
SP Spiral Fluted Taps for Carbon Steel of Medium Hardness,
FEATURES Z-PRO Series for Medium Hardness workpiece materials.
SL HSS-Co Most suitable for high carbon steel (C48 ÷ C55) and alloy
COATING THCHT steel 20 ÷ 30HRC. SYNCHRO Long life thanks to HSSCo substrate and special coating.
High spiral design allows smooth chip ejection at middlehigh cutting speed. PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min)
| P2 | 10÷30 | H | |
| P3 | 10÷25 | H | |
| ST | P4 | 10÷20 | H |
| P5 | 10÷15 | I |
H 1st choice I suitable ROLL DIN-MHSP
Product Features
| Cutting speed | 5m/min | 10m/min | 15m/min | 20m/min | 30m/min | 50m/min | ||
| ISO | ||||||||
| Material |
P4 Alloy Synchro-rigid AreaSynchroy
25crMo4 steel MHSP LONG C45
Medium P3 and high carbon steel HAND C30 TAPS P2
C25 SP VUSP HFISP
Low carbon HFIHS and AU+SP P1 structural
steel ST44-2
Process Data After 550 holes
| SPECIAL | Work-material | 42CrMo4 - 1.7225 (35HRC) |
| THREADS, | ||
| GAUGES | Threading speed | 12 mm |
Tapping speed 15 m/min Machine Vertical machining center THREAD Lubricant Water soluble oil
General Large wear Purpose SP MHSP Still runningStill running (threads)