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1802 Heavy-Duty Cobalt Straw Oxide Jobber-Length Drill Bit, 0.3125 in dia Cutting, 4.5 in OAL, 5/16 in - pack of 6

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Cle-Line C23361 1802 Heavy-Duty Cobalt Straw Oxide Jobber-Length Drill Bit, 0.3125 in dia Cutting, 4.5 in OAL, 5/16 in - pack of 6

Item #: C23361 by Cle-Line

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Features

Finish

Straw Oxide

Material

Cobalt High-Speed Steel (HSS)

Bit Length

4.5 in

Type

Style 1802

Shank Type

Straight

Flute Length

3.1875 in

Point Angle

135° RHS/RHC

No of Flutes

2

Point Shape

Split

Nominal Diameter

5/16 in

Cutting Diam [Nom]

0.3125 in

Overall Length [Nom]

4.5 in

Flute Type

Spiral

Overall Length (mm)

114.30

Number of Flutes

2

Standards

ASME B94.11M

Cutting Direction

Right Hand

Series

1802

Point Type

Split

Drill Bit Material

Cobalt

Spiral Type

Regular

Coolant Through

No

Drill Bit Grade

Heavy Duty

Drill Bit Size (Decimal Inch)

0.3125

Drill Bit Size (Inch)

5/16

Drill Bit Size Range (Decimal Inch)

0.3000 - 0.3500

Drill Point Angle

135 degrees

Flute Length (Decimal Inch)

3.1875

Flute Length (Inch)

3-3/16

Flute Length (mm)

80.96

Overall Length (Decimal Inch)

4.5000

Overall Length (Inch)

4-1/2

Primary Workpiece Material

Aluminum

Primary Workpiece Material Code

H

Shank Diameter (Decimal Inch)

0.3125

Shank Diameter (Inch)

5/16

Shank Diameter (mm)

7.94

Shank Length (Decimal Inch)

1.3126

Shank Length (mm)

33.34

Tool Performance

High Performance

UNSPSC Code

23241634

Vendor Drop Ship

N

Drill Bit Diameter Tolerance

+0.0000 to -0.0010 in

Drill Bit Finish/Coating

Gold

Web Configuration

Tapered

Web Thinning

Web-Thinned

Product Overview
Industrial grade cobalt high-speed steel (HSS) construction
Straw finish adds lubricity and easily identifies cobalt drills
Designed to drill tough, high-tensile materials, and work-hardening materials.