5/16" Solid Carbide Screw Machine Drill Bit, Coated, 135° point - SGS 66478

SGS

5/16" Solid Carbide Screw Machine Drill Bit, Coated, 135° point - SGS 66478

MFR# 66478Series 142P

$242.78List $311.38 Save 22%
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Drill size5/16
Flutes2
CoatingCoated

Description

The SGS 66478 is a 5/16" Solid Carbide Screw Machine drill bit with a Coated finish, 135° point. Suited for universal. 1-39/64 flute length. Series 142P.

Specifications

Coating finishCoated
Coolant throughYes
Cutting directionRight Hand
Drill bit diameter tolerance+0.00024 to +0.00083 in; +0.006 to +0.021 mm
Drill bit gradeHigh Performance
Drill bit size in5/16
Drill bit size range0.4000 to 0.4500
Drill length typeScrew Machine
Drill point angle135
Drill point length0.0881
Flute by diameter ratio3xD
Flute length in1-39/64
Flute typeSpiral
Material gradeMicrograin
Maximum drilling depth2.1654
Number of flutes2
Number of margins4
Overall length4.01570
Point typeStandard
Primary workpiece materialUniversal
Shank diameter (mm)11.9990
Shank length1.7717
Shank typeStraight-Cylindrical
Specification designationDIN
Specification numberDIN 6537
Spiral typeRegular
Tool materialSolid Carbide
Tool performanceHigh Performance
Web thinningWeb-Thinned
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