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PRATT BURNERD 3-JAW SET-RITE CHUCKS

PRATT-ATLAS 3-JAW SETRITE CHUCK_edited.p

PBA 253 Series  - 3-jaw

• Two-year warranty
• Precision manufactured for adapter mounting
• .0005 TIR repeatability on duplicate parts
• Steel body on sizes 6″ thru 15″
• Semi-steel body on the 5″ chucks
• 4 adjusting screws – 5″, 6″, 8″, 10″, 12″
• 8 adjusting screws – 15″
• Sizes 5″ to 15″
• Nitride hardened scroll
• Hardened pinion
• Two-piece American standard tongue and groove jaws on chuck sizes 6″ thru 15″
• 5″ chucks equipped with one set of solid I.D jaws and one set of solid O.D. jaws
• One pinion – 5″, 6″, 8″, 10″, 12″; 3 pinions – 15″,
• Durability — double the contact surface of the master jaw and body versus our competitors’ chucks

Chuck Size (in)
Model Number
Approx. Weight (lbs)
Maximum RPM*
253 Series - 3 Jaw
5"
515400
14
5000
6"
625300
26
4900
8"
825300
46
4200
10"
1025300
71
3300
12"
1225300
120
2300
15"
1525300
218
2000

DIMENSIONAL SPECIFICATIONS

PRATT-ATLAS SET-RITE 3-JAW TECH DRAWING PHOTO.png
Chuck Size
A
B*
C
D
E
F
G1
G2
H
K
OD MIN
OD MAX
5"
5.00"
2.375"¨
1.30"
2.84"
0.69"
.69"
4.44"
-
5.00"
1/4"
0.06"/.08"
4"
6"
6.31"
3.125"
1.81"
2.92"
1.77"
0.69"
5.34"
-
7.31"
1/4"
0.09"/0.40"
5"
8"
8.25"
4.750"
2.25"
3.45"
1.88"
0.75"
7.50"
-
9.25"
3/8"
0.01"/0.55"
6.50"
10"
9.85"
6.375"
3.00"
3.71"
2.27"
0.81"
-
4.38"
11.00"
7/16"
0.10"/0.65"
8"
12"
12.20"
7.906"
4.06"
4.12"
2.31"
0.84"
-
5.25"
14.00"
1/2"
0.24"/0.65"
10"
15"
15.74"
11.7812"
4.56"
5.09"
2.79"
1.13"
-
6.75"
17.00"
5/8"
0.24"/0.65"
13"

SETRITE D TYPE ADAPATERS

Spindle Adapter
6 inch
8 inch
10 inch
12 inch
15 inch
D-3
605020
805020
-
-
-
D-4
605021
805021
1005021
-
-
D-5
605022
805022
1005022
-
-
D-6
805023
1005023
1205023
1505023
D-8
1005024
1205024
1505024
D-11
-
1205025
1505025

SETRITE A TYPE ADAPTERS

Spindle Mount
6 INCH
8 INCH
10 INCH
12 INCH
15 INCH
SPINDLE MOUNT
6"
8"
10"
12"
15"
A-4
605009
805009
-
-
-
A-5
605010
805010
1005010
1205010
-
A-6
-605011
805011
1005011
1205011
1505011
A-8
605012
805012
1005012
1205012
1505012
A-11
-
-
-
1205013
1505013

SETRITE L TYPE ADAPTERS

Spindle Mount
6 INCH
8 INCH-1
10 INCH-2
12 INCH-3
15 INCH-4
L00
605031
805031
1005031
-
-
L0
605032
805032
1005032
1205032
-
L1
-
805033
1005033
1205033
1505033
L2
-
-
1005034
1205034
1505034
L3
-
-
-
-
1505035

SETRITE THREADED ADAPTERS

Spindle Mount
5 inch
6 inch-1
8 inch-2
10 inch-3
12 inch-4
Blank
505040
605040
805040
1005040
1205040
1-1 /2"-8
505041
605041
805041
-
-
1-3/4"-8
505042
605042
805042
-
-
2-1/4"-8
505043
605043
805043
-
-
2-3/8"-6
-
605046
805046
-
-

SETRITE HARDINGE ADAPTERS

Spindle Mount
5 INCH
6 INCH
4 DegreeTaper
505044
605044
2-3/16 -10 Threaded
505045
605045
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