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4-Jaw Standard Independent Steel Body Chucks

Series 432 Heavy-Duty, Sizes 18″ thru 80″

  • One year warranty  Sizes 18″ thru 80″
  • Two-piece reversible American Standard tongue and groove jaws
  • Hardened and ground operating screws
  • Steel body
  • T-slots standard
  • Straight recess for adapter mounting
  • Larger chucks available up to 80″ on request
4-Jaw Standard Independent Steel Body Chucks
Chuck SizeFlatback Chuck No.Type A SpindleType D Spindle
SizeChuck No.SizeChuck No.
18"1843-2000A-81843-20A8D-81843-20D8
18"A-111843-2A11D-111843-2D11
20"2043-2000A-82043-20A8D-82043-20D8
20"A-112043-2A11D-112043-2D11
24"2443-2000A-82443-20A8D-82443-20D8
24"A-112443-2A11D-112443-2D11
28"2843-2000A-112843-2A11D-112843-2D11
28"A-152843-2A15
32"3243-2000A-113243-2A11D-113243-2D11
32"A-153243-2A15
32"A-203243-2A20
36"3643-2000A-113643-2A11D-113643-2D11
36"A-153643-2A15
36"A-203643-2A20
Larger sizes available, up to 80" dia., contact PBA for price quotation.
Consult factory for 40" and larger sizes.
Dimensional Data 4-Jaw Independent Steel Body Chucks
Chuck Dia.B1B3B4B5B6B7B15J10Weight
18"17.7"7.874"4.055".196"6.61"M-204.33"3.22"320 lbs.
20"19.6"9.842"4.055".196"8.66"M-204.33"3.22"415 lbs.
24"23.6"9.842"4.055".196"8.66"M-204.92"3.22"720 lbs.
28"27.5"9.842"4.72".196"8.66"M-204.92"3.39"1050 lbs.
32"31.5"9.842"5.31".196"8.66"M-204.92"3.39"1230 lbs.
36"35.43"****M-20*3.39"1475 lbs.
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.