- The "No Go" Ring" Gage checks one thread element only-the pitch diameter.
- The Minor diameter and the Major diameter are cleared beyond those of the "Go" Ring Gage.
- Thus the "Go" Ring Gage, in going on the part, insures that the lead and form are correct, and the size is smaller than the maximum permitted pitch diameter
- of the part.
- The "No Go" Gage, in refusing to go on the part, insures that the size is larger than the minimum permitted pitch diameter.
- ***Item Ships from California***
- View Pitch Diameter Chart HERE


Thread Ring Gages - Hardened STEEL - (Metric)
Item No. | Thread Size | Item | Remarks | Our Price | QTY |
---|---|---|---|---|---|
A-RM1.6x 0.35G | M1.6 x 0.35 - 6g | Go Ring | PD 1.3540 | $181.00 | |
A-RM1.6x 0.35NG | M1.6 x 0.35 - 6g | No Go Ring | PD 1.2910 | $181.00 | |
A-RM1.6x 0.35Set | M1.6 x 0.35 - 6g | Go & NoGo Rings | PD 1.3540 / 1.2910 | $362.00 | |
A-RM1.8x0.35G | M1.8 x 0.35 - 6g | Go Ring | PD 1.5540 | $181.00 | |
A-RM1.8x0.35NG | M1.8 x 0.35 - 6g | No Go Ring | PD 1.4910 | $181.00 | |
A-RM1.8x0.35Set | M1.8 x 0.35 - 6g | Go & NoGo Rings | PD 1.5540 / 1.4910 | $362.00 | |
A-RM2x0.40G | M2 x 0.40 - 6g | Go Ring | PD 1.7210 | $176.00 | |
A-RM2x0.40NG | M2 x 0.40 - 6g | No Go Ring | PD 1.6540 | $176.00 | |
A-RM2x0.40Set | M2 x 0.40 - 6g | Go & NoGo Rings | PD 1.7210 / 1.6540 | $352.00 | |
A-RM2.2x0.45G | M2.2 x 0.45 - 6g | Go Ring | PD 1.8880 | $176.00 | |
A-RM2.2x0.45NG | M2.2 x 0.45 - 6g | No Go Ring | PD 1.8170 | $176.00 | |
A-RM2.2x0.45Set | M2.2 x 0.45 - 6g | Go & NoGo Rings | PD 1.8880 / 1.8170 | $352.00 | |
A-RM2.5x0.45G | M2.5 x 0.45 - 6g | Go Ring | PD 2.1880 | $176.00 | |
A-RM2.5x0.45NG | M2.5 x 0.45 - 6g | No Go Ring | PD 2.1170 | $176.00 | |
A-RM2.5x0.45Set | M2.5 x 0.45 - 6g | Go & NoGo Rings | PD 2.1880 / 2.1170 | $352.00 | |
A-RM3x0.50G | M3 x 0.50 - 6g | Go Ring | PD 2.6550 | $153.00 | |
A-RM3x0.50NG | M3 x 0.50 - 6g | No Go Ring | PD 2.5800 | $153.00 | |
A-RM3x0.50Set | M3 x 0.50 - 6g | Go & NoGo Rings | PD 2.6550 / 2.5800 | $306.00 | |
A-RM3.5x0.60G | M3.5 x 0.60 - 6g | Go Ring | PD 3.0890 | $142.00 | |
A-RM3.5x0.60NG | M3.5 x 0.60 - 6g | No Go Ring | PD 3.0040 | $142.00 | |
A-RM3.5x0.60Set | M3.5 x 0.60 - 6g | Go & NoGo Rings | PD 3.0890 / 3.0040 | $284.00 | |
A-RM4x0.70G | M4 x 0.70 - 6g | Go Ring | PD 3.5230 | $147.00 | |
A-RM4x0.70NG | M4 x 0.70 - 6g | No Go Ring | PD 3.4330 | $147.00 | |
A-RM4x0.70Set | M4 x 0.70 - 6g | Go & NoGo Rings | PD 3.5230 / 3.4330 | $294.00 | |
A-RM4.5x0.75G | M4.5 x 0.75 - 6g | Go Ring | PD 3.9910 | $147.00 | |
A-RM4.5x0.75NG | M4.5 x 0.75 - 6g | No Go Ring | PD 3.9010 | $147.00 | |
A-RM4.5x0.75Set | M4.5 x 0.75 - 6g | Go & NoGo Rings | PD 3.9910 / 3.9010 | $294.00 | |
A-RM5x0.80G | M5 x 0.80 - 6g | Go Ring | PD 4.4560 | $147.00 | |
A-RM5x0.80NG | M5 x 0.80 - 6g | No Go Ring | PD 4.3610 | $147.00 | |
A-RM5x0.80Set | M5 x 0.80 - 6g | Go & NoGo Rings | PD 4.4560 / 4.3610 | $294.00 | |
A-RM6x1.00G | M6 x 1.00 - 6g | Go Ring | PD 5.3240 | $119.00 | |
A-RM6x1.00NG | M6 x 1.00 - 6g | No Go Ring | PD 5.2120 | $119.00 | |
A-RM6x1.00Set | M6 x 1.00 - 6g | Go & NoGo Rings | PD 5.3240 / 5.2120 | $238.00 | |
A-RM7x1.00G | M7 x 1.00 - 6g | Go Ring | PD 6.3240 | $123.00 | |
A-RM7x1.00NG | M7 x 1.00 - 6g | No Go Ring | PD 6.2120 | $123.00 | |
A-RM7x1.00Set | M7 x 1.00 - 6g | Go & NoGo Rings | PD 6.3240 / 6.2120 | $246.00 | |
A-RM8x1.00G | M8 x 1.00 - 6g | Go Ring | PD 7.3240 | $119.00 | |
A-RM8x1.00NG | M8 x 1.00 - 6g | No Go Ring | PD 7.2120 | $119.00 | |
A-RM8x1.00Set | M8 x 1.00 - 6g | Go & NoGo Rings | PD 7.3240 / 7.2120 | $238.00 | |
A-RM8x 1.25G | M8 x 1.25 - 6g | Go Ring | PD 7.1600 | $119.00 | |
A-RM8x 1.25NG | M8 x 1.25 - 6g | No Go Ring | PD 7.0420 | $119.00 | |
A-RM8x 1.25Set | M8 x 1.25 - 6g | Go & NoGo Rings | PD 7.1600 / 7.0420 | $238.00 | |
A-RM10x1.00G | M10 x 1.00 - 6g | Go Ring | PD 9.3240 | $142.00 | |
A-RM10x1.00NG | M10 x 1.00 - 6g | No Go Ring | PD 9.2120 | $142.00 | |
A-RM10x1.00Set | M10 x 1.00 - 6g | Go & NoGo Rings | PD 9.3240 / 9.2120 | $284.00 | |
A-RM10x1.25G | M10 x 1.25 - 6g | Go Ring | PD 9.1600 | $125.00 | |
A-RM10x1.25NG | M10 x 1.25 - 6g | No Go Ring | PD 9.0420 | $125.00 | |
A-RM10x1.25Set | M10 x 1.25 - 6g | Go & NoGo Rings | PD 9.1600 / 9.0420 | $250.00 | |
A-RM10x1.50G | M10 x 1.50 - 6g | Go Ring | PD 8.9940 | $130.00 | |
A-RM10x1.50NG | M10 x 1.50 - 6g | No Go Ring | PD 8.8620 | $130.00 | |
A-RM10x1.50Set | M10 x 1.50 - 6g | Go & NoGo Rings | PD 8.9940 / 8.8620 | $260.00 | |
A-RM12x1.00G | M12 x 1.00 - 6g | Go Ring | PD 11.3240 | $215.00 | |
A-RM12x1.00NG | M12 x 1.00 - 6g | No Go Ring | PD 11.2060 | $215.00 | |
A-RM12x1.00Set | M12 x 1.00 - 6g | Go & NoGo Rings | PD 11.3240 / 11.2060 | $430.00 | |
A-RM12x1.25G | M12 x 1.25 - 6g | Go Ring | PD 11.1600 | $120.00 | |
A-RM12x1.25NG | M12 x 1.25 - 6g | No Go Ring | PD 11.0280 | $120.00 | |
A-RM12x1.25Set | M12 x 1.25 - 6g | Go & NoGo Rings | PD 11.1600 / 11.0280 | $240.00 | |
A-RM12x1.75G | M12 x 1.75 - 6g | Go Ring | PD 10.8290 | $136.00 | |
A-RM12x1.75NG | M12 x 1.75 - 6g | No Go Ring | PD 10.6790 | $136.00 | |
A-RM12x1.75Set | M12 x 1.75 - 6g | Go & NoGo Rings | PD 10.8290 / 10.6790 | $284.00 | |
A-RM14x1.00G | M14 x 1.00 - 6g | Go Ring | PD 13.3240 | $170.00 | |
A-RM14x1.00NG | M14 x 1.00 - 6g | No Go Ring | PD 13.2060 | $170.00 | |
A-RM14x1.00Set | M14 x 1.00 - 6g | Go & NoGo Rings | PD 13.3240 / 13.2060 | $340.00 | |
A-RM14x1.50G | M14 x 1.50 - 6g | Go Ring | PD 12.9940 | $147.00 | |
A-RM14x1.50NG | M14 x 1.50 - 6g | No Go Ring | PD 12.8540 | $147.00 | |
A-RM14x1.50Set | M14 x 1.50 - 6g | Go & NoGo Rings | PD 12.9940 / 12.8540 | $294.00 | |
A-RM14x2.00G | M14 x 2.00 - 6g | Go Ring | PD 12.6630 | $153.00 | |
A-RM14x2.00NG | M14 x 2.00 - 6g | No Go Ring | PD 12.5030 | $153.00 | |
A-RM14x2.00Set | M14 x 2.00 - 6g | Go & NoGo Rings | PD 12.6630 / 12.5030 | $306.00 | |
A-RM16x1.50G | M16 x 1.50 - 6g | Go Ring | PD 14.9940 | $159.00 | |
A-RM16x1.50NG | M16 x 1.50 - 6g | No Go Ring | PD 14.8540 | $159.00 | |
A-RM16x1.50Set | M16 x 1.50 - 6g | Go & NoGo Rings | PD 14.9940 / 14.8540 | $318.00 | |
A-RM16x2.00G | M16 x 2.00 - 6g | Go Ring | PD 14.6630 | $159.00 | |
A-RM16x2.00NG | M16 x 2.00 - 6g | No Go Ring | PD 14.5030 | $159.00 | |
A-RM16x2.00Set | M16 x 2.00 - 6g | Go & NoGo Rings | PD 14.6630 / 14.5030 | $318.00 | |
A-RM18x1.50G | M18 x 1.50 - 6g | Go Ring | PD 16.9940 | $204.00 | |
A-RM18x1.50NG | M18 x 1.50 - 6g | No Go Ring | PD 16.8540 | $204.00 | |
A-RM18x1.50Set | M18 x 1.50 - 6g | Go & NoGo Rings | PD 16.9940 / 16.8540 | $408.00 | |
A-RM18x2.50G | M18 x 2.50 - 6g | Go Ring | PD 16.3340 | $198.00 | |
A-RM18x2.50NG | M18 x 2.50 - 6g | No Go Ring | PD 16.1640 | $198.00 | |
A-RM18x2.50Set | M18 x 2.50 - 6g | Go & NoGo Rings | PD 16.3340 / 16.1640 | $396.00 | |
A-RM20x1.50G | M20 x 1.50 - 6g | Go Ring | PD 18.9940 | $204.00 | |
A-RM20x1.50NG | M20 x 1.50 - 6g | No Go Ring | PD 18.8540 | $204.00 | |
A-RM20x1.50Set | M20 x 1.50 - 6g | Go & NoGo Rings | PD 18.9940 / 18.8540 | $408.00 | |
A-RM20x2.50G | M20 x 2.50 - 6g | Go Ring | PD 18.3340 | $215.00 | |
A-RM20x2.50NG | M20 x 2.50 - 6g | No Go Ring | PD 18.1640 | $215.00 | |
A-RM20x2.50Set | M20 x 2.50 - 6g | Go & NoGo Rings | PD 18.3340 / 18.1640 | $430.00 | |
A-RM22x1.50G | M22 x 1.50 - 6g | Go Ring | PD 20.9940 | $226.00 | |
A-RM22x1.50NG | M22 x 1.50 - 6g | No Go Ring | PD 20.8540 | $226.00 | |
A-RM22x1.50Set | M22 x 1.50 - 6g | Go & NoGo Rings | PD 20.9940 / 20.8540 | $452.00 | |
A-RM22x2.50G | M22 x 2.50 - 6g | Go Ring | PD 20.3340 | $226.00 | |
A-RM22x2.50NG | M22 x 2.50 - 6g | No Go Ring | PD 20.1640 | $226.00 | |
A-RM22x2.50Set | M22 x 2.50 - 6g | Go & NoGo Rings | PD 20.3340 / 20.1640 | $452.00 | |
A-RM24x2.00G | M24 x 2.00 - 6g | Go Ring | PD 22.6630 | $232.00 | |
A-RM24x2.00NG | M24 x 2.00 - 6g | No Go Ring | PD 22.4930 | $232.00 | |
A-RM24x2.00Set | M24 x 2.00 - 6g | Go & NoGo Rings | PD 22.6630 / 22.4930 | $464.00 | |
A-RM24x3.00G | M24 x 3.00 - 6g | Go Ring | PD 22.0030 | $238.00 | |
A-RM24x3.00NG | M24 x 3.00 - 6g | No Go Ring | PD 21.8030 | $238.00 | |
A-RM24x3.00Set | M24 x 3.00 - 6g | Go & NoGo Rings | PD 22.0030 / 21.8030 | $476.00 | |
A-RM27x2.00G | M27 x 2.00 - 6g | Go Ring | PD 25.6630 | $255.00 | |
A-RM27x2.00NG | M27 x 2.00 - 6g | No Go Ring | PD 25.4930 | $255.00 | |
A-RM27x2.00Set | M27 x 2.00 - 6g | Go & NoGo Rings | PD 25.6630 / 25.4930 | $510.00 | |
A-RM27x3.00G | M27 x 3.00 - 6g | Go Ring | PD 25.0030 | $283.00 | |
A-RM27x3.00NG | M27 x 3.00 - 6g | No Go Ring | PD 24.8030 | $283.00 | |
A-RM27x3.00Set | M27 x 3.00 - 6g | Go & NoGo Rings | PD 25.0030 / 24.8030 | $566.00 | |
A-RM30x2.00G | M30 x 2.00 - 6g | Go Ring | PD 28.6630 | $272.00 | |
A-RM30x2.00NG | M30 x 2.00 - 6g | No Go Ring | PD 28.4930 | $272.00 | |
A-RM30x2.00Set | M30 x 2.00 - 6g | Go & NoGo Rings | PD 28.6630 / 28.4930 | $544.00 | |
A-RM33x2.00G | M33 x 2.00 - 6g | Go Ring | PD 31.6630 | $339.00 | |
A-RM33x2.00NG | M33 x 2.00 - 6g | No Go Ring | PD 31.4930 | $339.00 | |
A-RM33x2.00Set | M33 x 2.00 - 6g | Go & NoGo Rings | PD 21.6630 / 31.4930 | $678.00 | |
A-RM33x3.50G | M33 x 3.50 - 6g | Go Ring | PD 30.6740 | $339.00 | |
A-RM33x3.50NG | M33 x 3.50 - 6g | No Go Ring | PD 30.4620 | $339.00 | |
A-RM33x3.50Set | M33 x 3.50 - 6g | Go & NoGo Rings | PD 30.6740 / 30.4620 | $678.00 | |
A-RM36x3.00G | M36 x 3.00 - 6g | Go Ring | PD 34.0030 | $376.00 | |
A-RM36x3.00NG | M36 x 3.00 - 6g | No Go Ring | PD 33.8030 | $376.00 | |
A-RM36x3.00Set | M36 x 3.00 - 6g | Go & NoGo Rings | PD 34.0030 / 33.8030 | $752.00 | |
A-RM36x4.00G | M36 x 4.00 - 6g | Go Ring | PD 33.3420 | $432.00 | |
A-RM36x4.00NG | M36 x 4.00 - 6g | No Go Ring | PD 33.1180 | $432.00 | |
A-RM36x4.00Set | M36 x 4.00 - 6g | Go & NoGo Rings | PD 33.3420 / 33.1180 | $864.00 | |
A-RM39x3.00G | M39 x 3.00 - 6g | Go Ring | PD 37.0030 | $432.00 | |
A-RM39x3.00NG | M39 x 3.00 - 6g | No Go Ring | PD 36.8030 | $432.00 | |
A-RM39x3.00Set | M39 x 3.00 - 6g | Go & NoGo Rings | PD 37.0030 / 36.8030 | $864.00 | |
A-RM39x4.00G | M39 x 4.00 - 6g | Go Ring | PD 36.3420 | $432.00 | |
A-RM39x4.00NG | M39 x 4.00 - 6g | No Go Ring | PD 36.1180 | $432.00 | |
A-RM39x4.00Set | M39 x 4.00 - 6g | Go & NoGo Rings | PD 36.3420 / 36.1180 | $864.00 |