Page 610 - Yamawa_European_Catalogue_YEU23

Center Drills

Intro
AUCDS

SP
Low helical fluted 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
Work-materials low alloy Medium High alloy Grey Nodular
steel alloy steel cast iron cast iron
ST
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
3 0.04÷0.12 0.04÷0.12 0.04÷0.12 0.04÷0.12 0.04÷0.12 YMW-AUCDS
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 flexibility shank gives more
in the overhang Minimum overhang Minimum
portion clamping length flexibility clamping length

CENTER
DRILLS
YMW

Technical
info

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