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Dormer G40020.5 5979242 Countersink for High Precision Chucks - 90° 3FL 20.50 mm
MODEL 5979242
$223.27 Each
Prices are subject to change
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California Prop 65 warningApplicationAngleIcon_DICT_SEL
Countersinking 90°
Basic Standard
DIN 335 C
Coating
Bright
Connection diameter - inch (DCON MS)
0.3937
Connection diameter - millimeter (DCON MS)
10
Connection diameter tolerance machine side (TCDCONMS)
h6
Cutting diameter step - millimeter
3.5
EDP number
128756
Flute count (NOF)
3
Hand (Cutting direction)
Right
Length chip flute - millimeter (LCF)
12.5
Material
HM
MID number
5979242
Ordering code ANSI
G40020.5
Overall length - inch (OAL)
2.4803
Overall length - millimeter (OAL)
63
Point Angle (SIG)
90
Shank
Cylindrical shank
Countersink with 3-flutes, 90° chamfering angle, maximum diameter 20.50mm with an overall length of 63mm and a head length of 12.5mm and 10mm 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 3.50mm, 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.
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