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MIcroMeters

231, 231M MIcroMeters WItH 221 HI-precIsIon MIcroMeter
InsulAted frAMes
0-1"
0-1"/0-25MM
• Permits direct readings in ten-thousandths of an inch (.0001")
This is a slightly heavier micrometer with thermal insulators mounted on the without a vernier, plus automatic control of spindle pressure
frame front and rear. This spindle and anvil are sized at .250" (6.35mm). • Black graduated inner thimble and sleeve reading in thousandths
reAdAbIlIty feAtures and red graduated outer thimble and sleeve with large, widely
spaced graduations which give direct readings in ten-thousandths
• Starrett satin chrome finish – no glare – resists rust reAdAbIlIty feAtures
MicroMeters eAse-of-HAndlInG feAtures • Exclusive constant pressure mechanism eliminates "feel" and
• Advanced sleeve design with staggered lines and distinct figures
for precise and easy readability
ensures constant spindle pressure for all readings
• Quick-reading figures – every thousandth numbered on inch tools
• Starrett satin chrome finish – no glare – resists rust

• Balanced frame and thimble design ensure easy handling and
for precise and easy readability
better readability • Advanced sleeve design with staggered lines and distinct figures
• Ring-type knurled lock nut for quick and sure locking • Convenient decimal equivalents on inch tools
• A combination ratchet and speeder for uniform pressure and eAse-of-HAndlInG feAtures
quicker adjustment on all sizes • Balanced frame and thimble design for easy handling and better readability
• Gracefully designed tapered frame for use in narrow slots and • Ring-type knurled lock nut for quick and sure locking
tight places • Gracefully designed tapered frame for use in narrow slots and
AccurAcy And lonG-lIfe feAtures tight places
• Rigid one-piece frame of drop forged steel AccurAcy And lonG-lIfe feAtures
• Extremely hard and stable one-piece spindle (the heart of our accuracy) • Rigid one-piece frame of drop forged steel
• Quick and easy adjustment • Extremely hard and stable one-piece spindle (the heart of our accuracy)
• Quick and easy adjustment

231 and 231M Micrometers (0-1" Range) 221 Hi-Precision Micrometer (0-1" Range)
Cat. No. EDP Range Graduation Cat. No. EDP Graduation
T231XRL 63967 0-1" .0001" T221XL 50754 .0001"
V231MXRL 63969 0-25mm 0.001mm Deluxe Padded Case for 221 Hi-Precision Micrometer
Deluxe Padded Case for 231 and 231M Micrometers Cat. No. EDP Description
Cat. No. EDP Description 910 55397 Case for 1" (25mm) Micrometers
942 55961 Case for 1" (25mm) Micrometers

V231MXRL T221XL

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