HSS Twist Drill Bits, Roll-forged with Tin Coated

* 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.
* Polished flute for the most accurate hole dimensions and high concentricity.
* Titanium nitride coating ensure longer bit life.
* 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

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:    1/16"   ~   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