HSS TWIST DRILL BITS, ROLL-FORGED

Parameters of HSS TWIST DRILL BITS, ROLL-FORGED

FEATURE:

  • Hot roll-forged fluted with special heat treatment gives additional toughness with increased durability of the drill bit.
  • 118 degree point angle design for general purpose.
  • Black oxide finish for greater resistance to wear.
  • Economical high speed steel bit for general drilling.
  • For drilling in steel, cast steel, malleable iron, sintered metal, non-ferrous metal and plastic.

HSS TWIST DRILL BITS, ROLL-FORGED

SURFACE TREATMENT OPTIONS:

  • Black nitride
  • Black and Sliver
  • Sliver
  • Titanium plating
  • Black and yellow
  • Roasted yellow

MATERIAL OPTIONS:

  • HSS-M35/M2/W4341/W4241

 

SET OPTIONS:

  • 5pcs Black Oxide HSS Dril Bits Set in plastic box. (contain: 4,5,6,8,10mm)

 

  • 8pcs Black Oxide HSS Drill Bits Set in plastic box. (contain: 3, 4, 5, 6, 7, 8, 9, 10mm)

 

  • 13pcs Black Oxide HSS Drill Bits Set in plastic box. (contain: 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8mm)

 

  • 13pcs Black Oxide HSS Drill Bits Set in plastic box. (contain: 1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, 6.5mm)

 

  • 13pcs Black Oxide HSS Drill Bits Set in metal box. (contain: 1.5, 2, 2.5, 3, 3.2, 3.5, 4, 4.5, 4.8, 5, 5.5, 6, 6.5mm)

 

  • 19pcs Black Oxide HSS Drill Bits Set in metal box with clamshell. (contain: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10mm)

 

  • 25pcs Black Oxide HSS Drill Bits Set in metal box. (contain: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm)

 

ITEM NO.DIA (MM)WORKING LENGTH (MM)OVERALL LENGTH (MM)
11.01234
21.51840
32.02449
42.53057
53.03361
63.23665
73.53970
84.04375
94.24375
104.54780
114.85286
125.05286
135.55793
146.05793
156.563101
167.069109
177.569109
188.075117
198.575117
209.081125
219.581125
2210.087133
2310.587133
2411.094142
2511.594142
2612.0101151
2712.5101151
2813.0101151

 

*We can customize products according to your needs and welcome to ask us!