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   Master Discs
  • Range .150" to 6.010" lapped to size and polished
  • Inch or metric sizes
  • Chrome Plate Quote on request
  • Certificate & Calibration info & pricing
  • Standard AGD trilock blanks are used for all master discs above 1.510"
  • For the range above 1.510" the AGD standard for style 2 calls for two style 3 master discs separated by an AGD seperator plate and linked together with a tie rod and insulator.
  • Roundness and taper of all gages will not exceed 50% of the applicable gagemaker's tolerance and are non-accumulative.
Style 1 Bilateral Tolerance
Style 2 Unilateral Tolerance
(Go plus / Nogo minus)

Style 3 Bilateral Tolerance
Range Class Tolerance
  in Inches
Style 1 Style 2 Style 3
Above Thru          
.150" .230" XX .000020  $125.00  $220.00  $112.00
 (3.81mm 5.84mm)  X .000040   102.00   190.00     92.00


Y .000070    95.00   180.00     86.00
.230" .365" XX .000020  $126.00  $220.00  $115.00
 (5.84mm 9.27mm)  X .000040   104.00   190.00     94.00


Y .000070    96.00   180.00     88.00
.365" .510" XX .000020  $128.00  $215.00  $118.00
 (9.27mm 12.95mm)  X .000040   106.00   185.00     96.00


Y .000070    98.00   175.00     90.00
.510" .825" XX .000020  $130.00  $215.00  $120.00
 (12.95mm 20.96mm)  X .000040   108.00   185.00     99.00


Y .000070   100.00   175.00     92.00
.825" 1.135" XX .000030  $140.00  $235.00   $130.00
 (20.96mm 28.83mm)  X .000060   112.00   190.00     102.00


Y .000090   103.00   180.00      95.00
1.135" 1.510" XX .000030  $149.00   $255.00   $140.00
 (28.83mm 38.35mm)  X .000060   118.00   205.00     106.00


Y .000090   108.00   190.00      98.00

         
1.510" 2.010" XX .000040 $151.00 $332.00    $147.00  
 (38.35mm 51.05mm)  X .000080   118.00   266.00      116.00  


Y .000120   109.00   240.00     106.00 
    Z .000160   104.00   230.00     102.00 
2.010" 2.510" XX .000040  $200.00  $440.00     $198.00  
 (51.05mm 63.75mm)  X .000080    155.00    340.00     151.00


Y .000120    123.00    270.00     131.00
    Z .000160    111.00    244.00     119.00
2.510" 3.010" XX .000050  $248.00  $545.00    $204.00
 (63.75mm 76.45mm)  X .000100    184.00    405.00      152.00


Y .000150    157.00    345.00      129.00
    Z .000200    145.00    319.00       120.00 
3.010" 3.510" XX .000050  $274.00   $603.00    $225.00
 (76.45mm 89.15mm)  X .000100    208.00     457.00      190.00


Y .000150    184.00     405.00      153.00
    Z .000200    178.00     392.00      148.00
3.510" 4.010" XX .000050

 $322.00

  $708.00    $265.00
 (89.15mm 101.85mm)  X .000100    236.00     519.00      195.00


Y .000150    211.00     464.00      172.00
    Z .000200    196.00     431.00      158.00
4.010" 4.510" XX .000065  $370.00   $814.00    $305.00
 (101.85mm 114.55mm)  X .000130    280.00     616.00      230.00


Y .000190    238.00     523.00      195.00
    Z .000250    220.00     484.00      175.00
4.510" 5.010" XX .000065  $428.00   $942.00    $352.00
 (114.55mm 127.25mm)  X .000130    344.00     757.00      280.00


Y .000190    292.00     642.00      240.00
    Z .000250    262.00     576.00      210.00
5.010" 5.510" XX .000065  $464.00  $1,020.00     $380.00
 (127.25mm 139.95mm)  X .000130    358.00     788.00      295.00


Y .000190    322.00     708.00      265.00
    Z .000250    304.00     669.00      250.00
5.510" 6.010" XX .000065  $496.00 $1,090.00     $398.00 
 (139.95mm 152.65mm)  X .000130    418.00     920.00      345.00


Y .000190    346.00     761.00      285.00
    Z .000250    316.00     695.00      255.00