/ Precision Measuring Tools / Precision Hand Tools / Micrometers / Micrometer Heads / 263RL * Not actual product image 51254 263RL Micrometer Head 51254 Other similar products The Starrett 263 & 263M Micrometer Head features a ratchet stop, lock nut, 0-1" range, and .001" graduation. 0-1” Range, .001” 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 (in): 0-1" Graduations (in): .001" Spindle Material: Steel Lock Nut Type: Ring Type Knurled Spindle Type: Flat Thimble Type: Ratchet Accuracy (in): +/-.0001" Parts Member of Kit Item #DescriptionPart No.QtyInformation 10SPINDLE09979-01 20STEM09975-01 30SHELL, ADJUSTING09977-01 40NUT, .375-52PT164141 50SHELL, OUTSIDE09994-01 60LOCK NUT COMPLETEPT991741 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