Rated Size of Chuck | 10 | 12 | 15 | 18 |
---|---|---|---|---|
Spindle Nose | 6 | 8 | 11 | 11 |
B1 | 10 | 12 | 15 | 18 |
B2 | 9-1/2 | 11-1/2 | 14-1/2 | 15-5/8 |
B3 | 4.1875 - .0005 | 5.5000 - .0005 | 7.7500 - .0005 | 7.7500 - .0005 |
B5 | 9/16 | 5/8 | 11/16 | 11/16 |
B6 | 2-5/8 ± .006 | 3-3/8 ± .006 | 4-5/8 ± .006 | 4-5/8 ± .006 |
B7 | 17/32 | 21/32 | 25/32 | 25/32 |
B10 | 2-5/8 ± .003 | 3-3/8 ± .003 | 4-5/8 ± .003 | 4-5/8 ± .003 |
B11 | 49/64 ± .004 | 61/64 ± .004 | 1-5/32 ± .004 | 1-5/32 ± .004 |
B12 | ¼ | 5/16 | 3/8 | 3/8 |
B35 | 5-7/16 | 6 | 6-1/2 | 6-11/16 |
B42 | 2-3/4 | 3-3/8 | 4-13/16 | 4-13/16 |
B43 MAX | 2-9/16 | 3-1/8 | 4-5/8 | 4-5/8 |
B45 | 4-7/16 | 5 | 5-7/16 | 5-7/16 |
B46 # bolt holes |
6 | 6 | 6 | 6 |
B50 | 2-15/16 | 3-9/16 | 5-7/32 | 5-7/32 |
B51 MIN | 7/8 | 7/8 | 1-23/32 | 1-17/32 |
B51 MAX | 1-13/32 | 1-5/8 | 2-5/8 | 2-21/32 |
B52 | 3-1/8 - 12UN | 4-1/4 – 12UN | 5-1/4 – 12UN | 5-1/4 – 12UN |
B53 | 2-3/4 | 2-13/16 | 1-3/4 | 1-3/4 |
B59 | 1/8 | - | - | - |
B60 | 2-3/4 – 16UN | 3-3/8 – 18UN | 5 – 16UN | 5 – 16UN |
B61 | 3/4 | 3/4 | 3/4 | 3/4 |
B62 MAX | 1-5/8 | 1-9/16 | 1-25/32 | 1-31/32 |
M62 MIN | 1-3/32 | 13/16 | 7/8 | 27/32 |
B63 | 2-9/16 | 3-1/32 | 4-5/8 | 4-5/8 |
B64 | 9/16 | 3/4 | 3/4 | 1 |
B65 | 1/2 | 9/16 | 3/8 | 3/8 |
B66 | 2-1/8 | 1-7/8 | 2-1/8 | 1-11/16 |
B67 | - | - | - | 1-11/16 |
B68 | 3/8 – 16 | ½ – 13 | ½ - 13 | 5/8 – 11 |
B69 | ½ | ½ | ½ | 9/16 |