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Dormer R4537.9 0134313 140° Coolant Drill 7.90 mm
MODEL R4537.9
$134.17 Each
Prices are subject to change
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Returnable: Yes
California Prop 65 warningBasic Standard
DIN 6537 L
Coating
TiAlN
Coating process
PVD
Coating property (CTP)
1
Connection (shank) description
Cylindrical shank DIN 6535 HA
Connection diameter - millimeter (DCON MS)
8
Connection diameter tolerance machine side (TCDCONMS)
h6
Coolant supply property (CSP)
1
Cutting diameter - inch (DC)
0.311
Cutting diameter - millimeter (DC)
7.9
Drill Length
Jobber
EDP number
134313
Hand (Cutting direction)
Right
Length chip flute - millimeter (LCF)
53
Material
HM
MID number
5979424
Ordering code ANSI
R4537.9
Overall length - millimeter (OAL)
91
Point Angle (SIG)
140
Shank length - millimeter (LS)
36
Spiral form
CTW
Usable length (ULDR)
5
Dormer’s R453 Force-X drill is manufactured from premium carbide and can be used to drill a wide range of materials including steels, stainless steels and aluminium.
The drill has a special flute design, incorporating a CTW flute (Continuously Thinned Web) and coolant feed, with increased strength, so the drill can operate at higher cutting speeds and feeds.
The titanium aluminium nitride coating improves performance when drilling harder materials and extends the life of the tool, whilst the 140 degree, 4-facet split point assists with self-centering and reduces the force needed to drill into the workpiece.
R453 high performance Force-X drills are capable of producing holes of high quality and accuracy (H9 hole tolerance), even at high speeds and feeds, with a drilling depth up to five times the diameter of the drill
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