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Pratt Burnerd/Atlas 2/3-Jaw Thru-Hole Power Chucks

PAFH Series 8″ – 24″ Chucks

  • Used as 2 Jaw or 3 Jaw Power Chuck

  • Thru-hole and long stroke

  • Adapter mounted

  • Serration Pitch 1.5mm 8″, 10″ & 12″ – 3mm 15″

  • Larger diameters available

Model Number
Jaw Stroke Dia
Sleeve Stroke
2 Jaw Max
3 Jaw Min
2 Jaw lbs
3 Jaw lbs-1
2 Jaw lbs-2
3 Jaw lbs-3
Max RPM
Wt lbs
PAFH8-A5
.378"
.709"
7.87
1.181
3,306
4,409
7,275
9,700
3000
44
PAFH8-A6
.378"
.709"
7.87
1.181
3,306
4,409
7,275
9,700
3000
44
PAFH10-A6
.728"
.984"
9.84
1.181
5,070
7,716
9,038
13,668
3000
70
PAFH10-A8
.728"
.984"
9.84
1.181
5,070
7,716
9,038
13,668
3000
70
PAFH12-A8
.803"
1.102"
11.81
1.967
6,613
9,920
11,684
17,636
2500
121
PAFH12-A11
.803"
1.102"
11.81
1.967
6,613
9,920
11,684
17,636
2500
121
PAFH15-A8
.803"
1.102"
13.78
2.756
8,818
13,227
15,652
23,148
2000
218
PAFH15-A11
.803"
1.102"
13.78
2.756
8,818
13,227
15,652
23,148
2000
218

18", 21" AND 24" AVAILABLE FROM THE FACTORY

Technical Specifications
PRATATLAS PAFH SERIES 2-3JAW PWRCHK TECHSPEC DIM DWG.png
Dimensions in Inches
Model Number
PAFH-8
PAFH-10
PAFH-12
PAFH-15
A
8.26
10
11.97
15
B
2.874
3.346
3.819
4.803
C
7.48
9.055
11.024
13.76
F
0.197
0.197
0.197
0.276
H
5.25
6.75
7.874
9.843
J
1.378
1.575
2.165
2.953
K
6-M12
6-M16
6-M20
6-M20
L
0.787
0.984
0.984
1.063
M
0.984
0.984
1.181
1.969
N max.
1.803
2.02
2.891
3.378
N min
1.614
1.661
2.189
2.976
O max.
1.181
1.654
1.831
2.608
O min
0.295
0.374
0.413
0.591
P max.
0.827
0
0
0
P min
0.118
-0.984
-1.102
-1.102
Q
1.181
1.378
1.575
1.575
R
0.475
0.63
0.63
0.826
S
1.063
1.102
1.181
1.575
T
M42
M50
M65
M85
U
0.197
0.197
0.197
0.197
V
1.89
2.283
2.953
3.74
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