Type D, CAMLOCK mount

For quick measurement of chuck mounting dimensions, measure from center of spindle to center of pin, “D”.
Click here to see Bison D mount lathe chucks and back plates.

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                                             PIN
SPINDLE    A        B       C        D      DIAM.
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D1-3"    3-5/8   2.1250    7/16    1.391    .5937
D1-4"    4-5/8   2.5005    7/16    1.625    .6562
D1-5"    5-3/4   3.2505    1/2     2.0625   .78125
D1-6"    7-1/8   4.1880    9/16    2.625    .90625
D1-8"    8-7/8   5.50075   5/8     3.375   1.03125
D1-11"  11-3/4   5.75075   11/16   4.625   1.21875
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Click here to see Bison L mount lathe chucks and back plates.

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           LARGE
          DIAMETER                DEPTH
          OF TAPER    THREAD     OF TAPER
SPINDLE      A          B           C        E
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L00        2.750    3-3/4 - 6     2         9/16
L0         3.250    4-1/2 - 6     2-3/8     5/8
L1         4.125    6 - 6         2-7/8     3/4
L2         5.250    7-3/4 - 5     3-3/8     1
L3         6.500    10-3/8 - 4    3-7/8     1-1/8
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Click here to see Bison A mount lathe chucks.

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SPINDLE      A        B         C       D         E        F
                                                        +0.002
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A1-5       5-1/4"    3.2505   .5625   1.2187   2.0625    .6525
A1-6       6-1/2"    4.1880   .625    1.625    2.625     .750
A1-8       8-1/4"    5.50075  .6875   2.1875   3.375     .9375
A1-11     11"        7.75075  .750    3.250    4.625    1.125
A1-15     15"       11.251    .8125   4.875    6.500    1.375
A1-20     20-1/2"   16.251    .875    7.250    9.125    1.625
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