Superbee R8 Shank Convex Radius Cutters
R8 Shank Series R - Convex Radius Cutters
R8 shank cutter bodies provide easy use in Bridgeport-style machines.
Thirty convex radii are stocked in .010" increments, including fractional and metric sizes.
Positive geometry provides more aggressive cutting action. The proprietary pocket design improves repeatability, reduces runout, and supports better finishes.
Select the required convex radius option in the order dropdown; contact us for selection assistance.
| Radius Option | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 |
|---|---|---|---|---|---|---|---|---|
| Insert Radius | .007"-.060" | .070"-.130" | .140"-.190" | .200"-.250" | .312" | .375" | .437" | .500" |
R8 Shank Series R1
| Part No. | D | Shank | L1 | L2 | Flutes | E | Insert | Price / Qty / Order |
|---|---|---|---|---|---|---|---|---|
| SUPERBEE BE64215R8R1 | 1.000 | R8 | 4.500 | 1.250 | 2 | 0.625 | EM15 |
R8 Shank Series R2
| Part No. | D | Shank | L1 | L2 | Flutes | E | Insert | Price / Qty / Order |
|---|---|---|---|---|---|---|---|---|
| SUPERBEE BE64215R8R2 | 1.000 | R8 | 4.500 | 1.250 | 2 | 0.625 | EM15 |
R8 Shank Series R3
| Part No. | D | Shank | L1 | L2 | Flutes | E | Insert | Price / Qty / Order |
|---|---|---|---|---|---|---|---|---|
| SUPERBEE BE64215R8R3 | 1.000 | R8 | 4.500 | 1.250 | 2 | 0.625 | EM15 |
R8 Shank Series R4
| Part No. | D | Shank | L1 | L2 | Flutes | E | Insert | Price / Qty / Order |
|---|---|---|---|---|---|---|---|---|
| SUPERBEE BE64215R8R4 | 1.000 | R8 | 4.500 | 1.250 | 2 | 0.625 | EM15 |
R8 Shank Series R5
| Part No. | D | Shank | L1 | L2 | Flutes | E | Insert | Price / Qty / Order |
|---|---|---|---|---|---|---|---|---|
| SUPERBEE BE64215R8R5 | 1.000 | R8 | 4.500 | 1.250 | 2 | 0.625 | EM15 |
R8 Shank Series R6
| Part No. | D | Shank | L1 | L2 | Flutes | E | Insert | Price / Qty / Order |
|---|---|---|---|---|---|---|---|---|
| SUPERBEE BE64215R8R6 | 1.000 | R8 | 4.500 | 1.250 | 2 | 0.625 | EM15 |