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This is a slightly heavier micrometer with thermal insulators mounted on the frame front and rear. This spindle and anvil are sized at .250" (6.35mm).
READABILITY FEATURES • 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 FEATURES
• Balanced frame and thimble design ensure easy handling and better readability
• Ring-type knurled lock nut for quick and sure locking
• A 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
ACCURACY AND LONG-LIFE FEATURES • Rigid one-piece frame of drop forged steel
• Extremely hard and stable one-piece spindle (the heart of our accuracy)
• Quick and easy adjustment
231 and 231M Micrometers (0-1" Range) Cat. No. T231XRL
EDP V231MXRL
63967 63969
EDP 55961
221 HI-PRECISION MICROMETER 0-1"
• Permits direct readings in ten-thousandths of an inch (.0001") without a vernier, plus automatic control of spindle pressure
• Black graduated inner thimble and sleeve reading in thousandths and red graduated
outer READABILITY FEATURES
• Exclusive constant pressure mechanism eliminates "feel" and ensures constant spindle pressure for all readings