
THCHT
PO Recommended Tapping Speeds Depending On Materials
ISO Vc (m/min) ISO Vc (m/min) ISO Vc (m/min) ISO Vc (m/min)
| P1 | 10÷25 | H | M1 5÷15 | H | K2 | 10÷20 | I | N1 | 10÷30 | H | |
| P2 | 10÷25 | H | M2 5÷10 | I | N2 | 10÷30 | H | ||||
| ST | P3 | 10÷25 | H | N3 | 10÷25 | I | |||||
| P4 | 10÷20 | H | N4 | 10÷20 | I | ||||||
| P7 | 5÷15 | H |
H 1st choice I suitable ROLL
Product Features
Hole
Lubricant Hand tapping Drilling machine
shape
| HT | ISP | SP | |
| set | |||
| IHT | IPOIPO | POPO |
EG (STI)
FEATURES Longer Life - Great improvement thanks to the new premium grade of powder high speed steel and new special coating. New Flute Shape - Improved chip ejection, reduced cutting resistance and excellent internal threads fi nishing thanks to unique fl ute shape. For wide range of workpiece materials: steel, alloy steel, stainless steel and aluminium.
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DIN-VUSP DIN-VUSP
Low speed Middle speed
Vc ≤ 25 m/min
Process Data
THREADS, M3×0.5 GAUGES No wear after 250 Work-material Ck50 - 1.1213 threads with VUSP Thread length 4.5 mm
| THREAD | Tapping speed | 20 m/min | |
| MILLS | Machine | Vertical machining center | |
| Lubricant | Water soluble oil | ||
| DIES | Competitor | Large wear |
VUSP Little wearLittle wear (threads) CENTER DRILLS