Starrett Micrometers – Series 221

Product Description

T221XL Starrett Hi-Precision Micrometer: 0-1″

The Starrett T221XL Hi-Precision Micrometer has the following specifications:

• Range: 0-1″
• Graduations: .0001″
• Accuracy: +/- .00005″
• Anvil/Spindle Material: Carbide
• Lock Nut Type: Knurled Ring Type
• Thimble Type: Special High Precision

Features:

• Permits direct readings in ten-thousandths of an inch (.0001″) without a vernier, plus automatic control of spindle pressure
• Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
• Balanced frame and thimble design for easy handling and better readability
• Gracefully designed tapered frame for use in narrow slots and tight places
• Quick and easy adjustment
• Exclusive constant pressure mechanism eliminates “feel” and ensures constant spindle pressure for all readings
• Carbide Faces
• Lock Nut
• Micro-lapped measuring faces
• Starrett satin chrome finish – no glare – resists rust
• Ring-type knurled lock nut for quick and sure locking
• Rigid one-piece frame of drop forged steel
• Extremely hard and stable one-piece spindle
• Convenient decimal equivalents on inch tools
• Black graduated inner thimble and sleeve reading in thousandths and graduated outer thimble and sleeve give direct readings in ten-thousandths
• Precise instant, direct readings in ten-thousandths of an inch (.0001″)

The Starrett T221XL Hi-Precision Micrometer is one of Starrett’s most accurate micrometers.