Page 274 - Yamawa_European_Catalogue_YEU23
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Straight Fluted Taps
PMST
Intro
MS Material Specific Series
SP
Straight Fluted Taps for Hard Materials (<45HRC)
FEATURES
Material specific for blind and through hole application.
2.5P
SL HSS-P OX Specific design and premium grade HSSP for stable
THCHT and long life on alloy steel and tool steel (30 ÷ 45HRC)
application.
Reliable and high performance tapping for the mould&die
industry.
Recommended Tapping Speeds Depending On Materials
PO
ISO Vc (m/min)
P3 ≤5 +
P4 ≤5 +
ST P5 ≤5 +
P6 ≤5 +
DIN
+ 1st choice , suitable
ROLL
DIN-PMST
Product Features
CARBIDE
ISO Materials Hardness Recommended tapping speed (Vc <5m/min)
5m/min
High tensile
LONG P6 strength steel 40÷45 HRC
Tool steel
HAND P5 (100MnCrW4-1.2510 30÷40 HRC PM (HSS-P)
TAPS 40CrMnMo7-1.2311)
High alloy
P4 steel 25÷30 HRC
EG (STI) (CrMo, NiCrMo)
Most Suitable Suitable
SPECIAL
THREADS, Bored Hole Ø (mm) A - B
GAUGES
When Threads have When Threads do not have
non-Full Threads the non-Full Threads
THREAD Basic Diameter Position
MILLS A B
DIES
CENTER
DRILLS
Technical
info
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