 | R8 Balanced Shell Mill Holders |
| Product Number | Gage Diameter | A | B | "C" Thread | E | L | S | Drive Key # | Arbor Screw |
| R8ST3B | 1.25 | 0.750 | 0.687 | 3/8-24 | 1.625 | 6.000 | N/A | 0 | 1538 |
| R8ST4B | 1.25 | 1.000 | 0.687 | 1/2-20 | 2.000 | 6.190 | N/A | 1 | 1537 |
| Arbor Nomenclature |
LOVEJOY Tool Company, Inc. 800-843-8376