Chicago-Latrobe
0.2770" Cobalt Drill Bit, Gold; Oxide, 135° point - Chicago-Latrobe 46780
MFR# 46780Series 550
$7.15List $9.18
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Flutes2
Description
The Chicago-Latrobe 46780 is a 0.2770" Cobalt drill bit with a Gold; Oxide finish, 135° point. Suited for titanium. 2-7/8 flute length, 4-1/8 overall length. Series 550.
Specifications
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0010 to 0.0000 in
Drill bit finish coatingGold; Oxide
Drill bit gradeHeavy Duty
Drill bit materialCobalt
Drill bit size0.2770
Drill bit size range0.2500 - 0.3000
Drill point angle degrees135
Flute length in2-7/8
Flute typeSpiral
Material gradeM42
Number of flutes2
Overall length in4-1/8
Point typeSplit
Primary workpiece materialTitanium
Shank diameter0.2770
Shank length1.2500
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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