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135 degree Heavy-Duty Screw Machine Drill, 1/4 in-E1.375 in Flute Length, 2.5 in OAL, Steam Oxide Finish Coated - pack of 12

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Cle-Line C23472 135 degree Heavy-Duty Screw Machine Drill, 1/4 in-E1.375 in Flute Length, 2.5 in OAL, Steam Oxide Finish Coated - pack of 12

Item #: C23472 by Cle-Line

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Features

Finish

Steam oxide

Material

HSS

Type

Screw Machine Drill

Shank Type

Straight

Flute Length

1.375 in

Point Angle

135°

No of Flutes

2

Point Shape

Split

Nominal Diameter

0.25 in

Overall Length [Nom]

2.5 in

Tip Size Symbol [Nom]

1/4 in-E

Flute Type

Spiral

Overall Length (mm)

63.50

Number of Flutes

2

Standards

ASME B94.11M

Tool Material

High-Speed Steel

Cutting Direction

Right Hand

Series

1896

Point Type

Split

Drill Length Type

Screw Machine

Spiral Type

Regular

Coating/Finish

Coated

Coolant Through

No

Drill Bit Grade

Heavy Duty

Drill Bit Size (Decimal Inch)

0.2500

Drill Bit Size (Inch)

1/4

Drill Bit Size Range (Decimal Inch)

0.2500 to 0.3000

Flute Length (Decimal Inch)

1.3750

Flute Length (Inch)

1-3/8

Flute Length (mm)

34.93

Overall Length (Decimal Inch)

2.5000

Overall Length (Inch)

2-1/2

Primary Workpiece Material

Cast Iron

Shank Diameter (Decimal Inch)

0.2500

Shank Diameter (mm)

6.35

Shank Length (Decimal Inch)

1.1250

Shank Length (Inch)

1-1/8

Shank Length (mm)

28.57

Tool Performance

High Performance

Vendor Drop Ship

N

Drill Bit Diameter Tolerance

+0.0000 to -0.0007 in

Drill Bit Size (Letter)

E

Drill Point Angle

135

Web Configuration

Tapered

Web Thinning

Web-Thinned

Product Overview
Black oxide surface finish increases wear resistance and adds lubricity, improving chip flow
Manufactured from premium high-speed steel.