| Mã đặt hàng | Kích cỡ | Chiều cao bậc | Đường kính chuôi kẹp | Chiều dài |
| mm | mm | Ø h9 mm | mm | |
| 257530.0100 | 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 | 5 | 6 | 79 |
| 257530.0200 | 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 | 4.5 | 9 | 71 |
| 257530.0300 | 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 24 / 26 / 28 / 30 | 4 | 10 | 100 |
Type Multistep, HSS, TiN, with two spiral-shaped cutting grooves and fixed drill, cylindrical shank with three-surface grind.
Because of TiN coating has longer useful life, higher cutting speeds and reduced edge build-ups.
Is part of:
257540 Set of multistep drills
598584
| Mã đặt hàng | Kích cỡ | Chiều cao bậc | Đường kính chuôi kẹp | Chiều dài |
| mm | mm | Ø h9 mm | mm | |
| 257530.0100 | 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 | 5 | 6 | 79 |
| 257530.0200 | 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 | 4.5 | 9 | 71 |
| 257530.0300 | 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 24 / 26 / 28 / 30 | 4 | 10 | 100 |
Type Multistep, HSS, TiN, with two spiral-shaped cutting grooves and fixed drill, cylindrical shank with three-surface grind.
Because of TiN coating has longer useful life, higher cutting speeds and reduced edge build-ups.
Is part of:
257540 Set of multistep drills
598584
