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Extension Tap: 1/4-20, 3 Flutes, H3, Bright/Uncoated, High Speed Steel, Spiral Flute

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OSG 1297900 Extension Tap: 1/4-20, 3 Flutes, H3, Bright/Uncoated, High Speed Steel, Spiral Flute

Item #: 1297900 by OSG

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Features

Thread Limit

H3

Square Length (Decimal Inch)

0.3125

Reduced Shank

Yes

Neck Length (Decimal Inch)

1.0070

Flute Direction

Right Hand

Vendor Drop Ship

N

Thread Size (Inch)

1/4-20

Thread Length (Inch)

1

Thread Length (Decimal Inch)

0.645

Square Size (Decimal Inch)

0.191

Shank Diameter (Decimal Inch)

0.255

Overall Length (Inch)

4

Overall Length (Decimal Inch)

4.0000

Coating/Finish

Bright

Class Of Fit

3B

Chamfer

Bottoming

Thread Standard

UNC

Series

918

Thread Direction

Right Hand

Tap Type

Spiral Flute

Number of Flutes

3

Helix Angle

50

Material Application

Aluminum

Application

Threading

Material

High-Speed Steel

Product Overview
Extension Tap: 1/4-20, 3 Flutes, H3, Bright/Uncoated, High Speed Steel, Spiral Flute Bottoming, 4" OAL, 1" Thread Length, 3B Class of Fit