
Dormer Pramet
41/64" Solid Carbide Drill Bit, TiAlN, 140° point - Dormer Pramet 5978939
MFR# 5978939Series R453
$430.93List $552.68
Save 22%
In stock - ships in 1-3 business days
Request a quote
- Fast sourcing
- Regrinding available
- 20+ yrs expertise
Drill size41/64
CoatingTiAlN
Description
The Dormer Pramet 5978939 is a 41/64" Solid Carbide drill bit with a TiAlN finish, 140° point. Suited for steel, stainless steel, hardened materials. Series R453.
Specifications
Coating finishTiAlN
Coolant throughYes
Cutting directionRight Hand
Drill bit diameter tolerancem7
Drill bit gradeHigh Performance
Drill bit materialSolid Carbide
Drill bit size in41/64
Drill bit size range0.5000 - 0.6500
Drill point angle degrees140
Flute by diameter ratio5xD
Flute length3.5827
Flute typeRegular Spiral
Overall length5.6299
Point type4 Facet
Primary workpiece materialSteel; Stainless Steel; Hardened Materials
Shank diameter0.1875
Shank length (mm)48
Shank typeStraight
Specification designationDIN
Spiral typeRegular
StandardsDIN 6537 L
Tool applicationCentering
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.
