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MORSE AND JACOB TAPER SPECIFICATIONS

MORSE TAPER SERIES

NO. 0F
TAPER

TAPER
PER INCH

SMALL
END

LARGE
END

0

.05205

0.252

0.356

1

.04988

0.369

0.475

2

.4995

0.572

0.700

3

.05019

0.778

0.938

4

.05193

1.020

1.231

5

.05262

1.475

1.748

6

.05213

2.116

2.494

7

.05200

2.750

3.270

JACOBS TAPER SERIES

TAPER
SERIES

LARGE
END

SMALL
END

TAPER
PER INCH

NO. 0

0.2500

0.2284

0.0493

NO. 1

0.3840

0.3334

0.0771

N0. 2

0.5590

0.4876

0.0816

N0. 2*

0.5488

0.4876

0.0816

NO. 3

0.8110

0.7451

0.0532

NO. 4

1.1240

1.0372

0.0524

NO. 5

1.4130

1.3161

0.0517

NO. 6

0.6760

0.6241

0.0519

N0. 33

0.6240

0.5605

0.00635

* These dimensions are for the #2 "short" taper

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Copyright 2001 METALWORKING BOOKS
Last modified: November 29, 2001