Letter Z Cobalt Screw Machine Drill Bit, Coated, 135° point - Chicago-Latrobe 50855

Chicago-Latrobe

Letter Z Cobalt Screw Machine Drill Bit, Coated, 135° point - Chicago-Latrobe 50855

MFR# 50855Series 559

$16.01List $20.53 Save 22%
In stock - ships in 1-3 business days
Request a quote
  • Fast sourcing
  • Regrinding available
  • 20+ yrs expertise
Flutes2
CoatingCoated

Description

The Chicago-Latrobe 50855 is a Letter Z Cobalt Screw Machine drill bit with a Coated finish, 135° point. Suited for cast iron, steel. 2 flute length, 3-3/8 overall length. Series 559.

Specifications

Coating finishCoated
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0010 in
Drill bit gradeHeavy Duty
Drill bit size0.4130
Drill bit size letterZ
Drill bit size range0.4000 to 0.4500
Drill length typeScrew Machine
Drill point angle135
Flute length in2
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in3-3/8
Point typeSplit
Primary workpiece materialCast Iron; Steel
Shank typeStraight-Cylindrical
Spiral typeRegular
StandardsISO
Tool materialCobalt
Tool performanceHeavy-Duty
Web configurationParallel
Web thinningWeb-Thinned
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.