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MIcroMeters

458 AutoMotIve dIsc brAKe MIcroMeters 260 Groove MIcroMeters
.300-2"/7.6-50MM INCH/MM
• Measures depth of wear grooves in disc of brake systems Quickly and easily measures widths of internal or external grooves
• 3" (75mm) frame with a 3-1/2" (88mm) depth to allow additional reach and lands.
• Flat carbide spindle and a carbide anvil with a 60° point reAdAbIlIty feAtures
reAdAbIlIty feAtures
• Starrett satin chrome finish – no glare – resists rust
• Starrett satin chrome finish – no glare – resists rust • Advanced sleeve design with staggered lines and distinct figures
• Advanced sleeve design for precise, easy readability for precise and easy readability
• Quick-reading figures – every thousandth numbered on inch tools • Quick-reading figures – every thousandth numbered on inch tools
eAse-of-HAndlInG feAtures eAse-of-HAndlInG feAtures MicroMeters
• Balanced frame and thimble design ensure easy handling and • Balanced design to ensure easy handling and better readability
better readability • Has a reach of 1-5/8" (41mm) maximum hole depth
• Combination ratchet and speeder for uniform pressure and • Each measuring disc is 9/32" (7mm) diameter and .025"
quicker adjustment (0.63mm) thick
• Gracefully designed tapered frame for use in narrow slots and • Will measure groove widths .050-1.050" (1.27-26.6mm)
tight places • Will measure land widths from 0-1" and 0-25mm
• 3-1/2" (88mm) throat depth
AccurAcy And lonG-lIfe feAtures
AccurAcy And lonG-lIfe feAtures
• Extremely hard and stable one-piece spindle (the heart of our accuracy)
• Rigid one-piece steel frame • Hardened, ground, and lapped measuring discs
• Extremely hard and stable one-piece spindle (the heart of our accuracy) • Quick and easy adjustment
• Carbide measuring face on the spindle and carbide "V" anvil • This tool is accurate to ±.0004" or ±0.01mm
• Quick and easy adjustment

.300-2" Range 260 and 260M Groove Micrometer
Cat. No. EDP Range Graduation Range
458AXR 67534 .300-1.300" .001" Cat. No. EDP Graduation Groove Widths* Land Widths Max. Hole Depth
458AXRS* 67535 260Z 67987 .001" .050"-1.050" 0-1.000" 1-5/8"
458BXR 67536 1-2" .001" 260MZ 67988 0.01mm 1.27-26.27mm 0-25mm 41mm
458BXRS* 67537 * Add .050" to 260Z (1.27mm to 260MZ) micrometer reading.
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.

458AXRS

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