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Dormer G40012.4 5979199 Countersink for High Precision Chucks - 90° 3FL 12.40 mm
MODEL 5979199
$154.62 Each
Prices are subject to change
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Countersinking 90°
Basic Standard
DIN 335 C
Coating
Bright
Connection diameter - inch (DCON MS)
0.315
Connection diameter - millimeter (DCON MS)
8
Connection diameter tolerance machine side (TCDCONMS)
h6
Cutting diameter step - millimeter
2.8
EDP number
128732
Flute count (NOF)
3
Hand (Cutting direction)
Right
Length chip flute - millimeter (LCF)
8
Material
HM
MID number
5979199
Ordering code ANSI
G40012.4
Overall length - inch (OAL)
2.2047
Overall length - millimeter (OAL)
56
Point Angle (SIG)
90
Shank
Cylindrical shank
Countersink with 3-flutes, 90° chamfering angle, maximum diameter 12.40mm with an overall length of 56mm and a head length of 8mm and 8mm straight shank, according to DIN 335 C standard to produce a conical seat for ISO Metric countersunk-head screws with a minium hole diameter of 2.80mm, solid carbide with standard bright finish for machining free machining, plain carbon, alloy and tool steel, ferritic stainless steel, grey, malleable, ductile, austenitic or austempered ductile and compacted graphite cast-iron, wrought and cast aluminium, copper or copper alloys and polymers, titanium or titanium alloys, chilled, hardened cast-iron.
