Spherical face type Spindle lock Reverse reading type