Chicago-Latrobe
Letter I Cobalt Drill Bit, TiAlN, 135° point - Chicago-Latrobe 44953
MFR# 44953Series 550TA
$13.12List $16.82
Save 21%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Flutes2
CoatingTiAlN
Description
The Chicago-Latrobe 44953 is a Letter I Cobalt drill bit with a TiAlN finish, 135° point. Suited for titanium. 2-7/8 flute length, 4-1/8 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 size0.2720
Drill bit size letterI
Drill bit size range0.2500 - 0.3000
Drill point angle degrees135
Flute length in2-7/8
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in4-1/8
Point typeSplit
Primary workpiece materialTitanium
Shank diameter0.2720
Shank length1.2500
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.