0.3937" Cobalt Drill Bit, Straw, 135° point - Chicago-Latrobe 49021

Chicago-Latrobe

0.3937" Cobalt Drill Bit, Straw, 135° point - Chicago-Latrobe 49021

MFR# 49021Series 559

$13.81List $17.71 Save 22%
In stock - ships in 1-3 business days
Request a quote
  • Fast sourcing
  • Regrinding available
  • 20+ yrs expertise
Flutes2
CoatingStraw

Description

The Chicago-Latrobe 49021 is a 0.3937" Cobalt drill bit with a Straw finish, 135° point. Suited for tool steel, alloyed steel, carbon steel, cast iron. Series 559.

Specifications

Coating finishStraw
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0010 in
Drill bit gradeHeavy Duty
Drill bit size0.3937
Drill bit size range0.3500 to 0.4000
Drill point angle135
Drill tip finish coatingOxide
Flute by diameter ratio4xD
Flute length1.7550
Flute typeRegular Spiral
Material gradeM42
Maximum drilling depth1.3780
Number of flutes2
Overall length3.6330
Point typeSplit Point
Primary workpiece materialTool Steel; Alloyed Steel; Carbon Steel; Cast Iron
Shank diameter0.3937
Shank length1.8780
Shank typeStraight
Specification designationDIN
Specification numberDIN 1897
Spiral typeRegular
Tool materialCobalt
Can't find your exact tool?Send us a part number — we'll cross-reference it. Dull tools?Regrinding extends tool life and saves cost.

Alternate & equivalent tools

Matched on diameter, flute count, and material. Need a specific brand or coating? Cross-reference this tool.

Spec-matched alternates load as the catalog fills in. Meanwhile, browse the End Mills collection and filter by diameter, flutes & length of cut.