The disc micrometer hardened steel has 75 to 100 mm with a 20 mm disk and measures the root tangent length of the spur and helical gears and other hard-to-reach features.
The disc micrometer hardened steel has 75 to 100 mm with a 20 mm disk and measures the root tangent length of the spur and helical gears and other hard-to-reach features.