Letter S High Speed Steel Drill Bit, TiN, 135° point - Chicago-Latrobe 41789

Chicago-Latrobe

Letter S High Speed Steel Drill Bit, TiN, 135° point - Chicago-Latrobe 41789

MFR# 41789Series 150ASP-TN

$12.81List $16.43 Save 22%
In stock - ships in 1-3 business days
Request a quote
  • Fast sourcing
  • Regrinding available
  • 20+ yrs expertise
Flutes2
CoatingTiN

Description

The Chicago-Latrobe 41789 is a Letter S High Speed Steel drill bit with a TiN finish, 135° point. Suited for cast iron, stainless steel, steel. 3-1/2 flute length, 4-7/8 overall length. Series 150ASP-TN.

Specifications

Coating finishTiN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0010 to 0.0000 in
Drill bit finish coatingTitanium Nitride
Drill bit gradeHeavy Duty
Drill bit materialHigh Speed Steel
Drill bit size0.3480
Drill bit size letterS
Drill bit size range0.3000 - 0.3500
Drill point angle degrees135
Flute length in3-1/2
Flute typeSpiral
Number of flutes2
Overall length in4-7/8
Point typeSplit
Primary workpiece materialCast Iron; Stainless Steel; Steel
Shank diameter in1-3/8
Shank length1.3750
Shank typeStraight-Cylindrical
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsNAS 907 Type B
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.