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This is the jewel of precision micrometers used by skilled workmen worldwide.
The spindle and anvil are sized at .235" (6 mm) to reach places most micrometers cannot reach.
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
- Convenient decimal equivalents on Inch tools
Ease-of-Handling Features
- Balanced frame and thimble design insure easy handling and better readability
- Ring-type knurled lock nut for quick and sure locking
- A choice of smooth friction thimble for uniform pressure or the combination ratchet and speeder for uniform pressure and quicker adjustment
- 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)
- Micro-lapped measuring faces
- Quick and easy adjustment
- Starrett workmanship
Outside Micrometers - No. 230, 230M Series
Range 0-1"
Range 0-25 mm
Range 0-1"
| Catalog No. |
EDP No. |
Description |
List price |
| 230P |
50932 |
0-1" Range, .001" Grad, Plain |
112.00 |
| 230RL |
50935 |
0-1" Range, .001" Grad, Ratchet Stop, Lock Nut |
118.00 |
| 230FL |
50938 |
0-1" Range, .001" Grad, Friction Thimble, Lock Nut |
118.00 |
| T230RL |
50943 |
0-1" Range, .0001" Grad, Ratchet Stop, Lock Nut |
120.00 |
| T230XRL |
50944 |
0-1" Range, .0001" Grad, Carbide Faces, Ratchet Stop, Lock Nut |
125.00 |
| T230XRL W/SLC |
64401 |
0-1" Range, .0001" Grad, Carbide Faces, Ratchet Stop, Lock Nut w/Standard Letter of Certification |
165.00 |
| T230FL |
50946 |
0-1" Range, .0001" Grad, Friction Thimble, Lock Nut |
120.00 |
| T230XFL |
50947 |
0-1" Range, .0001" Grad, Carbide Faces, Friction Thimble, Lock Nut |
125.00 |
| T230XFL W/SLC |
66916 |
0-1" Range, .0001" Grad, Carbide Faces, Friction Thimble, Lock Nut w/Standard Letter of Certification |
165.00 |
Range 0-25 mm
| Catalog No. |
EDP No. |
Description |
List price |
| V230MXRL |
56017 |
0-25mm Range, 0.001mm Grad, Carbide Faces, Ratchet Stop, Lock Nut |
125.00 |
| V230MXFL |
56016 |
0-25mm Range, 0.001mm Grad, Carbide Faces, Friction Thimble, Lock Nut |
125.00 |
| 910 |
55397 |
Steel/Vinyl Case for 1" (25mm) Micrometers |
6.60 |
J.W. Donchin Co.
 Ph: 773-261-2182 • Fax: 773-261-2867 • Email: sales@jwdonchin.com
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