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PRATT BURNERD/ATLAS SERIES 441 4-JAW INDEPENDENT VALUE LINE CAST IRON CHUCKS
PRATATLSW 4-JAW IND VALUE LINE CHUCKS.png

Atlas Value-Line Series 441 Medium-Duty, Sizes 5″ thru 32″

  • High value and lower cost

  • One year warranty

  • 1 set Solid Reversible Jaws

  • Hardened and ground operating screws

  • High tensile iron bodies

  • Straight recess for adapter mounting

  • Available with A, D, L and straight recess mounting

Title
Chuck Size
Flatback
D TYPE
Chuck Number
A TYPE
Chuck Number-1
5"
0544-1000
6"
0644-1000
D-3
0644-10D3
6"
D-4
0644-10D4
8"
0844-1000
D-3
0844-10D3
8"
D-4
0844-10D4
8"
D-5
0844-10D5
A-5
0844-10A5
10"
1044-1000
D-5
1044-10D5
A-5
1044-10A5
10"
D-6
1044-10D6
A-6
1044-10A6
12"
1244-1000
D-6
1244-10D6
A-6
1244-10A6
12"
D-8
1244-10D8
A-8
1244-10A8
16"
1644-1000
D-8
1644-10D8
A-8
1644-10A8
16"
D-11
1644-1D11
A-11
1644-1A11
18"
1844-1000
D-8
1844-10D8
A-8
1844-10A8
18"
D-11
1844-1D11
A-11
1844-1A11
20"
2044-1000
D-8
2044-10D8
A-8
2044-10A8
20"
D-11
2044-1D11
A-11
2044-1A11
24"
2444-1000
D-8
2444-10D8
A-8
2444-10A8
24"
D-11
2444-1D11
A-11
2444-1A11
32"
3244-1000
D-11
3244-1D11
A-11
3244-1A11
32"
D-15
3244-1D15
A-15
3244-1A15
PRATATLAS SERIES 441 4-JAW IND TECHSPEC DIM DWG.png
Chuck Diameter
D
D1
D2
D3
D4
H
H1
h
5"/125
4.921"/125
3.740"/95
4.252"/108
1.181"/30
(4) M-8
3.071"/78
2.205"/56
0.197"/5
6"/160
6.290"/160
2.560"/65
3.740"/95
1.772"/45
(4) M-10
3.661"/93
2.559"/65
0.197"/5
8"/200
7.874"/200
2.953"/75
3.740"/95
2.165"/55
(4) M-10
4.212"/107
2.953"/75
.236"/6
10"/250
9.842"/250
4.331"/110
5.118"/130
2.953"/75
(4) M-12
4.724"/120
3.149"/80
.236"/6
12"/315
12.401"/315
5.512"/140
6.496"/165
3.740"/95
(4) M-16
5.433"/138
3.543"/90
.236"/6
16"/400
15.748"/400
6.300"/160
7.283"/185
4.921"/125
(4) M-16
5.630"/143
3.740"/95
.315"/8
18"/450
17.71"/450
7.08"/180
8.07"/205
5.51"/140
(4) M-16
5.79"/147
3.94"/100
.315"/8
20"/500
19.685"/500
7.874"/200
9.291/236
6.300"/160
(4) M-20
6.300"/160
4.134"/105
.315"/8
24"/630
24.80"/630
8.661"/220
10.157"/258
7.866"/180
(4) M-20
7.087"/180
4.567"/116
.394"/10
32"/800
31.493"/800
9.842"/250
11.811"/300
8.267"/210
(8) M-20
8.267"/210
5.319"/135
.472"/12
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