IR40-SM1 1/4"-2.5" Shell Mill Hold.

Item #: SG81ER400A32063
Manufacturer: Prime Tool
Mfg #: T12ER40A13

Technical Specifications:
*Base Coupling OD: 2.480 / 63mm *Base Coupling Size: IR40 *Brand Name: Prime Tool *Dimension D1: 2.750 / 69.9mm *Key Height: 0.280 / 7.11mm *Key Width: 0.500 / 12.7mm *Length: 2.500 / 63.5mm *Overall Length: 5.240 / 133.1mm *Pilot Diameter: 1.250 / 31.75mm *Pilot Length: 0.680 / 17.3mm *Shell Mill Pilot Size: SM1-1/4 *Thread Size: 5/8-18 *Weight: 5.55564 lbs

Description:
*Precision Ground Pilot and Threads *Shaft Tolerance: H3 *Case Hardness: HRC 56 +/-2 *Seat Runout: 0.005mm (0.0002") *Balance: G2.5 @ 25,000 RPM

Shipping Info:
*Actual Weight - 5.5556