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A| Style | Model | Inscribed Circle | Insert Thickness | Insert Screw | Type | Shank Dia. | Cutting Direction | Overall Length | Insert Shape | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | TPBN20-4 | 1/2" | 0.187" | TS-83-4M1 | Standard Steel | 1 1/4" | Right Hand | 12" | Triangle Positive | £172.05 | |
| A | TPBN20-3 | 3/8" | 0.156" | TS-44-3M1 | Standard Steel | 1 1/4" | Right Hand | 12" | Triangle Positive | £172.05 |
High-quality Dorian boring bars are designed to enlarge or finish inside diameters of wood, metal and plastic workpieces on lathes and other CNC machines. These bars come in standard steel construction and feature a right-hand cutting direction which offers the direction of rotation, i.e. either clockwise or counterclockwise. Choose from a wide range of Doring boring bars available in TPBN20-4 & TPBN20-3 styles and screw lock mounting on Raptor Supplies.