Cleveland
Letter K High Speed Steel Drill Bit, 135° point - Cleveland C11639
MFR# C11639Series 2222
$6.40List $8.20
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Flutes2
Description
The Cleveland C11639 is a Letter K High Speed Steel drill bit, 135° point. Suited for aluminum. 2-7/8 flute length, 4-1/4 overall length. Series 2222.
Specifications
Coolant throughNo
Cutting directionRight Hand
Drill bit diameter tolerance-0.0010 to 0.0000 in
Drill bit finish coatingBright/Uncoated
Drill bit gradeHeavy Duty
Drill bit materialHigh Speed Steel
Drill bit size0.2810
Drill bit size letterK
Drill bit size range0.2500 - 0.3000
Drill point angle degrees135
Flute length in2-7/8
Flute typeSpiral
Number of flutes2
Overall length in4-1/4
Point typeSplit
Primary workpiece materialAluminum
Shank diameter0.2810
Shank length1.3125
Shank typeStraight-Cylindrical
Specification designationNAS
Specification numberNAS 907
Spiral typeRegular
StandardsNAS 907 Type B
Web configurationTapered
Web thinningWeb-Thinned
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