Bt 50 no.4 jacobs taper adapter, 1.75" projection

Bt 50 no.4 jacobs taper adapter, 1.75" projection

High alloy material (Chrome, Molybdenum, Manganese) hardened to 60RC assures rigidity and long life of tool holder. The taper shank is ground to .00003" surface finish and has 90% surface taper contact with spindle, which provides high accuracy, rigidity and longer life for the machine spindle and cutting tool. All surfaces except ground surfaces are coated with anti-rust treatment.
* Gage Length (Dim. L): 1.75"
* Type: Jacobs Taper #4 Adapter
DRILL CHUCK AND DRILL ARE NOT INCLUDED