GAGE BLOCK HEADER PAGE
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Individual Gage Blocks - Metric System
Square
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Style
Rect
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Rect
Rect
Rect
Steel
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croblox
Material
croblox
croblox
ceramic
ceramic
Steel
Webber
A1
 Grade 
B89:  0
Webber
AA
 Grade
B89: 00
Webber
A1
 Grade 
B89:  0
Grades

STANDARD SIZES
Webber
A1
 Grade 
B89:  0
Webber
AA
 Grade 
B89: 00
Webber
A1
 Grade 
B89:  0
Webber
AA
 Grade 
B89: 00
Webber
A1
 Grade 
B89: 0
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0.3, and 0.4
0.5
0.6 thru 0.9 in Steps of 0.1mm
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1.0
1.0005
1.001 thru 1.009 in Steps of 0.001mm
1.01 thru 1.49 in Steps of 0.01mm
1.5
1.6 thru 1.9 in Steps of 0.1mm
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X
X
X
X
X
X
X
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X
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X
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X
X
X
X
X
X
X
X
2.0
2.0005
2.001 thru 2.009 in Steps of 0.001mm
2.01 thru 2.44 in Steps of 0.01mm
2.25
2.26 thru 2.49 in Steps of 0.01mm
2.5
2.6 thru 2.9 in Steps of 0.1mm
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X





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X
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X

X

X

X
3.0 thru 10.0 in Steps of 0.5mm
10.5 thru 14.5 in Steps of 0.5mm
15.0
15.5 thru 19.5 in Steps of 0.5mm
20.0 
20.5 thru 24.5 in Steps of 0.5mm
25.0
X
X
X
X
X
X
X
X
X
X
X
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X

X

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30.0
40.0
50.0
60.0
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70.0
75.0
80.0
90.0
100.0
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X
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X
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125.0
150.0
175.0
200.0
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250.0
300.0
400.0
500.0
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SQUARE GAGE BLOCKS
   All block Dimensions:  24.1 x 24.1mm
   All blocks have a 6.7mm thru hole in center
      of their faces
   Blocks 5.0mm and over in size, the hole is
      countersunk on both faces
   2.0mm Wear block is countersunk on
      one face only.
RECTANGULAR GAGE BLOCKS
   Standard Dimensions:
       Blocks less than 1.0mm                 9 x 28.3mm
       Blocks 1.0mm thru 10mm              9 x 30.0mm
       Blocks 10.5mm and over               9 x 35.0mm

   EXCEPTIONS:
      17 Block Set with blocks to 0.9mm are all 28.3mm long
          (The 0.5mm block for this set must be ordered with
             the suffix "SS" for Short-short length and is 9 x 28.3mm)

      The 0.5mm block in all other sets is 9 x 30mm
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©2008, Webber Gage Division, The L. S. Starrett Co, Cleveland, Ohio , 44145
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