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Dormer R4593.7 6718992 140° Drill 3.70 mm
MODEL 6718992
$176.85 Each
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Drill point 140°
Basic Standard
DORMER
Coating
TiAlN
Coating process
PVD
Coating property (CTP)
1
Connection (shank) description
Cylindrical shank DIN 6535 HA
Connection diameter - inch (DCON MS)
0.2362
Connection diameter - millimeter (DCON MS)
6
Connection diameter tolerance machine side (TCDCONMS)
h6
Coolant supply property (CSP)
1
Cutting diameter - inch (DC)
0.1457
Cutting diameter - millimeter (DC)
3.7
Cutting diameter tolerance class (TCDC)
m7
Drill Length
Long
EDP number
46718992
Hand (Cutting direction)
Right
Length chip flute - inch (LCF)
1.4567
Length chip flute - millimeter (LCF)
37
Material
HM
Material application
K - Cast iron, N - Non-ferrous metals, P - Steel and cast steel
MID number
6718992
Ordering code ANSI
R4593.7
Overall length - inch (OAL)
3.1102
Overall length - millimeter (OAL)
79
Point Angle (SIG)
140
Shank length - millimeter (LS)
36
Spiral form
CTW
Usable length (ULDR)
8
R459 carbide drills are manufactured from premium carbide and can be used for drilling many materials including steels, aluminium and stainless steels.
They are high performance drills, able to produce accurate, high quality holes (H9 hole tolerance) even at higher speeds and feeds which can be achieved thanks to the special CTW flute design (Continuously Thinned Web) and coolant feed.
R459 carbide drills have a 140 degree 4-facet, split point to help with self-centering and reduce the force needed to drill into the workpiece.
The drills are coated with titanium aluminium nitride which improves tool life and enhances performance when drilling harder materials
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