Precision Twist Drill

#57 Cobalt Drill Bit, Straw, 135° point - Precision Twist Drill 5997758

MFR# 5997758Series R10CO-R15CO-R18CO

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Flutes2
CoatingStraw

Description

The Precision Twist Drill 5997758 is a #57 Cobalt drill bit with a Straw finish, 135° point. Suited for steel. 3/4 flute length, 1-3/4 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 size0.0430
Drill bit size range0.0000 - 0.0500
Drill bit size wire#57
Drill point angle degrees135
Flute by diameter ratio17xD
Flute length in3/4
Flute typeRegular Spiral
Maximum drilling depth in3/4
Number of flats0
Number of flutes2
Overall length in1-3/4
Point typeStandard
Primary workpiece materialSteel
Shank diameter0.0430
Shank length in1
Shank typeStraight
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsANSI
Tool applicationDrilling
Tool performanceGeneral Purpose
Web configurationTapered
Web thinningWeb-Thinned

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