Starrett Mul-T-Anvil Micrometers
No. 220 Series (0 - 2")
No. 220M Series (0 - 50 mm)
This tool was a new development in micrometer design and the patent is held by Starrett. This micrometer will handle a wide variety of measurements impossible to obtain with regular
micrometers, such as measuring the wall thickness of tubing, cylindrical walls from a hole or slot to an edge, many hard-to-reach locations, and the thickness of screw heads, shoulder lengths, etc.
A most interesting feature of this tool is that additional anvils of various shapes can be made up, and many of these anvils do not have to be hardened for that "special job".
This Starrett Mul-T-Anvil Outside Micrometer can be furnished with .0001" graduations, but we recommend .001" or 0.01 mm for easier and more accurate readings. The Starrett Company, with our years of
experience, recommends this because the anvils on this type of tool are not backed up by a frame as in a regular micrometer and could bend slightly.
Ease-of-Handling Features
- Starrett balanced frame and thimble design insure easy handling and better readability
- Ring-type knurled lock nut for quick and sure locking
- Combination ratchet and speeder for uniform pressure and quicker adjustment
- A choice of smooth friction thimble for uniform pressure or the combination ratchet and speeder for uniform pressure and quicker adjustment
- Interchangeable anvils are rigidly held in the vise type frame and quickly interchanged by a single lock screw adjustment
- Two hardened anvils furnished - round anvil approximately .120" diameter (3 mm) and flat anvil approximately .125" (3 mm) and .060 (1.5 mm) thick
- "V" Anvil for measuring thickness of screw heads and shoulder lengths available separately
- Accommodates special anvils up to 5/16" (8 mm) thick
- Can be used as a height gage by removing the vise jaw
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
Accuracy and Long-Life Features
- Starrett rigid one-piece frame of drop forged steel
- Extremely hard and stable one-piece spindle (the heart of our accuracy)
- Micro-lapped measuring faces
- Quick and easy adjustment
- Starrett workmanship
- Tool is accurate to ± .0002" or ± 0.004 mm
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