Generally Use White Finish HSS Jobber Drill HSS Forged Drill Bit 4241 Half Ground HSS Twist Drills (SED-HTW)

generally use white finish HSS jobber drill HSS forged drill bit 4241 Half Ground HSS Twist Drills

1. Material: 4241, 4341, 9341, 6542, M2, M35, and M42 +Co 5% etc.(sample:HSS4241 material)
2. Process art: Fully ground, roll forged and edge forged twist drill. (samples: roll forged)
3. Application: For drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic etc
4. Packing: punch bag,Paper box, or Plastic box.
5. Dia Size: 1mm-21mm
6.surface finish: bright white,Black,Tin-coated etc. (samples: bright white)
7.Standard :DIN338,DIN340,DIN345,DIN1897 etc.
8.Economical high speed steel bit for general drilling.
9.Hot roll-forged flute with special heat treatment gives additional toughness with increased durability of the drill bit.
10.118 degree point angle design for general purpose, or 135 degree split point angle.
11.Polished flute for the most accurate hole dimensions and high concentricity.

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 ):
1/16" ~ 1/4" x 13 PCS set
1/16" ~ 3/8" x 21 PCS set
1/16" ~ 1/2" x 29 PCS set