/ Precision Measuring Tools / Precision Hand Tools / Micrometers / Special Function Micrometers / 256MRL-75 * Not actual product image 55943 256MRL-75 Disc-Type Micrometer 55943 Other similar products The Starrett 256M Disc-Type Micrometer is used to measure the thickness of work sections such as ribs, lands, fins, cutting edges on form tools, and chordal thickness of gear teeth. Because of their large anvil and spindle faces, the 1" and 25mm sizes are also useful for measuring the thickness of sheet materials like paper, cardboard, rubber, and plastics. 0-75mm 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. 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 Downloads Contact Starrett Features Advanced sleeve design with staggered lines and distinct figures for precise and easy readability Quick-reading figures - every thousandth numbered on inch tools Balanced frame and thimble design ensure easy handling and better readability Quick and easy adjustment Starrett satin chrome finish - no glare - resists rust Ring-type knurled lock nut for quick and sure locking The combination ratchet and speeder for uniform pressure and quicker adjustment on all sizes Gracefully designed tapered frame for use in narrow slots and tight places Anvil and spindle discs are 1/2" (12.7mm) diameter tapering to .015" (0.4mm) edge thickness making it possible to enter narrow grooves and recesses Rigid one-piece frame of drop forged steel Extremely hard and stable one-piece spindle Micro-lapped measuring faces This tool is accurate to .00015" or 0.003mm measuring over the whole surface and .0002" or 0.004mm measuring on the edges Specifications Micrometer Type: Disc-Type Micrometers with rotating spindle Range (mm): 0-75mm Graduations (mm): 0.01mm Anvil/Spindle Material: Steel Anvil Type: Flat Disk Spindle Type: Flat Disk Lock Nut Type: Knurled Ring Type Thimble Type: Ratchet Parts Member of Kit Item #DescriptionPart No.QtyInformation 1FRAME SUB ASSEMBLYNOT AVAILABLE1 2NUT, .375-52PT164141 3SHELL, ADJ. METRIC13331-01 4SPINDLE, METRIC13694-M1 5SHELL, OUTSIDE METRIC09993-M1 6NAMEPLATE #256M27125-01 7ANVIL, FRAME #25618528-01 8LOCK NUT, #436PT990701 9•RING, BINDER05323-01 10•ROLL, BINDERPT053251 11•RING, FRICTION05662-01 12SPRING, BARREL01525-01 13RATCHET ASSEMBLYPT198321 14•CAP ASSEMBLYPT994451 15••RATCHET13196-01 16••CAP, RATCHET07671-B1 17•BODY, RATCHET #23019773-01 18•PIN, RATCHET .066D X .156LPT189761 19•SPRING, .037X.061X.188X.011X603324-01 20•SCREW, #2-64 SLOT X .204 LONGPT197721 21WRENCH #3PT015261 Downloads 2D Dimensional Drawing (PDF) .pdf 199.76 kb