CAT40 Shell Mill Holder 3/4" Pilot Diameter x 1-3/8" Gage Length, Balanced to 25000 RPM at G2.5 DIN AD+C Coolant Feeding Feature
| Arbor/Pilot Diameter (D2) | in | 3/4 |
| Gage Length (L1) | in | 1-3/8 |
| Head Diameter (D1) | in | .88 |
| Arbor/Pilot Length (L2) | in | .68 |
| Major Diameter (D3) | in | 1.69 |
| Arbor Screw Thread | 3/8-24 | |
| Key Width | in | 5/16 |
GA8-120-4015P