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   Master Discs
  • Thru-hardened & Stabilized, 60-62 Rc
  • 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.
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  $145.00  $350.00  $140.00
 (3.81mm 5.84mm)  X .000040   120.00   287.00     115.00


Y .000070    110.00   263.00     105.00
.230" .365" XX .000020  $128.00  $307.00  $123.00
 (5.84mm 9.27mm)  X .000040   105.00   250.00     100.00


Y .000070    98.00   232.00     93.00
.365" .510" XX .000020  $128.00  $307.00  $123.00
 (9.27mm 12.95mm)  X .000040   105.00   250.00     100.00


Y .000070    98.00   232.00     93.00
.510" .825" XX .000020  $135.00  $325.00  $130.00
 (12.95mm 20.96mm)  X .000040   110.00   262.00     105.00


Y .000070   100.00   238.00     95.00
.825" 1.135" XX .000030  $145.00  $350.00   $140.00
 (20.96mm 28.83mm)  X .000060   120.00   287.00     115.00


Y .000090   110.00   263.00      105.00
1.135" 1.510" XX .000030  $155.00   $375.00   $150.00
 (28.83mm 38.35mm)  X .000060   130.00   312.00     125.00


Y .000090   115.00   275.00      110.00

         
1.510" 2.010" XX .000040 $171.00 $334.00    $167.00  
 (38.35mm 51.05mm)  X .000080   146.00   284.00      142.00  


Y .000120   134.00   260.00     130.00 
    Z .000160   126.00   244.00     122.00 
2.010" 2.510" XX .000040  $216.00  $422.00     $211.00  
 (51.05mm 63.75mm)  X .000080    176.00    342.00     171.00


Y .000120    156.00    302.00     151.00
    Z .000160    146.00    282.00     141.00
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