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Dormer R4571/4 0624425 140° Coolant Drill 1/4 inch
MODEL R4571/4
$111.81 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: Yes
California Prop 65 warningBasic Standard
DIN 6537 K
Coating property (CTP)
1
Connection diameter - millimeter (DCON MS)
8
Connection diameter tolerance machine side (TCDCONMS)
h6
Coolant supply property (CSP)
1
Cutting diameter - fractional inch (DC)
1/4
Cutting diameter - inch (DC)
0.25
Cutting diameter - millimeter (DC)
6.35
Cutting diameter tolerance class (TCDC)
m7
EDP number
624425
Length chip flute - millimeter (LCF)
34
Material
HM
MID number
5979135
Ordering code ANSI
R4571/4
Point Angle (SIG)
140
Shank length - millimeter (LS)
36
Spiral form
CTW
Usable length (ULDR)
3
R457 Force-X drills, for holes up to three times the diameter of the drill, are capable of drilling holes of very high quality and accuracy (H9 hole tolerance), even at high speeds and feeds.
They are manufactured from premium carbide so can be used to drill many materials including stainless steels, aluminium and steels, and have a titanium aluminium nitride coating for longer tool life and improved performance when drilling harder materials.
Self-centering is achieved, thanks to the 140 degree, 4-facet split point, which also means less push force is needed to drill the hole.
R457 Force-X drills have a special CTW flute design (Continuously Thinned Web) plus coolant feed, which give the drills increased strength and allows them to operate at higher cutting speeds and feeds
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