HSS Parabolic Flute Deep Hole Drill Bits
Hardened high speed steel body provides additional safeguard.
135 degree split point angle, bright finish.
Parabolic Flute Deep Hole Drill Bits have a good rigidity and stability. The larger flute makes it easy to removal the chips. The point of the drill has two type, which includes Cross type and S type, such grinding method makes the drill easy to penetrate to the workpiece and suitable to drill deep hole.
Parabolic Flute Deep Hole Drill Bits are for deep hole drilling at higher feed rates in aluminum alloys and other low to medium tensile strength materials.
HSS cobalt high speed steel are available on request.
Drill Bits Set are available on request.
Long length or Ex-long Length Parabolic Flute Deep Hole Drill Bits are available on request.



Metric Size are available (DIN338 Standard):
1.0mm ~ 13.0mm by 0.1mm
Set are available:
1.5 ~ 6.5mm x 13 PCS set
1.0 ~ 10mm x 19 PCS set
1.0 ~ 13mm x 25 PCS set

Inch Size are available (ANSI B94.11M-1993 Standard):
Fractional Size: 1/64" ~ 1/2"
Letter Size: A ~ Z
Wire Gage Size: 1# ~ 52#
Set are available:
1/16" ~ 1/4" x 13 PCS set
1/16" ~ 3/8" x 21 PCS set
1/16" ~ 1/2" x 29 PCS set