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3977 Emerald Dr., Kalamazoo, MI 49001
4-Jaw Standard Independent Steel Body Chucks
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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

See complete product details in our latest catalog >>

Table Test

4-Jaw Standard Independent Steel Body Chucks
Chuck Size Flatback Chuck No. Type A Spindle Type D Spindle
  SizeChuck No.SizeChuck No.
18"1843-2000A-81843-20A8D-81843-20D8
18" A-111843-2A11D-111843-2D11
20" 2043-2000 A-8 2043-20A8 D-8 2043-20D8
20"   A-11 2043-2A11 D-11 2043-2D11
24"2443-2000A-82443-20A8D-82443-20D8
24" A-112443-2A11D-112443-2D11
28" 2843-2000 A-11 2843-2A11 D-11 2843-2D11
28"   A-15 2843-2A15    
32"3243-2000A-113243-2A11D-113243-2D11
32" A-153243-2A15  
32" A-203243-2A20  
36" 3643-2000 A-11 3643-2A11 D-11 3643-2D11
36"   A-15 3643-2A15    
36"   A-20 3643-2A20  
Larger sizes available, up to 80" dia., contact PBA for price quotation.
Consult factory for 40" and larger sizes.

Table Test

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-20 4.33" 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-20 4.92" 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.