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PRATT BURNERD/ATLAS 4-JAW INDEPENDENT EXTRA HEAVY DUTY, EXTRA LARGE DIAMETER CHUCKS

Sizes 24″ to 79″

  • Super Heavy-Duty for Heavy Parts

  • Steel Body

  • Hardened and Ground Master and Top Jaws

  • Extra Long Master Jaws for more rigidity and ajustability

  • Hardened and Ground Operating Screws and Thrust Bearing

Chuck Size
Recess Mount Part Number
D Mount
Part Number
A Mount
Part Number-1
600/23.6
2443-2000XL
D-8
2443-20D8XL
A-8
2443-20A8XL
600/23.6
D-11
2443-2D11XL
A-11
2443-2A11XL
700/27.5
2843-2000XL
D-8
2843-20D8XL
A-8
2843-20A8XL
700/27.5
D-11
2843-2A11XL
A-11
2843-2A11XL
800/31.5
3243-2000XL
D-11
3243-2D11XL
A-11
3243-2A11XL
800/31.5
D-15
3243-2D15XL
A-15
3243-2A15XL
900/35.5
3643-2000XL
D-11
3643-2D11XL
A-11
3643-2A11XL
900/35.5
D-15
3643-2D15XL
A-15
3643-2A15XL
1000/39.4
4043-2000XL
D-11
4043-2D11XL
A-11
4043-2A11XL
Size
B
C
D
H
E
F
23.6"
150/5.90
235/9.25
300/11.81
8xM20
120/4.72
78/3.07
27.5"
150/5.90
235/9.25
300/11.81
8xM20
140/5.51
78/3.07
31.5"
150/5.90
330.2/13.0
380/14.96
8xM24
155/2.91
78/3.07
35.4"
150/5.90
330.2/13.0
380/14.96
8xM24
160/6.10
78/3.07
39.4"
180/7.08
330.2/13.0
380/14.96
8xM24
170/6.69
102/4.01
47"
180/7.08
463.6/18.25
520/20.47
8xM24
180/7.08
102/4.01
55"
185/7.28
463.6/18.25
520/20.47
8xM24
180/7.08
102/4.01
59"
185/7.28
647.6/25.50
720/28.35
8xM30
180/7.08
102/4.01
63"
195/7.68
647.6/25.50
720/28.35
8xM30
190/7.48
102/4.01
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