The Starrett 430 series dial indicating micrometer has a vernier scale in inch units for taking precise outside diameter (OD) measurements, a dial gage for Go/No-Go (GO/NG) tolerance inspection, and carbide faces for wear resistance.
This item is no longer available.
The direct replacement is 673XZ.
For additional support, please contact our customer service department at (978) 249-3551.
[Discontinued 10/2022]