Page 98 - Yamawa_European_Catalogue_YEU21

Spiral Fluted Taps

MHSP
Intro

Z-PRO Series
SP Spiral Fluted Taps for Carbon Steel of Medium Hardness,

DIN Coated
FEATURES
Z-PRO Series for Medium Hardness workpiece materials.
2.5P
SL HSS-Co COATING Most suitable for high carbon steel (C48 ÷ C55) and alloy
SYNCHRO THCHT steel 20 ÷ 30HRC.
Long life thanks to HSSCo substrate and special coating.
High spiral design allows smooth chip ejection at middle-
high cutting speed.
Recommended Tapping Speeds Depending On Materials
PO
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
CARBIDE
Cutting speed
ISO 5m/min 10m/min 15m/min 20m/min 30m/min 50m/min
Material
P4 Alloy 25crMo4 Synchro-rigid Areay Synchro
steel MHSP
LONG
C45
Medium
P3 and high
carbon
steel
HAND C30
TAPS P2
C25 VUSP HFISP
Low SP
carbon
and HFIHS
P1 structural AU+SP
steel ST44-2
EG (STI)
Process Data
After 550 holes
SPECIAL Work-material 42CrMo4 - 1.7225 (35HRC)
THREADS, Threading speed 12 mm
GAUGES
Tapping speed 15 m/min
Machine Vertical machining center
THREAD Lubricant Water soluble oil
MILLS

General Large wear
Purpose SP
DIES MHSP Still running
Still running
(threads)

CENTER
DRILLS

Technical
info

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