| Mã đặt hàng | Số mũi khoan | Kích cỡ | Chiều cao bậc | Đường kính chuôi kẹp | Chiều dài |
| mm | mm | Ø h9 mm | mm | ||
| 257540.0100 | 3 | 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 | 4 | 6 | 79 |
| 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 | 4.5 | 9 | 71 | ||
| 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 24 / 26 / 28 / 30 | 4 | 10 | 100 |
TiN coating, in metal case.
TiN coating gives longer service life, higher cutting speeds and reduced edge build-ups.
Consisting of:
257530.0100: 1 pieces Multistep drill Type Multistep, HSS, TiN L1-S TiN 4.0-12.0mm
257530.0200: 1 pieces Multistep drill Type Multistep, HSS, TiN L2-S TIN 6.0-20.0 mm
257530.0300: 1 pieces Multistep drill Type Multistep, HSS, TiN L3-S TIN 6.0-30.0 mm
