Chicago-Latrobe
5/16" Cobalt Drill Bit, Coated, 135° point - Chicago-Latrobe 44820
MFR# 44820Series 520
$22.98List $29.48
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Drill size5/16
CoatingCoated
Description
The Chicago-Latrobe 44820 is a 5/16" Cobalt drill bit with a Coated finish, 135° point. 4 flute length. Series 520.
Specifications
Coating finishCoated
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0010 in
Drill bit gradeGeneral Purpose
Drill bit size in5/16
Drill point angle degrees135
Flute length in4
Flute typeSpiral
Material applicationCast Iron; High-Tensile Steel; Inconel; Manganese Steel; Titanium
Material gradeM-42
Overall length6-3/8
Point typeSplit
Shank diameter in5/16
Shank length2.3750
Shank typeStraight
Spiral typeRegular
Threaded shankNo
Tool applicationSelf-Centering
Tool materialCobalt
Tool performanceHigh
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.