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Hand Testing Screens

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Screen Shaker

 

Hand Testing Screens

SKU: 98-12Q 12″ X 12″ HAND TESTING SCREEN WITH YOUR CHOICE OF PERFORATIONS
SKU: 98-12BQ 12″ X 12″ BOTTOM PAN FOR HAND TESTING SCREEN
SKU: 98-6Q 6″ X 6″ HAND TESTING SCREEN WITH YOUR CHOICE OF PERFORATIONS
SKU: 98-6BQ 6″ X 6″ BOTTOM PAN FOR HAND TESTING SCREEN

Seedburo’s hand testing screens are a must for anyone who buys, cleans, or grades seed or grain. They are made of selected straight grained wood with nesting frames. These screens can be stacked together with a blank bottom pan to make several separations at one time.

A generous assortment of sizes will enable you to experiment with various separations and select the correct screens for your larger cleaning or sizing operations. Our hand test screens are an excellent choice for experimental or laboratory use when only small samples are available. Made in USA.

Ship wt: 3 lb. each

Please specify the screen perforation sizes on your order, they can be added in the comments field.

 

Round Holes (64ths of an inch) Oblong Holes Square Holes Wires/Sq. Inch Triangular Holes
Inches MM Inches MM Inches MM 10×10 9/64 or 5½V
1/25 1.016 1/26 x ½ 0.98 x 12.70 32/64 12.700 12×12 10/64 or 6V
1/24 1.058 1/25 x ½ 1.02 x 12.70     14×14 11/64 or 6½V
1/23 1.102 1/24 x ½ 1.06 x 12.70     15X15 12/64 or 7V
1/22 1.153 1/23 x ½ 1.10 x 12.70     16×16 17/64 or 9½V
3/64 1.190 1/22 x ½ 1.153 x 12.70     18×18  
1/21 1.200 3/64 x 5/16 1.191 x 7.938     20×20  
1/20 1.270 3/64 x ½ 1.19 x 12.70     22×22  
1/19 1.336 1/20 x ½ 1.270 x 12.700     24×24  
1/18 1.410 1/19 x ½ 1.34 x 12.70     26×26  
1/16 1.587 1/18 x ¾ 1.410 x 19.050     28×28  
1/15 1.691 1/18 x ½ 1.410 x 12.700     30×30  
1/14 1.813 1/17 x ½ 1.494 x 12.700     32×32  
1/13 1.953 1/15 x ½ 1.691 x 12.700     34×34  
1/12 2.116 1/15 x ¾ 1.69 x 19.05     36×36  
6 2.381 4½/64 x ½ 1.785 x 12.700     38×38  
6½ 2.579 4½/64 x ¾ 1.785 x 19.050     40×40  
7 2.778 4¾ x ¾ 1.890 x 19.050     45×45  
7½ 2.976 4⅞/64 x ½ 1.934 x 19.050     50×50  
7¾ 3.080 4⅞/64 x ¾ 1.934 x 19.050     55×55  
8 3.175 5/64 x ½ 1.984 x 12.700     60×60  
8½ 3.373 5/64 x ¾ 1.984 x 19.050     3×20  
8¾ 3.470 5.25/64 x ¾ 2.080 x 19.050     4×18  
9 3.572 5½/64 x ½ 2.182 x 12.700     4×19  
9½ 3.770 5½/64 x ¾ 2.182 x 19.050     4×20  
9¾ 3.870 5.8/64 x ¾ 2.300 x 19.050     4×22  
10 3.969 6/64 x ½ 2.380 x 12.700     6×18  
10½ 4.167 6/64 x ¾ 2.380 x 19.050     6×20  
10¾ 4.270 6/64 x 1-1/32 2.380 x 26.160     6×22  
11 4.366 6½/64 x ¾ 2.579 x 19.050     6×24  
11½ 4.564 7/64 x ¾ 2.778 x 19.050     6×26  
11¾ 4.660 7.25 x ¾ 2.88 x 19.050     6×28  
12 4.763 7½/64 x ¾ 2.972 x 19.050     6×30  
12½ 4.961 8/64 x ¾ 3.175 x 19.050     6×32  
13 5.159 8/64 x 1 3.18 x 25.4     6×34  
13½ 5.357 8/64 x 1¼ 3.18 x 31.75     6×36  
14 5.556 8½/64 x ¾ 3.373 x 19.050     6×38  
14½ 5.754 8½/64 x 1¼ 3.37 x 31.75     6×40  
14¾ 5.850 9/64 x ½ 3.57 x 31.75     6×42  
15 5.953 9/64 x ¾ 3.527 x 19.050        
15½ 6.150 9/64 x 1¼ 3.57 x 31.75        
16 6.350 9½/64 x ¾ 3.770 x 19.050        
16½ 6.548 9½/64 x 1¼ 3.77 x 31.75        
17 6.747 10/64 x ¾ 3.969 x 19.050        
17½ 6.945 10/64 x 1¼ 3.969 x 31.75        
18 7.144 10½/64 x ¾ 4.17 x 19.050        
18½ 7.342 10½/64 x 1¼ 4.17 x 31.75        
19 7.541 11/64 x ¾ 4.366 x 19.050        
19½ 7.739 11/64 x 1¼ 4.366 x 31.75        
20 7.938 11½/64 x ¾ 4.564 x 19.050        
20½ 8.136 11½/64 x 1¼ 4.564 x 31.75        
21 8.334 12/64 x ¾ 4.763 x 19.050        
21½ 8.532 12/64 x 1¼ 4.763 x 31.75        
22 8.731 12½ x ¾ 4.961 x 19.050        
22½ 8.929 12½ x 1¼ 4.961 x 31.75        
23 9.127 13/64 x ¾ 5.159 x 19.050        
23½ 9.330 13/64 x 1¼ 5.159 x 31.75        
24 9.525 13½/64 x ¾ 5.357 x 19.050        
24½ 9.720 13½/64 x 1¼ 5.357 x 31.75        
25 9.922 14/64 x ¾ 5.556 x 19.050        
25½ 10.120 14½/64 x ¾ 5.75 x 19.050        
26 10.319 15/64 x ¾ 5.953 x 19.050        
26½ 10.520 15½/64 x ¾ 6.15 x 19.050        
27 10.716 16/64 x ¾ 6.350 x 19.050        
27½ 10.910 16½/64 x ¾ 6.55 x 19.050        
28 11.113 17/64 x ¾ 6.747 x 19.050        
28½ 11.310 17½/64 x ¾ 6.95 x 19.050        
29 11.509 18/64 x ¾ 7.144 x 19.050        
29½ 11.710 18½/64 x ¾ 7.34 x 19.050        
30 11.906 19/64 x ¾ 7.541 x 19.050        
30½ 12.100 20/64 x ¾ 7.939 x 19.050        
31 12.303 21/64 x ¾ 8.33 x 19.050        
31½ 12.500 22/64 x ¾ 8.731 x 19.050        
32 12.700 22½/64 x 1 8.93 x 25.400        
33 13.100 23/64 x ¾ 9.13 x 19.050        
34 13.949 24/64 x ¾ 9.525 x 19.050        
34½ 13.690 28/64 x ¾ 11.110 x 19.050        
35 13.890 30/64 x ¾ 11.910 x 19.050        
35½ 14.090 32/64 x ¾ 12.700 x 19.050        
36 14.287 36/64 x ¾ 14.29 x 19.050        
38 15.081 N/A 2.15mm x 20mm        
40 15.875 N/A 2.25mm x 20mm        
42 16.669 N/A 3.75mm x 20mm        
44 17.460 N/A 4mm x 20mm        
46 18.260 N/A 4mm x 23mm        
47 18.650 N/A 4mm x 31mm        
48 19.050 N/A 4.25mm x 20mm        
50 19.840 N/A 4.25mm x 31mm        
52 20.640 N/A 4.35mm x 20mm        
54 21.430 N/A 4.35mm x 31mm        
55 21.83 N/A 4.4mm x 20mm        
56 22.225 N/A 4.4mm x 31mm        
57 22.620 N/A 4.5mm x 20mm        
64 25.400 N/A 4.5mm x 31mm        
1¾ 31.750 N/A 4.75mm x 20mm        
N/A 5.5mm N/A 4.75mm x 31mm        
N/A 7.5mm N/A 5.25mm x 20mm        
N/A 10mm N/A 5.25mm x 31mm        
    N/A 5.5mm x 20mm        
    N/A 5.5mm x 31mm        
    N/A 5.75mm x 20mm        
    N/A 5.75mm x 31mm        
    N/A 6mm x 20mm        
    N/A 6mm x 23mm        
    N/A 6mm x 31mm        
    N/A 12mm x 30mm