
Kennametal
0.4724" Solid Carbide Drill Bit, TiAlN, 140° point - Kennametal 3640720
MFR# 3640720Series B291-YPL
$317.81List $407.61
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Flutes2
CoatingTiAlN
Description
The Kennametal 3640720 is a 0.4724" Solid Carbide drill bit with a TiAlN finish, 140° point. Suited for high temperature alloy, stainless steel. Series B291-YPL.
Specifications
Coating finishTiAlN
Coolant throughYes
Cutting directionRight Hand
Drill bit diameter tolerance+0.007 to +0.025 mm
Drill bit gradeHigh Performance
Drill bit size0.4724
Drill bit size range0.4500 to 0.5000
Drill point angle140
Drill point length (mm)2.30
Flute by diameter ratio3xD
Flute length (mm)55.00
Flute typeRegular Spiral
Maximum drilling depth (mm)40.00
Number of flutes2
Overall length4.0157
Point typeStandard
Primary workpiece materialHigh Temperature Alloy; Stainless Steel
Shank diameter0.4688
Shank length1.7717
Shank typeStraight
Specification designationDIN
Specification numberDIN 6537K
Spiral typeRegular
Tool materialSolid Carbide
Web configurationParallel
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.
