HSS Twist Drill Bits Roll-forged black finish
Economical high speed steel bit for general drilling.
Hot roll-forged flute with special heat treatment gives additional toughness with increased durability of the drill bit.
118 degree point angle design for general purpose, or 135 degree split point angle.
Black oxide finish for greater resistance to wear.
For drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic.
Drill Bits Set are available on request.
Metric Size are available (DIN338 Standard):
1.0mm ~ 13.0mm by 0.1mm
Sets 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: 1/16" ~ 1/2"
Letter Size: A ~ Z
Wire Gage Size: 1# ~ 60#
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
115 PCS set etc.