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WD10130-13PCS Twist Drill Bits
WD10130-13PCS Twist Drill Bits
Twist Drill Bits-Roll Forged
Twist Drill Bits-Roll Forged

DIN338 HSS Drill Bits Straight Shank High Speed Drill Bits For Drilling Holes Rolled Black Oxide

DIN338 HSS Drill Bits Straight Shank High Speed Drill Bits For Drilling Holes Rolled Black Oxide
Feature highlights：

Straigh and round Shank for the roll forged drill bits

Black oxide surface treatment

Economical type of the twist drill bits
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specification

DIN338 HSS Drill Bits Straight Shank High Speed Drill Bits For Drilling Holes Rolled Black Oxide

  • Type : Straigh and round Shank for the roll forged drill bits 

  • Hot roll-forged flute with special heat treatment gives additional toughness with increased durablity of the drill bit

  • Material: High speed steel 4241, 4341, 6542, and M35 are available

  • Use: Metal Drilling

  • Surface treatment: Black oxide is the standard treatment, other treatment is available

  • Process: Roll forged

twist drill bits dimension chart