800.253.0820
3977 Emerald Dr., Kalamazoo, MI 49001
King Bore Oil Country Series 432EX 4 Jaw Independent Extra Heavy-Duty Chucks
Untitled Document

Sizes 18" thru 48"

  • Forged Steel Body
  • Extra Heavy Duty American Standard, Hard Top and Master Jaws
  • Gripping surfaces serrated for more holding power
  • Large Thru-Holes Standard
  • T-Slots Standard
  • Direct A Type Mounting
  • One Year Warranty
  • Available in smaller and larger sizes on request

See complete product details in our latest catalog >>

Table Test

King Bore Oil Country 4-Jaw Independent Chucks
Chuck Size Model No. Mount Thru Hole Max rpm's** Approx. Weight
181843-2A11EXA2-116.70"1100350 lbs
212143-2A11EXA2-116.70"1000540 lbs
212143-2A15EXA2-157.30"1000533 lbs
242443-2A11EXA2-116.70"850720 lbs
242443-2A15EXA2-1511.00"850700 lbs
242443-2A20EXA2-2012.60"850685 lbs
282843-2A15EXA2-1511.00"750905 lbs
282843-2A20EXA2-2012.60"750920 lbs
323243-2A15EXA2-1511.00"6001265 lbs
323243-2A20EXA2-2012.60"*6001255 lbs
363643-2A20EXA2-2012.60"*5501930 lbs
404043-2A20EXA2-2012.60"*5002350 lbs
404043-2A28EXA2-2818.50"5002275 lbs
*Optional 14.7" thru hole.
** To achieve maximum RPM read instruction manual.
Consult factory for 48" and larger sizes.

Table Test

Dimensional Data 4-Jaw Independent King Bore Oil Country Chuck
 B1 B3B4B6B15J8J9J10J11J12T1T2
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 FaceT-SlotT-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"
2143-2A11EX21"A2-117.75"6.57"4.625"5.75"6.50"5.00"2.87"2.40"3.26".866"1.557"
2143-2A15EX21"A2-1511.25"7.30"6.50"5.75"6.50"5.00"2.87"2.40"3.26".866"1.557"
2443-2A11EX23.62"A2-117.75"6.57"4.625"6.10"7.75"5.00"3.26"3.00"3.62".866"1.557"
2443-2A15EX23.62"A2-1511.25"10.51"6.50"6.10"7.75"5.00"3.26"3.00"3.62".866"1.557"
2443-2A20EX23.62"A2-2016.25"12.59"9.125"6.10"7.75"5.00"3.26"3.00"3.62".866"1.557"
2843-2A15EX27.55"A2-1511.25"10.51"6.50"6.10"7.75"5.00"3.26"3.00"3.62".866"1.557"
2843-2A20EX27.55"A2-2016.25"12.59"9.125"6.10"7.75"5.00"3.26"3.00"3.62".866"1.557"
3243-2A15EX31.49"A2-1511.25"10.51"6.50"6.50"7.75"5.00"3.26"3.00"3.62".866"1.557"
3243-2A20EX 31.49"A2-2016.25"12.59"9.125"6.50"7.75"5.00"3.26"3.00"3.62".866"1.557"
3643-2A20EX 35.43"A2-2016.25"12.59"9.125"6.50"7.75"5.00"3.26"3.00"3.62".866"1.557"
4043-2A20EX 39.37"A2-2016.25"12.59"9.125"6.50"7.75"5.00"3.26"3.00"3.62"1.100"1.565"
4043-2A28EX 39.37"A2-2823.00"18.50"12.75"6.50"7.75"5.00"3.26"3.00"3.62"1.100"1.565"