| Type No. | Diameter | Flute Length | O.A.L. | Shank Dia. |
|---|---|---|---|---|
| D1 | L1 | L3 | D2 | |
| GB0304 | R1.5 | 12 | 50 | 3 |
| GB0404 | R2.0 | 15 | 50 | 4 |
| GB0604 | R3.0 | 20 | 60 | 6 |
| GB0804 | R4.0 | 22 | 60 | 8 |
| GB1004 | R5.0 | 25 | 75 | 10 |
| GB0304M | R1.5 | 12 | 75 | 3 |
| GB0404M | R2.0 | 15 | 75 | 4 |
| GB0604M | R3.0 | 30 | 80 | 6 |
| GB0604L | R3.0 | 30 | 100 | 6 |
| GB0804M | R4.0 | 32 | 100 | 8 |
| GB1004M | R5.0 | 40 | 100 | 10 |