Chicago-Latrobe
#78 Cobalt Drill Bit, Gold; Oxide, 135° point - Chicago-Latrobe 46748
MFR# 46748Series 550
$6.55List $8.40
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Flutes2
Description
The Chicago-Latrobe 46748 is a #78 Cobalt drill bit with a Gold; Oxide finish, 135° point. Suited for titanium. 3/16 flute length, 7/8 overall length. Series 550.
Specifications
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0005 to 0.0000 in
Drill bit finish coatingGold; Oxide
Drill bit gradeHeavy Duty
Drill bit materialCobalt
Drill bit size0.0160
Drill bit size range0.0000 - 0.0500
Drill bit size wire#78
Drill point angle degrees135
Flute length in3/16
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in7/8
Point typeStandard
Primary workpiece materialTitanium
Shank diameter0.0160
Shank length0.6875
Shank typeStraight-Cylindrical
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsDIN 338; NAS 907 Type J
Tool performanceHigh Performance
Web configurationTapered
Web thinningWeb-Thinned
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