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4-Jaw Standard Independent Steel Body Chucks Series 432 Heavy-Duty, Sizes 12" thru 80
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4-Jaw Standard Independent Steel Body Chucks
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| Chuck Size | Flatback Chuck No. | Type A Spindle | Type D Spindle | ||
| Size | Chuck No. | Size | Chuck No. | ||
| 12" | 1243-2000 | A-6 | 1243-20A6 | D-6 | 1243-20D6 |
| 12" | A-8 | 1243-20A8 | D-8 | 1243-20D8 | |
| 12" | A-11 | 1243-2A11 | D-11 | 1243-2D11 | |
| 14" | 1443-2000 | A-6 | 1443-20A6 | D-6 | 1443-20D6 |
| 14" | A-8 | 1443-20A8 | D-8 | 1443-20D8 | |
| 14" | A-11 | 1443-2A11 | D-11 | 1443-2D11 | |
| 16" | 1643-2000 | A-8 | 1643-20A8 | D-8 | 1643-20D8 |
| 16" | A-11 | 1643-2A11 | D-11 | 1643-2D11 | |
| 18" | 1843-2000 | A-8 | 1843-20A8 | D-8 | 1843-20D8 |
| 18" | A-11 | 1843-2A11 | D-11 | 1843-2D11 | |
| 20" | 2043-2000 | A-8 | 2043-20A8 | D-8 | 2043-20D8 |
| 20" | A-11 | 2043-2A11 | D-11 | 2043-2D11 | |
| 24" | 2443-2000 | A-8 | 2443-20A8 | D-8 | 2443-20D8 |
| 24" | A-11 | 2443-2A11 | D-11 | 2443-2D11 | |
| 28" | 2843-2000 | A-11 | 2843-2A11 | D-11 | 2843-2D11 |
| 28" | A-15 | 2843-2A15 | |||
| 32" | 3243-2000 | A-11 | 3243-2A11 | D-11 | 3243-2D11 |
| 32" | A-15 | 3243-2A15 | |||
| 32" | A-20 | 3243-2A20 | |||
| 36" | 3643-2000 | A-11 | 3643-2A11 | D-11 | 3643-2D11 |
| 36" | A-15 | 3643-2A15 | |||
| 36" | A-20 | 3643-2A20 | |||
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Larger sizes available, up to 80" dia., contact PBA for price
quotation.
Consult factory for 40" and larger sizes. |
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| Dimensional Data | |||||||||
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Dimensional Data 4-Jaw Independent Steel Body Chucks
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| Chuck Dia. | B1 | B3 | B4 | B5 | B6 | B7 | B15 | J10 | Weight |
| 12" | 12.4" | 7.874" | 3.07" | .196" | 8.819" | M-12 | 3.86" | 2.34" | 126 lbs. |
| 14" | 13.78" | 10.236" | 3.07" | .196" | 11.26" | M-12 | 4.08" | 2.34" | 165 lbs. |
| 16" | 15.74" | 10.236" | 4.13" | .196" | 11.26" | M-12 | 3.86" | 2.34" | 210 lbs. |
| 18" | 17.7" | 7.874" | 4.055" | .196" | 6.61" | M-20 | 4.33" | 3.22" | 320 lbs. |
| 20" | 19.6" | 9.842" | 4.055" | .196" | 8.66" | M-20 | 4.33" | 3.22" | 415 lbs. |
| 24" | 23.6" | 9.842" | 4.055" | .196" | 8.66" | M-20 | 4.92" | 3.22" | 720 lbs. |
| 28" | 27.5" | 9.842" | 4.72" | .196" | 8.66" | M-20 | 4.92" | 3.39" | 1050 lbs. |
| 32" | 31.5" | 9.842" | 5.31" | .196" | 8.66" | M-20 | 4.92" | 3.39" | 1230 lbs. |
| 36" | 35.43" | * | * | * | * | M-20 | * | 3.39" | 1475 lbs. |
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Dimensions are for flatback-mount chucks; on A, L and D mounted
chucks dimension B15 will vary. *Specify when ordering.
“L” type mounts available upon request. (1) B4 are standard thru-holes. Thru-holes can be larger upon request. All A-11 mount chucks have 6.5" thru-hole as standard. |
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