QCS Workholding LLC
10635 Tower Oaks Blvd.  Ste. E
Houston  TX   77070
Toll Free (888) 869-2424    Local (281) 664-1020   Fax  (281) 664-1026
mailto:workholding@hotmail.com

 

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Pratt Burnerd/Atlas 4-Jaw Independent Iron Body Chucks 
 

Series 441 Medium-Duty Value Line, 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
4-Jaw Independent Iron Body Chucks
  Type D Spindle Type A Spindle
Chuck Size Flatback Chuck No. Size Chuck No. Size Chuck No.
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-8 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
Contact PBA for price and availability for L type mounted chucks
Dimensional Data
Dimensional Data 4-Jaw Independent Iron Body Chucks (in/mm)
Chuck Dia. B1 B3 B4 B5 B6 B7 B9 B15 J10
6"/160 6.30"/160 2.56"/65 1.77"/45 .197"/5 3.74"/95 (4) M-10 2.36"/96.5 2.56"/65 1.24"/31.5
8"/200 7.87"/200 4.92"/125 1.97"/50 .236"/6 4.11"/104.5 (4) M-10 4.33"/110 2.95"/75 1.37"/35
10"/250 9.84"/250 4.33"/110 2.56"/65 .236"/6 4.72"/120 (4) M-12 4.62"/117.5 3.29"/82 1.39"/35.5
12"/315 12.40"/315 5.51"/140 3.74"/95 .236"/6 6.49"/165 (4) M-16 5.27"/134 3.54"/90 1.73"/44
16"/400 15.75"/400 6.30"/160 4.92"/125 .315"/8 7.28"/185 (4) M-16 5.63"/143 3.74"/95 1.89"/48
18"/450 17.71"/450 7.08"/180 5.51"/140 .315"/8 8.07"/205 (4) M-16 5.79"/147 3.94"/100 1.85"/47
20"/500 19.68"/500 7.87"/200 6.30"/160 .315"/8 9.29/236 (4) M-20 6.39"/161 4.17"/106 2.16"/55
24"/630 24.80"/630 8.66"/220 7.08"/180 .394"/10 10.26/258 (4) M-20 7.06"/180 4.64"/118 2.56"/65
32"/800 31.49"/800 9.84"/250 8.26"/210 .472"/12 10.26/258 (8) M-20 7.95"/202 5.19"/132 2.76"/65
Note: Dimensions are for flatback-mounted chucks; on A, L and D mounted chucks dimension B15 will vary.


Call, Fax Or Email For Current Pricing
Toll Free (888) 869-2424   Fax (281) 664-1026
Email  
workholding@hotmail.copm

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