GSG 2025 Catalog
MASTER SETTING DISCS STEEL & CHROME
All Cylindrical Master Discs are manufactured to ASME/ANSI B47.1 AGD standard and ASME/ANSI B89.1.5. Master Discs above 2.510in / 63.75mm are black oxided on all non-gaging sufaces. Black anodized aluminum holders available upon request.
STYLE 3
STYLE 1
STYLE 2
Class Z priced same as Class Y, Contact factory for XXX Quantity discount 5 or more identical size less 10%
Bilateral Tolerance
Bilateral Tolerance
Go Minus / NoGo Plus
STYLE 3
STYLE 2
STYLE 1
QUANTITY 1
QUANTITY 1
QUANTITY 1
Size
Class
Tolerance
Length
STEEL
CHROME
STEEL
CHROME
STEEL
CHROME
.105 to .150
XX .000020
#3 3/8 #2 3/4 #1 3/4 #2 7/8 #1 7/8 #3 1/2
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
122.00 101.00 96.00 122.00 101.00 96.00 123.00 102.00 97.00 123.00 102.00 97.00 124.00 103.00 98.00 127.00 106.00 101.00 128.00 107.00 102.00 172.00 144.00 138.00 177.00 148.00 141.00 214.00 179.00 170.00 328.00 273.00 259.00 331.00 276.00 267.00 371.00 309.00 295.00 391.00 326.00 309.00 396.00 330.00 315.00 401.00 335.00 320.00
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
181.00 151.00 145.00 181.00 151.00 145.00 183.00 153.00 146.00 183.00 153.00 146.00 185.00 154.00 148.00 190.00 158.00 151.00 192.00 160.00 153.00 258.00 215.00 207.00 267.00 222.00 211.00 321.00 268.00 255.00 491.00 410.00 390.00 495.00 414.00 400.00 554.00 462.00 442.00 586.00 488.00 462.00 593.00 494.00 471.00 602.00 502.00 481.00
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
230.00 192.00 183.00 230.00 192.00 183.00 232.00 193.00 184.00 236.00 197.00 185.00 237.00 198.00 186.00 242.00 202.00 192.00 245.00 204.00 194.00 331.00 276.00 267.00 339.00 282.00 270.00 411.00 342.00 324.00 623.00 520.00 497.00 635.00 529.00 501.00 700.00 583.00 558.00 736.00 614.00 582.00 753.00 627.00 596.00 762.00 635.00 609.00
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
347.00 288.00 274.00 347.00 288.00 274.00 349.00 290.00 276.00 354.00 295.00 278.00 356.00 296.00 280.00 362.00 302.00 288.00 368.00 306.00 292.00 495.00 414.00 400.00 508.00 423.00 405.00 615.00 512.00 486.00 933.00 778.00 744.00 951.00 793.00 751.00 876.00 838.00 921.00 874.00 941.00 896.00 952.00 912.00
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
139.00 116.00 108.00 139.00 116.00 108.00 140.00 117.00 110.00 142.00 118.00 110.00 142.00 118.00 112.00 146.00 122.00 117.00 151.00 126.00 120.00 191.00 154.00 144.00 206.00 172.00 164.00 234.00 186.00 177.00 393.00 328.00 312.00 420.00 351.00 336.00 476.00 396.00 375.00 589.00 490.00 469.00 609.00 507.00 481.00 624.00 521.00 494.00
$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
208.00 174.00 161.00 208.00 174.00 161.00 211.00 175.00 166.00 213.00 177.00 166.00 213.00 177.00 169.00 218.00 182.00 175.00 227.00 190.00 181.00 277.00 232.00 215.00 310.00 258.00 246.00 336.00 280.00 266.00 590.00 491.00 467.00 631.00 526.00 504.00 712.00 593.00 561.00 883.00 736.00 705.00 911.00 759.00 720.00 936.00 779.00 740.00
2.671mm to 3.81mm
X Y X Y X Y X Y X Y X Y X Y X Y X Y X Y X Y X Y X Y X Y X Y X Y
.000040 .000070 .000040 .000070
.1501 to .230
XX .000020 #3 7/16
3.811mm to 5.84mm
.2301 to .365
XX .000020
5.841mm to 9.27mm
.000040 #2 1 .000070 #1 1 .000040 #2 1 1/8 .000070 #1 1 1/8 .000040 #2 1 1/4 .000070 #1 1 1/4 .000060 #2 1 3/8 .000090 #1 1 3/8 .000060 #2 1 5/8 .000090 #1 1 5/8
.3651 to .510
XX .000020 #3 9/16
9.271mm to 12.95mm
.5101 to .825
XX .000020 #3 5/8
12.951mm to 20.96mm
.8251 to 1.135
XX .000030 #3 11/16
20.961mm to 28.83mm
1.1351 to 1.510
XX .000030 #3 13/16
28.831mm to 38.35mm
1.5101 to 2.010
XX .000040 #3 7/8
38.351mm to 51.05mm
.000080 #2
2
.00012
#1 1 7/8
2.0101 to 2.510
XX .000040 #3 7/8
51.051mm to 63.75mm
.000080 #2
2 2 1
.00012
#1
2.5101 to 3.010
XX .000050 #3
63.751mm to 76.45mm
.0001
#2 2 1/4
.00015 #1
2
3.0101 to 3.510
XX .000050 #3
1
76.451mm to 89.15mm
.0001
#2 2 1/4
.00015 #1
2 1
3.5101 to 4.010
XX .000050 #3
89.151mm to 101.85mm
.0001 .00015 .0001 .00015 .00013 .00019 .00013 .00019 .00013 .00019
#2 2 1/4 #1 2 1/8 #2 2 1/4 #1 2 1/8 #2 2 1/4 #1 2 1/8 #2 2 1/4 #1 2 1/8 #2 2 1/4 #1 2 1/8 1 1 1 1
4.0101 to 4.510
XX .000050 #3
1,051.00 $
101.851mm to 114.55mm
4.5101 to 5.010
1,105.00 $
XX .000065 #3
114.551mm to 127.25mm
5.0101 to 5.510
XX .000065 #3
1,129.00 $
127.251mm to 139.95mm
5.5101 to 6.010
XX .000065 #3
1,143.00 $
139.951mm to 152.65mm
24
Effective March 2025 - © Glastonbury Southern Gage
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