Omega Products BT30 Test Arbor - 32mm Diameter - 250mm Gauge Length FHH minimizing deflection and helping you

minimizing deflection and helping you maintain accurate geometry on inclined surfaces

Diameter: 18 mm end mill for aggressive roughing and substantial chip removal in a single pass

5 mm — a compact size for tight pockets and fine detailing

reduces chipping risk in corners

and deep-pocket operations where reach matters

Omega Products BT30 Test Arbor - 32mm Diameter - 250mm Gauge Length FHH minimizing deflection and helping youOmega Products BT30 Test Arbor is a precision reference tool designed for BT30 tooling systems. With a 32 mm diameter and a 250 mm gauge length, it serves as a reliable master mandrel for calibration, setup checks, and fixture alignment. Designated as BT MAS403 (JIS 6339) Master Mandrel, this arbor provides a consistent seating surface for repeatable results across BT30 applications. 32 mm Diameter Core for Stable Referencing: Delivers a precise,