Starrett Micrometers – Series 231

Product Description

T231XRL Starrett Micrometer with Insulated Frame: 0-1″

The Starrett T231XRL micrometer with insulated frame has the following specifications:

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

Features:

• This is a slightly heavier micrometer with thermal insulators mounted on the frame front and rear
• Advanced sleeve design with staggered lines and distinct figures for precise and easy readability
• Balanced frame and thimble design ensure easy handling and better readability
• Gracefully designed tapered frame for use in narrow slots and tight places
• Quick and easy adjustment
• Quick-reading figures – every thousandth numbered on inch tools
• Carbide Measuring Faces
• Ratchet Stop
• Lock Nut
• Micro-lapped measuring faces
• Starrett satin chrome finish – no glare – resists rust
• Ring-type knurled lock nut for quick and sure locking
• The anvil and spindle are sized at .250″ (6.35mm)
• Rigid one-piece frame of drop forged steel
• Extremely hard and stable one-piece spindle
• A combination ratchet and speeder for uniform pressure and quicker adjustment on all sizes

Starrett 231 & 231M Series of Micrometers with Insulated Frames:

• T231XRL Micrometer with Insulated Frame: 0-1″

• V231MXRL Micrometer with Insulated Frame: 0-25mm