- 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.
Master Discs
Features:

Range Above | Thru | Class |
Tolerance
In Inches |
Style 1 | Style 2 | Style 3 |
---|---|---|---|---|---|---|
0.150" | .230" | XX | .000020 | $196.00 | $336.00 | $188.00 |
(3.81mm | 5.84mm) | X | .000040 | 173.00 | 290.00 | 165.00 |
Y | .000070 | 155.00 | 254.00 | 147.00 | ||
.230" | .365" | XX | .000020 | $191.00 | $326.00 | $183.00 |
(5.84mm | 9.27mm) | X | .000040 | 168.00 | 280.00 | 160.00 |
Y | .000070 | 150.00 | 244.00 | 142.00 | ||
.365" | .510" | XX | .000020 | $186.00 | $316.00 | $178.00 |
(9.27mm | 12.95mm) | X | .000040 | 163.00 | 270.00 | 155.00 |
Y | .000070 | 145.00 | 234.00 | 137.00 | ||
.510" | .825" | XX | .000020 | $181.00 | $306.00 | $173.00 |
(12.95mm | 20.96mm) | X | .000040 | 158.00 | 260.00 | 150.00 |
Y | .000070 | 140.00 | 224.00 | 132.00 | ||
.825" | 1.135" | XX | .000030 | $191.00 | $326.00 | $183.00 |
(20.96mm | 28.83mm) | X | .000060 | 168.00 | 280.00 | 160.00 |
Y | .000090 | 150.00 | 244.00 | 142.00 | ||
1.135" | 1.510" | XX | .000030 | $203.00 | $350.00 | $195.00 |
(28.83mm | 38.35mm) | X | .000060 | 178.00 | 300.00 | 170.00 |
Y | .000090 | 161.00 | 266.00 | 153.00 | ||
1.510" | 2.010" | XX | .000040 | $227.00 | $418.00 | $219.00 |
(38.35mm | 51.05mm) | X | .000080 | 198.00 | 360.00 | 190.00 |
Y | .000120 | 183.00 | 330.00 | 175.00 | ||
Z | .000160 | 167.00 | 298.00 | 159.00 | ||
2.010" | 2.510" | XX | .000040 | $263.00 | $486.00 | $253.00 |
(51.05mm | 63.75mm) | X | .000080 | 229.00 | 418.00 | 219.00 |
Y | .000120 | 211.00 | 382.00 | 201.00 | ||
Z | .000160 | 193.00 | 346.00 | 183.00 | ||
2.510" | 3.010" | XX | .000050 | $329.00 | $598.00 | $309.00 |
(63.75mm | 76.45mm) | X | .000100 | 287.00 | 514.00 | 267.00 |
Y | .000150 | 260.00 | 460.00 | 240.00 | ||
Z | .000200 | 234.00 | 408.00 | 214.00 | ||
3.010" | 3.510" | XX | .000050 | $379.00 | $668.00 | $334.00 |
(76.45mm | 89.15mm) | X | .000100 | 329.00 | 568.00 | 294.00 |
Y | .000150 | 298.00 | 506.00 | 263.00 | ||
Z | .000200 | 269.00 | 448.00 | 234.00 | ||
3.510" | 4.010" | XX | .000050 | $439.00 | $768.00 | $394.00 |
(89.15mm | 101.85mm) | X | .000100 | 378.00 | 646.00 | 333.00 |
Y | .000150 | 347.00 | 584.00 | 302.00 | ||
Z | .000200 | 319.00 | 528.00 | 274.00 | ||
4.010" | 4.510" | XX | .000050 | $509.00 | $888.00 | $454.00 |
(101.85mm | 114.55mm) | X | .000100 | 438.00 | 746.00 | 383.00 |
Y | .000150 | 408.00 | 686.00 | 353.00 | ||
Z | .000200 | 379.00 | 628.00 | 324.00 | ||
4.510" | 5.010" | XX | .000065 | $579.00 | $1,008.00 | $514.00 |
(114.55mm | 127.25mm) | X | .000130 | 497.00 | 844.00 | 432.00 |
Y | .000190 | 467.00 | 784.00 | 402.00 | ||
Z | .000250 | 439.00 | 728.00 | 374.00 | ||
5.010" | 5.510" | XX | .000065 | $654.00 | $1,138.00 | $579.00 |
(127.25mm | 139.95mm) | X | .000130 | 561.00 | 952.00 | 486.00 |
Y | .000190 | 532.00 | 894.00 | 457.00 | ||
Z | .000250 | 504.00 | 838.00 | 429.00 | ||
5.510" | 6.010" | XX | .000065 | $729.00 | $1,268.00 | $644.00 |
(139.95mm | 152.65mm) | X | .000130 | 625.00 | 1,060.00 | 540.00 |
Y | .000190 | 596.00 | 1,002.00 | 511.00 | ||
Z | .000250 | 564.00 | 938.00 | 479.00 |