458 Automotive Disc Brake Micrometers .300-2"/7.6-50MM • Measures depth of wear grooves in disc of brake systems • 3"(75mm)framewitha3-1/2"(88mm)depthtoallowadditionalreach • Flat carbide spindle and a carbide anvil with a 60° point Readability Fea tures • Starrett satin chrome finish – no glare – resists rust • Advanced sleeve design for precise, easy readability • Quick-reading figures – every thousandth numbered on inch tools Ease-of-Handling Fea tures • Balanced frame and thimble design ensure easy handling and better readability • Combination ratchet and speeder for uniform pressure and quicker adjustment • Gracefully designed tapered frame for use in narrow slots and tight places • 3-1/2" (88mm) throat depth Accuracy and Long-Life Fea tures • Rigid one-piece steel frame • Extremelyhardandstableone-piecespindle(theheartofouraccuracy) • Carbide measuring face on the spindle and carbide "V" anvil • Quick and easy adjustment 260 Groove Micrometers INCH/MM Quickly and easily measures widths of internal or external grooves and lands. Readability Fea tures • Starrett satin chrome finish – no glare – resists rust • Advanced sleeve design with staggered lines and distinct figures for precise and easy readability • Quick-reading figures – every thousandth numbered on inch tools Ease-of-Handling Fea tures • Balanced design to ensure easy handling and better readability • Has a reach of 1-5/8" (41mm) maximum hole depth • Each measuring disc is 9/32" (7mm) diameter and .025" (0.63mm) thick • Will measure groove widths .050-1.050" (1.27-26.6mm) • Will measure land widths from 0-1" and 0-25mm Accuracy and Long-Life Fea tures • Extremelyhardandstableone-piecespindle(theheartofouraccuracy) • Hardened, ground, and lapped measuring discs • Quick and easy adjustment • This tool is accurate to ±.0004" or ±0.01mm Micrometers .300-2" Range Cat. No. EDP Range Graduation 458AXR 67534 .300-1.300" .001" 458AXRS* 67535 458BXR 67536 1-2" .001" 458BXRS* 67537 7.6-50mm Range Cat. No. EDP Range Graduation 458MAXR 67538 7.6-33mm 0.01mm 458MAXRS** 67539 458MBXR 67540 25-50mm 0.01mm 458MBXRS** 67541 *With 26852-0 Gage Block Standard. **With 26853-0 Gage Block Standard. 260 and 260M Groove Micrometer Cat. No. EDP Graduation Range Max. Hole Depth Groove Widths* Land Widths 260Z 67987 .001" .050"-1.050" 0-1.000" 1-5/8" 260MZ 67988 0.01mm 1.27-26.27mm 0-25mm 41mm * Add .050" to 260Z (1.27mm to 260MZ) micrometer reading. 458AXRS 49 starrett.com M icrometers