
Chicago-Latrobe
31/64" Cobalt Drill Bit, TiAlN, 135° point - Chicago-Latrobe 44931
MFR# 44931Series 550TA
$32.42List $41.58
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Drill size31/64
Flutes2
CoatingTiAlN
Description
The Chicago-Latrobe 44931 is a 31/64" Cobalt drill bit with a TiAlN finish, 135° point. Suited for titanium. 4-3/8 flute length, 5-7/8 overall length. Series 550TA.
Specifications
Coating finishTiAlN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0010 to 0.0000 in
Drill bit finish coatingTiAlN
Drill bit materialCobalt
Drill bit size in31/64
Drill bit size range0.4000 - 0.5000
Drill point angle degrees135
Flute length in4-3/8
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in5-7/8
Point typeSplit
Primary workpiece materialTitanium
Shank diameter in31/64
Shank length1.5000
Shank typeStraight-Cylindrical
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsDIN 338; NAS 907 Type J
Tool performanceHigh Performance
Web configurationTapered
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.
