| Mã đặt hàng | Size | Dải khoan | Đường kính chuôi kẹp | Chiều dài chuôi kẹp | Chiều dài |
| mm | mm | Ø mm | mm | ||
| 257710.0100 | 0 | 3...14 | 6 | 25 | 58 |
| 257710.0200 | 1 | 8...20 | 8 | 25 | 66 |
| 257710.0300 | 2 | 16...30.5 | 9 | 25 | 77 |
| 257710.0400 | 3 | 26...40 | 9 | 30 | 90 |
| 257710.0500 | 4 | 36...50 | 9 | 30 | 87 |
| 257710.0600 | 5 | 46...60 | 12 | 30 | 94 |
| 257710.0700 | 6 | 4...30.5 | 10 | 25 | 90 |
Type KSB tapered
HSS, TiN coating,cylindrical shank with three-surface grind, taper 20°, twist ground inside.
The progressive boring drill makes holes in thin materials without pre-boring, and expands existing
holes. Can also be used for slanted holes and tubes.
Because of TiN coating has longer useful life, higher cutting speeds and reduced edge build-ups.
Is part of:
257760 Set of taper drills
