Draft Accumulation Chart 

Depth

1 Deg.

2 Deg.

3 Deg.

5 Deg.

7 Deg.

10 Deg.

12 Deg.

15  Deg.

1/32

.0005

.001

.0016

.0027

.0038

.0055

.0066

1/64-
.008

1/16

.0011

.0022

.0033

.0055

.0077

1/64-
.011

1/64-
.013

1/64+
.017

3/32

.0016

.0033

.0049

1/64-
.008

1/64-
.0115

1/64+
.0165

1/64+
.020

1/32-
.025

1/8

.0022

.0044

.0066

1/64-
.0109

1/64-
.015

1/64+
.022

1/32-
.027

1/32+
.033

3/16

.0033

.0065

.0098

1/64+
.016

1/64+
.023

1/32+
.033

3/64-
.040

3/64+
.050

1/4

.0044

.0087

.013

1/64+
.022

1/32-
.031

3/64-
.044

3/64+
.053

1/16+
.067

5/16

.0055

.011

1/64+
.016

1/32-
.027

1/32+
.038

1/16-
.055

1/16+
.066

5/64+
.084

3/8

.0065

.013

1/64+
.020

1/32+
.033

3/64-
.046

1/16+
.066

5/64+
.080

3/32+
.100

7/16

.0076

1/64-
.015

1/64+
.023

1/32+
.038

3/64+
.054

5/64-
.077

3/32-
.093

1/8-
.117

1/2

.0087

1/64+
.017

1/32-
.026

3/64-
.044

1/16-
.061

3/32-
.088

7/64-
.106

9/64-
.134

5/8

.011

1/64+
.022

1/32+
.033

3/64+
.055

5/64-
.077

7/64+
.110

9/64-
.133

11/64-
.167

3/4

.013

1/32-
.026

3/64-
.039

1/16+
.066

3/32-
.092

1/8+
.132

5/32+
.159

13/64-
.201

7/8

1/64-
.015

1/32-
.031

3/64-
.046

5/64-
.077

7/64-
.107

5/32-
.154

3/16-
.186

15/64+
.234

1

1/64+
.017

1/32+
.035

3/64+
.052

3/32-
.087

1/8-
.123

11/64+
.176

7/32-
.213

17/64+
.268

Depth

1 Deg.

2 Deg.

3 Deg.

5 Deg.

7 Deg.

10 Deg.

12 Deg.

15  Deg


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While every precaution has been taken in the preparation of these charts, we assume no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein.

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