The Starrett 124M Solid -Rod Inside Micrometer Sets are the most popular inside micrometers because of their lightness, ease of use, and range. They are very useful for measuring inside diameters of cylinders and rings and measuring parallel surfaces. The desired range is obtained by assembling rods and spacing collars to the micrometer head. Measuring rods are provided with a shoulder that is set accurately in the micrometer head and locked in position. When assembling rods to the A and B heads, the reading line on the micrometer head should be lined up with the marking on each rod (except for the 2-3" and the 50-75mm rods). Rod diameters are approximately 1/4" (6mm) on the A and B sizes, and approximately 11/32" (8.5mm) on the C size. Each rod has individual length adjustment for the anvil by means of special wrenches furnished. 50-800mm, 0.01mm Grad, 124MA/134MC Rods with Case.
Features and Benefits
- Insulated rods marked with length
- Adjustable for length
- Measuring rods are solid
- Hardened and ground anvils
- Quick-reading figures
- 6-1/2" (165mm) long handle is available (124H)
- Micrometer Type: Inside Micrometer Set
- Range (mm): 50-800mm
- Graduations (mm): 0.01mm
- Case Type: Padded Case
- Accuracy (mm): Lead accuracy +/-.003mm per 25mm
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