Chicago-Latrobe
#31 High Speed Steel Drill Bit, Oxide, 135° point - Chicago-Latrobe 11155
MFR# 11155Series 912
$9.57List $12.27
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Flutes2
CoatingOxide
Description
The Chicago-Latrobe 11155 is a #31 High Speed Steel drill bit with a Oxide finish, 135° point. 1-5/8 flute length, 12 overall length. Series 912.
Specifications
Coating finishOxide
Cutting directionRight Hand
Drill bit diameter tolerance+0.0000 to -0.0005 in
Drill bit size0.1200
Drill bit size wire#31
Drill point angle degrees135
Flute length in1-5/8
Flute typeSpiral
Number of flutes2
Overall length in12
Point typeSplit
Self centeringYes
Shank diameter0.1200
Shank typeStraight-Cylindrical
StandardsNAS 907 Type B
Tool materialHigh Speed Steel
Tool performanceGeneral Purpose
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.