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Precision Twist Drill QC91GM8.5, part number 050285, 8.5 mm (0.3346") HSS taper length drill with TiN coating and 135° point. DIN 340 long series, right-hand cut, cylindrical shank. 109 mm flute length, 165 mm overall length.
MODEL QC91GM8.5
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$54.45 Each
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Basic Standard
DIN 340
Coating
TiN
Coating process
PVD
Coating property (CTP)
1
Connection (shank) description
Cylindrical shank
Cutting diameter - inch (DC)
0.3346
Cutting diameter - millimeter (DC)
8.5
Drill Length
Long
Hand (Cutting direction)
Right
Length chip flute - millimeter (LCF)
109
Material
HSS
Overall length - millimeter (OAL)
165
Point Angle (SIG)
135
Usable length (ULDR)
6
With a special parabolic flute design making it possible to drill deeper holes in a single pass, QC91GM taper length drills have a titanium nitride coating for longer tool life and improved performance when drilling harder materials, and are manufactured from High Speed steel, suitable for drilling a variety of materials including steels, stainless steel and aluminum.
The 135 degree split point reduces the downforce needed and helps with self-centering for more accurate holes.
QC91GM taper length drills come in a range of metric diameters from 1.50 mm to 12.5 mm.
Drill bits
Verified · SKU 6087237Work well very sharp Read more
