Small Hole Threading & Grooving Bars
SMALL HOLE THREADING & GROOVING BARS
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| Boring Bar Type |
Material | Coolant Port |
Min Bore |
L | D | C | F | H | Part Number |
| BFR3 | Steel | N | 0.312 | 5 | 0.5 | 1 | - | 0.045 | T-BFR-312S |
| Y | 0.312 | 5 | 0.5 | 1 | - | 0.045 | T-BFR-312SC | ||
| Heavy Metal | N | 0.312 | 5 | 0.5 | 1.25 | - | 0.045 | T-BFR-312HM | |
| Y | 0.312 | 5 | 0.5 | 1.25 | - | 0.045 | T-BFR-312HMC | ||
| BHR3 | Steel | N | 0.312 | 4 | 0.5 | 0.75 | - | 0.060 | T-BHR-312S |
| Heavy Metal | N | 0.312 | 4 | 0.5 | 1 | - | 0.060 | T-BHR-312HM | |
| BB | Steel | N | 0.312 | 5 | 0.5 | 0.75 | 0.156 | 0.070 | T-BB-312S |
| N | 0.344 | 5 | 0.5 | 0.75 | 0.152 | 0.070 | T-BB-344S | ||
| N | 0.375 | 5 | 0.5 | 0.75 | 0.1625 | 0.070 | T-BB-375S | ||
| N | 0.44 | 5 | 0.5 | 1 | 0.1900 | 0.070 | T-BB-440S | ||
| Heavy Metal | N | 0.312 | 5 | 0.5 | 1 | 0.1560 | 0.070 | T-BB-312HM | |
| N | 0.344 | 5 | 0.5 | 1 | 0.1520 | 0.070 | T-BB-344HM | ||
| N | 0.375 | 5 | 0.5 | 1.25 | 0.1625 | 0.070 | T-BB-375HM | ||
| N | 0.44 | 5 | 0.5 | 1.5 | 0.1900 | 0.070 | T-BB-440HM | ||
| Carbide | N | 0.312 | 5 | 0.5 | 1.25 | 0.1560 | 0.070 | T-BB-312C | |
| N | 0.44 | 5 | 0.5 | 1.5 | 0.1900 | 0.070 | T-BB-440C | ||
| BFR4 | Steel | N | 0.4 | 5 | 0.5 | 1 | - | 0.050 | T-BFR-400S |
| Heavy Metal | N | 0.4 | 5 | 0.5 | 1.25 | - | 0.050 | T-BFR-400HM | |
| BTR | Steel | N | 0.5 | 5 | 0.5 | 1.25 | 0.2250 | 0.075 | T-BTR-500S |
| Heavy Metal | N | 0.5 | 5 | 0.5 | 1.5 | 0.2250 | 0.075 | T-BTR-500HM |