Resinoid CBN Internal Points
BIR-Series Shank: Ø6.0mm / Length: 80mm SKD11
| Model No. | Ø D | X | T | N | L | Ø B | Grit Size | |
| #200 | #400 | |||||||
| BIR-3040 | 4.0 | 1.0 | 5 | 12 | 45 | 3 | ● | |
| BIR-3045 | 4.5 | 1.25 | 6 | 12 | 45 | 3 | ● | |
| BIR-3050 | 5.0 | 1.5 | 6 | 12 | 45 | 3 | ● | |
| BIR-6060 | 6.0 | 2.0 | 6 | 15 | 80 | 6 | ● | |
| BIR-6070 | 7.0 | 2.5 | 8 | 15 | 80 | 6 | ● | |
| BIR-6080 | 8.0 | 3.0 | 8 | 20 | 80 | 6 | ● | |
| BIR-6100 | 10.0 | 2.0 | 10 | 20 | 80 | 6 | ● | |
| BIR-6120 | 12.0 | 3.0 | 10 | - | 80 | 6 | ● | |
| BIR-6140 | 14.0 | 4.0 | 10 | - | 80 | 6 | ● | |
| BIR-6160 | 16.0 | 4.0 | 10 | - | 80 | 6 | ● | |
| BIR-6180 | 18.0 | 5.0 | 10 | - | 80 | 6 | ● | |
| BIR-6200 | 20.0 | 6.0 | 10 | - | 80 | 6 | ● | |