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550 NAS-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit, 0.5156 in dia Cutting, 6.625 in OAL, 33/64 in

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Chicago-Latrobe 50075 550 NAS-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit, 0.5156 in dia Cutting, 6.625 in OAL, 33/64 in

Item #: 50075 by Chicago-Latrobe

UPC #: 662355500750

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Features

Finish

Straw

Material

HSS-CO 8% (M42)

Bit Length

6.625 in

Type

Style 550

Shank Type

Straight

Flute Length

4.8125 in

Point Angle

135° RHS/RHC

No of Flutes

2

Point Shape

Split

Nominal Diameter

33/64 in

Coating

Straw

Cutting Diam [Nom]

0.5156 in

Overall Length [Nom]

6.625 in

Flute Type

Spiral

Number of Flutes

2

Standards

DIN 338

Cutting Direction

Right Hand

Series

550

Point Type

Split

Drill Bit Material

Cobalt

Spiral Type

Regular

Coolant Through

No

Drill Bit Grade

Heavy Duty

Drill Bit Size (Decimal Inch)

0.5156

Drill Bit Size (Inch)

33/64

Drill Bit Size Range (Decimal Inch)

0.5000 - 0.6500

Drill Point Angle

135 degrees

Flute Length (Inch)

4-13/16

Material Grade

M42

Overall Length (Inch)

6-5/8

Primary Workpiece Material

Titanium

Shank Diameter (Inch)

33/64

Shank Length (Decimal Inch)

1.8125

Shank Length (mm)

46.04

Tool Performance

High Performance

UNSPSC Code

23241634

Vendor Drop Ship

N

Drill Bit Diameter Tolerance

-0.0012 to 0.0000 in

Drill Bit Finish/Coating

Gold

Specification Designation

NAS

Specification Number

NAS 907

Web Configuration

Tapered

Web Thinning

Web-Thinned

Product Overview
Manufactured to NAS 907 Type J geometry aerospace specifications
Heavy-duty construction for drilling in tough, high-tensile, and work-hardening materials
Manufactured from premium cobalt high-speed steel
Straw finish adds lubricity and easily identifies cobalt drills
135 degree P3 split point is self-centering for reduced thrust and easier penetration
Sizes smaller than 0.0625 inch do not have split point.