Page 624 - Yamawa_European_Catalogue_YEU21

Center Drills

AUCDS
Intro

SP
Low helical fl uted A type 60° Single-Ended Center Drills,
Coated
FEATURES
Easy positioning and high precision machining.
SL
HSS COATING Low helix for medium hardness workpiece materials.

PO
P2 P3 P4 K1 K2
Carbon and Medium Grey Nodular
Work-materials low alloy alloy steel High alloy cast iron cast iron
ST steel
Vc (m/min) 20÷40 20÷40 30÷40 10÷40 10÷40
DC fn (mm/rev) fn (mm/rev) fn (mm/rev) fn (mm/rev) fn (mm/rev)
1 0.02÷0.07 0.02÷0.07 0.02÷0.07 0.02÷0.07 0.02÷0.07
1.5 0.02÷0.07 0.02÷0.07 0.02÷0.07 0.02÷0.07 0.02÷0.07
ROLL 2 0.02÷0.07 0.02÷0.07 0.02÷0.07 0.02÷0.07 0.02÷0.07
2.5 0.02÷0.07 0.02÷0.07 0.02÷0.07 0.02÷0.07 0.02÷0.07
YMW-AUCDS
3 0.04÷0.12 0.04÷0.12 0.04÷0.12 0.04÷0.12 0.04÷0.12
4 0.04÷0.12 0.04÷0.12 0.04÷0.12 0.04÷0.12 0.04÷0.12
CARBIDE 5 0.06÷0.17 0.06÷0.17 0.06÷0.17 0.06÷0.17 0.06÷0.17
6 0.06÷0.17 0.06÷0.17 0.06÷0.17 0.06÷0.17 0.06÷0.17

LONG
Product Features
DCON
HAND DC
TAPS Higher DC and DCON accuracy
for great improvement in drilling
precision and surface roughness

EG (STI)

SPECIAL
THREADS,
GAUGES LCF Shorter LCF for higher speed and feed

THREAD
MILLS

DOUBLE-ENDED TYPE SINGLE-ENDED TYPE
DIES The extended
Smaller fl exibility shank gives more
in the overhang Minimum overhang Minimum
portion clamping length fl exibility clamping length

CENTER
DRILLS
YMW

Technical
info

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