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King Bore Oil Country Series 432EX 4 Jaw Independent Extra Heavy-Duty Chucks

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
King Bore Oil Country 4-Jaw Independent Chucks
Chuck SizeModel No.MountThru HoleMax 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.
Dimensional Data 4-Jaw Independent King Bore Oil Country Chuck
B1B3B4B6B15J8J9J10J11J12T1T2
Model No.O.D.Mount TypeMount RecessThru HoleMounting Bolt RadiusBody WidthMaster Jaw LengthTop Jaw LengthTop Jaw HeightTop Jaw WidthTop Jaw Height From FaceT-SlotT-Slot
1843-2A11EX18"A2-117.75"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"
3243-2A20EX31.49"A2-2016.25"12.59"9.125"6.50"7.75"5.00"3.26"3.00"3.62".866"1.557"
3643-2A20EX35.43"A2-2016.25"12.59"9.125"6.50"7.75"5.00"3.26"3.00"3.62".866"1.557"
4043-2A20EX39.37"A2-2016.25"12.59"9.125"6.50"7.75"5.00"3.26"3.00"3.62"1.100"1.565"
4043-2A28EX39.37"A2-2823.00"18.50"12.75"6.50"7.75"5.00"3.26"3.00"3.62"1.100"1.565"