Page 136 - Yamawa_European_Catalogue_YEU21

Spiral Fluted Taps

SP+VA
Intro

MS Material Specifi c Series
SP Plus Series Spiral Fluted Taps for Stainless Steel

DIN
FEATURES
Material specifi c for blind hole application. High precision
2.5P blank and enhanced geometry allow top performance in
SL HSS-E OX term of thread accuracy and tool life.
THCHT
Most suitable for stainless steel, steel and alloy steel.
OX treatment reduces welding troubles.
Recommended Tapping Speeds Depending On Materials
PO
ISO Vc (m/min) ISO Vc (m/min)
P2 ≤10 H M1 ≤10 H
P3 ≤10 H
ST P4 ≤10 I
P7 ≤10 H
H 1st choice I suitable
ROLL

DIN-SP+VA
Product Features
CARBIDE · Lower cutting torque due to special design
· Improved chip ejection and better thread finishing AISI 316
1.4401
· Increased tool life
M6×1
LONG Work-material AISI 304 - 1.4350 AISI 304 SP+VA Synchronized
1.4350
feed zone
Tapping length 9 mm, blind hole Competitor
Tapping speed 8 m/min Hardness and tensile strength AISI 303
HAND Hole diameter ø 5.0 1.4305 A Asynchronizedsynchronized
f
feed zoneeed zone
TAPS Machine Vertical machining center
Lubricant Tapping oil 0m/min 5m/min 10m/min 15m/min 20m/min
Tapping speed
EG (STI)

(N-cm)
1,250
wo
worr
SPECIAL Still working 350 SP+VA
THREADS, Competitor
GAUGES 1,000 325
Number of tapped holes
THREAD 750 300
MILLS 500 Torque 275

250
250
DIES
225
0
SP+VA Competitor 200
250holes 500holes 750holes 1,000holes
CENTER Number of tapped holes
DRILLS

Technical
info

134