STARRETT Inside Micrometers

Used to measure inside dimensions of various objects, including the diameter of a hole and the width of a groove. Can measure diameters in 1-inch increments to 0.0001-inch accuracy with 0.00005-inch resolution

Starrett inside micrometers use interchangeable rods for measuring the inside dimensions of pipes, tubes, cylinders, rings and holes. These micrometers are equipped with rods having insulated handles for minimising expansion from heat. They come integrated with ground steel supporting collars that are placed in V grooves for fine adjustments in the measurement range, when used in the horizontal position. Choose from a wide range of these inside micrometers, available in rod diameters of 0.25, 0.375 & 0.625 inches.

Starrett inside micrometer sets are suitable for measuring inside diameters of rings, setting callipers, comparing gauges, cylinders and parallel surfaces. They feature a hardened steel anvil with smooth a surface for securely holding & accurately measuring the workpiece and quickly reading the figures for precise measurements. These sets come in a rugged carrying case for secure storage & portability and selected models come with insulated rods and a hardened steel spindle for durability. Choose from a wide range of these inside micrometer sets, available in 0.250 & 0.375 inch rod diameters.