/ Precision Measuring Tools / Precision Hand Tools / Micrometers / Micrometer Heads / 263MRL * Not actual product image 51257 263MRL Micrometer Head 51257 Other similar products The Starrett 263 & 263M Micrometer Head features a ratchet stop, lock nut, 0-25mm range, and 0.01mm graduation. 0-25mm Range, 0.01mm Grad, Ratchet Stop, Lock Nut. Note:This item is discontinued. Please consider the recommended alternative listed above or contact our special order department at (978) 249-3551 x410 for more information. Features Specifications Parts Contact Starrett Features Starrett satin chrome finish – no glare – resists rust on all reading surfaces Advanced sleeve design with staggered lines and distinct figures for precise and easy readability Quick-reading figures Extremely hard and stable one-piece spindle (the heart of our accuracy and long life) Micro-lapped measuring face for flatness and squareness Quick and easy adjustment Specifications Micrometer Type: Mechanical Micrometer Head Range (mm): 0-25mm Graduations (mm): 0.01mm Spindle Material: Steel Lock Nut Type: Ring Type Knurled Spindle Type: Flat Thimble Type: Ratchet Accuracy (mm): +/-.002mm Parts Member of Kit Item #DescriptionPart No.QtyInformation 10STEM SUB ASSEMBLY09976-01 20SHELL, ADJUSTING09978-01 30NUT, .375-52PT164141 40SHELL, OUTSIDE MIC. METRIC09994-M1 50SPINDLE, METRIC09979-M1 60LOCK NUT COMPLETEPT991740 70•RING, BINDER09980-01 80•SPRING, .089X.107X.062X.009X213207-01 90•PIN, .085X.125X.10809762-01 100SPRING, BARREL10058-01 110RATCHET ASSEMBLYPT198321 120•CAP ASSEMBLYPT994451 130••RATCHET13196-01 140••CAP, RATCHET07671-B1 150•BODY, RATCHET #23019773-01 160•PIN, RATCHET .066D X .156LPT189761 170•SPRING, .041X.061X.188X.010X6PT076731 180•SCREW, #2-64 SLOT X .204 LONGPT197721 190WRENCH #3PT015261