Precision Twist Drill

21/64" High Speed Steel Drill Bit, 118° point - Precision Twist Drill 5998520

MFR# 5998520Series R10H-R18H

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Drill size21/64
Flutes2

Description

The Precision Twist Drill 5998520 is a 21/64" High Speed Steel drill bit, 118° point. Suited for steel, cast iron, non-ferrous metal, superalloys & titanium. 3-5/16 flute length, 4-5/8in overall length. Series R10H-R18H.

Specifications

Coolant throughNo
Cutting directionRight Hand
Double marginNo
Drill bit gradeGeneral Purpose
Drill bit materialHigh Speed Steel
Drill bit size in21/64
Drill bit size range0.3000 - 0.3500
Drill point angle degrees118
Flute by diameter ratio10xD
Flute length in3-5/16
Flute typeSpiral
Maximum drilling depth in3-5/16
Number of flats0
Number of flutes2
Overall length in4-5/8in
Point typeStandard
Primary workpiece materialSteel; Cast Iron; Non-Ferrous Metal; Superalloys & Titanium
Shank diameter in21/64in
Shank length in1-5/16in
Shank typeStraight-Cylindrical
Specification designationANSI
Spiral typeRegular
StandardsANSI
Tool applicationDrilling
Tool performanceGeneral Purpose
Web configurationTapered
Web thinningWeb-Thinned

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