MEASURING INSTRUMENTS CATALOG No.E2016
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B-58BMitutoyo operates a policy of continuous improvement that aims to provide the customer with the benet of the latest technological advances.Therefore the company reserves the right to change any or all aspects of any product specication without notice.Groove MicrometersSERIES 146• Flanged spindle and anvil for measuring width and location of grooves inside bores and tubes.• Two-directional ratchet stop.• For ID and OD (except for 0 - 25mm) measurement, a master gage is required for adjusting the reference point.Flanges (measuring faces)L()25(103.3)50(78.3)75(53.3)100(28.3)L()25(115)50(90)75(65)100(40)146-121146-122146-221146-222SPECIFICATIONSMetricOrder No.Range OutsideRange InsideGraduationAccuracyFlangeRotating spindle146-1210 - 25mm1.6 - 26.5mm0.01mm±10µmø6.35mm146-122ø12.7mm146-12325 - 50mm26.5 - 51.5mm146-12450 - 75mm51.5 - 76.5mm146-12575 - 100mm76.5 - 101.5mmMetricOrder No.Range OutsideRange InsideGraduationAccuracyFlangeNon-rotating spindle146-2210 - 25mm1.6 - 26.5mm0.01mm±10µmø6.35mm146-222ø12.7mm146-22325 - 50mm26.5 - 51.5mm146-22450 - 75mm51.5 - 76.5mm146-22575 - 100mm76.5 - 101.5mmInchOrder No.Range OutsideRange InsideGraduationAccuracyFlangeRotating spindle146-1310 - 1".055" - 1.05".001"±.0004"ø.25"146-132ø.5"146-1331" - 2"1.05" - 2.05"146-1342" - 3"2.05" - 3.05"146-1353" - 4"3.05" - 4.05"InchOrder No.Range OutsideRange InsideGraduationAccuracyFlangeNon-rotating spindle146-2310 - 1".055" - 1.05".001"±.0004"ø.25"146-232ø.5"146-2331" - 2"1.05" - 2.05"146-2342" - 3"2.05" - 3.05"146-2353" - 4"3.05" - 4.05"DIMENSIONSUnit: mmTechnical dataParallelism: 10μm/.0004”Standard accessories: Spanner (301336), 1 pc146-121ø15ø10ø5ø6.35ø3.5ø6.3517473329.5(35)0.75250.75GVM-25SNR(194)φ6.350.750.7525(35)19.5φ3.5φ6.35φ53321761φ10φ15φ18.3GVM-25NR1761φ15φ10332(115)0.75250.75φ12.7(254.5)φ6.35φ12.7φ18.3146-122, 146-123, 146-124, 146-125(ℓ)32347ø12.7ø6.35ø12.7ø1017(228.8)ø150.750.75Lø18ø18ø9.7ø9.7φ18(34.5)2517473ø5ø15ø103219.50.750.75ø3.5ø6.35ø6.35ø18ø9.7146-221Lø12.7ø6.35ø12.70.750.7532ø10ø1534717(ℓ)ø18ø9.7146-222, 146-223, 146-224, 146-225

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