#61 Cobalt Drill Bit, Straw, 135° point - Precision Twist Drill 5997779

Precision Twist Drill

#61 Cobalt Drill Bit, Straw, 135° point - Precision Twist Drill 5997779

MFR# 5997779Series R10CO-R15CO-R18CO

$3.84List $4.93 Save 22%
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Flutes2
CoatingStraw

Description

The Precision Twist Drill 5997779 is a #61 Cobalt drill bit with a Straw finish, 135° point. Suited for steel. 11/16 flute length, 1-5/8 overall length. Series R10CO-R15CO-R18CO.

Specifications

Coating finishStraw
Coolant throughNo
Cutting directionRight Hand
Double marginNo
Drill bit gradeHeavy Duty
Drill bit materialCobalt
Drill bit size0.0390
Drill bit size range0.0000 - 0.0500
Drill bit size wire#61
Drill point angle degrees135
Flute by diameter ratio18xD
Flute length in11/16
Flute typeRegular Spiral
Maximum drilling depth in11/16
Number of flats0
Number of flutes2
Overall length in1-5/8
Point typeStandard
Primary workpiece materialSteel
Shank diameter0.0390
Shank length in15/16
Shank typeStraight
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsANSI
Tool applicationDrilling
Tool performanceGeneral Purpose
Web configurationTapered
Web thinningWeb-Thinned
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