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Pratt Burnerd/Atlas
Forged Steel 3-Jaw Self-centering Scroll Chucks Series 332 |
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Self-Centering Series 332 3 Jaw Universal Chucks Series 332 Heavy-Duty Flatback, A, L, and D Type Mountings, Sizes 20" thru 32"
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| Chuck Size |
Flatback Chuck No. |
Type A Spindle | Type L Spindle |
Fits Camlock Spindle Type D |
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| Size | Chuck No. | Size | Chuck No. | Size | Chuck No. | ||
| 20" | 2033-2000 | A-8 | 2033-20A8 | L-1 | 2033-20L1 | D-8 | 2033-20D8 |
| 20" | --- | A-11 | 2033-2A11 | L-2 | 2033-20L2 | D-11 | 2033-2D11 |
| 24" | 2433-2000 | A-8 | 2433-20A8 | L-2 | 2433-20L2 | D-8 | 2433-20D8 |
| 24" | --- | A-11 | 2433-2A11 | --- | D-11 | 2433-2D11 | |
| 28" | 2833-2000 | A-15 | 2833-2A15 | L-2 | 2833-20L2 | D-11 | 2833-2D11 |
| 28" | --- | A-20 | 2833-2A20 | --- | --- | ||
| 32" | 3233-2000 | A-15 | 3233-2A15 | L-3 | 3233-20L3 | D-11 | 3233-2D11 |
| 32" | A-20 | 3233-2A20 | |||||
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Consult factory for chucks sizes larger than 32".
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| Dimensional Imformation | |||||||||
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Dimensional Data for Universal Flatback Mounting Chucks
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| Chuck Dia. | B1 | B3 | B4 | B5 | B6 | B7 | B15 | J10 | RPM |
| 20" | 19.6" | 15.748" | 5.51"(1) | .236" | 18.03" | M-16 | 4.17" | 3.26" | 1100 |
| 24" | 23.6" | 21.456" | 9.094"(1) | .236" | 23.07" | M-16 | 4.25" | 3.26" | 850 |
| 28" | 27.5" | 23.818" | 10.23" | .236" | 25.98" | M-16 | 5.25" | 3.96" | 750 |
| 32" | 31.5" | 27.755" | 10.23" | .236" | 29.99" | M-16 | 5.25" | 3.66" | 600 |
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Note: Dimensions are for flatback chucks; for A, D or L mounted
chucks dimension B15 will vary, add approx. 1" to B15 dimension.
(1) Model No. 2033-2A11 and 2433-2A11 have a 6.5" thru-hole. |
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