21/64" Solid Carbide Drill Bit, TiAlN, 140° point - Dormer Pramet 5979831

Dormer Pramet

21/64" Solid Carbide Drill Bit, TiAlN, 140° point - Dormer Pramet 5979831

MFR# 5979831Series R454

$92.07List $118.08 Save 22%
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Drill size21/64
CoatingTiAlN

Description

The Dormer Pramet 5979831 is a 21/64" Solid Carbide drill bit with a TiAlN finish, 140° point. Suited for steel, stainless steel, hardened materials. Series R454.

Specifications

Coating finishTiAlN
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerancem7
Drill bit gradeHigh Performance
Drill bit materialSolid Carbide
Drill bit size in21/64
Drill bit size range0.3000 - 0.3500
Drill point angle degrees140
Flute by diameter ratio5xD
Flute length2.4016
Flute typeRegular Spiral
Overall length4.0551
Point type4 Facet
Primary workpiece materialSteel; Stainless Steel; Hardened Materials
Shank diameter0.3750
Shank length (mm)40
Shank typeStraight
Specification designationDIN
Spiral typeRegular
StandardsDIN 6537 L
Tool applicationCentering
Web configurationTapered
Web thinningWeb-Thinned
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