21/64" High Speed Steel Drill Bit, TiCN, 135° point - Chicago-Latrobe 43621

Chicago-Latrobe

21/64" High Speed Steel Drill Bit, TiCN, 135° point - Chicago-Latrobe 43621

MFR# 43621Series 150ASP-TC

$13.01List $16.68 Save 22%
In stock - ships in 1-3 business days
Request a quote
  • Fast sourcing
  • Regrinding available
  • 20+ yrs expertise
Drill size21/64
Flutes2
CoatingTiCN

Description

The Chicago-Latrobe 43621 is a 21/64" High Speed Steel drill bit with a TiCN finish, 135° point. Suited for cast iron, stainless steel, steel. 3-5/16 flute length, 4-5/8 overall length. Series 150ASP-TC.

Specifications

Coating finishTiCN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0010 to 0.0000 in
Drill bit finish coatingTiCN
Drill bit gradeHeavy Duty
Drill bit materialHigh Speed Steel
Drill bit size in21/64
Drill bit size range0.3000 - 0.3500
Drill point angle degrees135
Flute length in3-5/16
Flute typeSpiral
Material gradeM7
Number of flutes2
Overall length in4-5/8
Point typeSplit
Primary workpiece materialCast Iron; Stainless Steel; Steel
Shank diameter in21/64
Shank length1.3125
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.