... %QC Detail Feature: steel spline gear shaft for car gearbox Product Name: steel gear shaftMaterials: grey iron, ductile iron ... lathe, vertical type CNC machining center, boring machine, universal miller, standing miller, vertical drill machine, bench drill ... depth caliper, micrometer, depth micrometer, raius caliper, digital caliper, digital depth caliper, ID micrometer, OD micrometer, multiple use ...