21/64" Solid Carbide Screw Machine Drill Bit, TiAlN, 140° point - Dormer Pramet 5979203

Dormer Pramet

21/64" Solid Carbide Screw Machine Drill Bit, TiAlN, 140° point - Dormer Pramet 5979203

MFR# 5979203Series R457

$107.41List $137.76 Save 22%
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Drill size21/64
Flutes2
CoatingTiAlN

Description

The Dormer Pramet 5979203 is a 21/64" Solid Carbide Screw Machine drill bit with a TiAlN finish, 140° point. Suited for steel, stainless steel, cast iron, aluminum & non-ferrous, high-temp alloy, hardened materials. Series R457.

Specifications

Coating finishTiAlN
Coolant throughYes
Cutting directionRight Hand
Drill bit diameter tolerance0 to -9 m
Drill bit gradeHigh Performance
Drill bit size in21/64
Drill bit size range0.3000 to 0.3500
Drill length typeScrew Machine
Drill point angle140
Flute by diameter ratio3xD
Flute length (mm)47.00
Flute typeRegular Spiral
Number of flutes2
Overall length3.5039
Point type4 Facet
Primary workpiece materialSteel; Stainless Steel; Cast Iron; Aluminum & Non-Ferrous; High-Temp Alloy; Hardened Materials
Shank diameter0.3937
Shank length1.5748
Shank typeStraight
Specification designationDIN
Spiral typeRegular
StandardsDIN 6537 K
Tool materialSolid Carbide
Tool performanceHigh Performance
Web configurationParallel
Web thinningWeb-Thinned
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