| King Bore Oil Country 4-Jaw Independent Chucks | |||||
|---|---|---|---|---|---|
| Chuck Size | Model No. | Mount | Thru Hole | Max rpm's** | Approx. Weight |
| 18 | 1843-2A11EX | A2-11 | 6.70" | 1100 | 350 lbs |
| 21 | 2143-2A11EX | A2-11 | 6.70" | 1000 | 540 lbs |
| 21 | 2143-2A15EX | A2-15 | 7.30" | 1000 | 533 lbs |
| 24 | 2443-2A11EX | A2-11 | 6.70" | 850 | 720 lbs |
| 24 | 2443-2A15EX | A2-15 | 11.00" | 850 | 700 lbs |
| 24 | 2443-2A20EX | A2-20 | 12.60" | 850 | 685 lbs |
| 28 | 2843-2A15EX | A2-15 | 11.00" | 750 | 905 lbs |
| 28 | 2843-2A20EX | A2-20 | 12.60" | 750 | 920 lbs |
| 32 | 3243-2A15EX | A2-15 | 11.00" | 600 | 1265 lbs |
| 32 | 3243-2A20EX | A2-20 | 12.60"* | 600 | 1255 lbs |
| 36 | 3643-2A20EX | A2-20 | 12.60"* | 550 | 1930 lbs |
| 40 | 4043-2A20EX | A2-20 | 12.60"* | 500 | 2350 lbs |
| 40 | 4043-2A28EX | A2-28 | 18.50" | 500 | 2275 lbs |
| *Optional 14.7" thru hole. ** To achieve maximum RPM read instruction manual. Consult factory for 48" and larger sizes. |
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| Dimensional Data 4-Jaw Independent King Bore Oil Country Chuck | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| B1 | B3 | B4 | B6 | B15 | J8 | J9 | J10 | J11 | J12 | T1 | T2 | ||
| Model No. | O.D. | Mount Type | Mount Recess | Thru Hole | Mounting Bolt Radius | Body Width | Master Jaw Length | Top Jaw Length | Top Jaw Height | Top Jaw Width | Top Jaw Height From Face | T-Slot | T-Slot |
| 1843-2A11EX | 18" | A2-11 | 7.75" | 6.50" | 4.625" | 5.75" | 6.50" | 5.00" | 2.87" | 2.40" | 3.26" | .708" | 1.557" |
| 2143-2A11EX | 21" | A2-11 | 7.75" | 6.57" | 4.625" | 5.75" | 6.50" | 5.00" | 2.87" | 2.40" | 3.26" | .866" | 1.557" |
| 2143-2A15EX | 21" | A2-15 | 11.25" | 7.30" | 6.50" | 5.75" | 6.50" | 5.00" | 2.87" | 2.40" | 3.26" | .866" | 1.557" |
| 2443-2A11EX | 23.62" | A2-11 | 7.75" | 6.57" | 4.625" | 6.10" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | .866" | 1.557" |
| 2443-2A15EX | 23.62" | A2-15 | 11.25" | 10.51" | 6.50" | 6.10" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | .866" | 1.557" |
| 2443-2A20EX | 23.62" | A2-20 | 16.25" | 12.59" | 9.125" | 6.10" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | .866" | 1.557" |
| 2843-2A15EX | 27.55" | A2-15 | 11.25" | 10.51" | 6.50" | 6.10" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | .866" | 1.557" |
| 2843-2A20EX | 27.55" | A2-20 | 16.25" | 12.59" | 9.125" | 6.10" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | .866" | 1.557" |
| 3243-2A15EX | 31.49" | A2-15 | 11.25" | 10.51" | 6.50" | 6.50" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | .866" | 1.557" |
| 3243-2A20EX | 31.49" | A2-20 | 16.25" | 12.59" | 9.125" | 6.50" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | .866" | 1.557" |
| 3643-2A20EX | 35.43" | A2-20 | 16.25" | 12.59" | 9.125" | 6.50" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | .866" | 1.557" |
| 4043-2A20EX | 39.37" | A2-20 | 16.25" | 12.59" | 9.125" | 6.50" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | 1.100" | 1.565" |
| 4043-2A28EX | 39.37" | A2-28 | 23.00" | 18.50" | 12.75" | 6.50" | 7.75" | 5.00" | 3.26" | 3.00" | 3.62" | 1.100" | 1.565" |