Acrow BT50-SM40-150 – Shell Mill Arbor (Ø40 mm Bore, BT50 Taper) Insize Three Point Internal Micrometer 10-12mm Range Series 3227-12 The Insize 2121-15 Digital Internal

The Insize 2121-15 Digital Internal Caliper Gauge is designed for accurate and convenient measurement of small internal diameters ranging from 5 to 15 mm

Power Supply: Battery (type not specified in datasheet)

With its 1:48 taper ratio and straight flute geometry

Part Number: 4843-1

ØD (Arbor Diameter): 32 mm

Acrow BT50-SM40-150 – Shell Mill Arbor (Ø40 mm Bore, BT50 Taper) Insize Three Point Internal Micrometer 10-12mm Range Series 3227-12 The Insize 2121-15 Digital InternalAcrow BT50 SM40 150 Shell Mill Arbor (40 mm Bore, BT50 Taper) The Acrow BT50 SM40 150 is a long projection Shell Mill Arbor designed for 40 mm bore face mills, shell end mills, and similar tooling. With its 150 mm overall length, it provides extended reach while maintaining high rigidity and precision. The arbor is constructed from hardened alloy steel and precision ground to ensure optimal concentricity, balance, and surface finish quality during