Pennoyer-Dodge Company |
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| Metric Thread Ring Gages | ||||
| Size | Go or | Go and | Ring | Ring |
| Not Go | Not Go | Holder | Holder | |
| 6g | 6g | Size | ||
| Member | Pair of Rings | |||
| M1.6 x 0.35 | 198.00 | 396.00 | 20.00 | # 1T |
| M2.0 x 0.40 | 170.00 | 340.00 | 20.00 | # 1T |
| M2.5 x 0.45 | 170.00 | 340.00 | 20.00 | # 1T |
| M3.0 x 0.50 | 149.00 | 298.00 | 20.00 | # 1T |
| M3.5 x 0.60 | 149.00 | 298.00 | 20.00 | # 1T |
| M4.0 x 0.70 | 139.00 | 278.00 | 20.00 | # 1T |
| M5.0 x 0.80 | 139.00 | 278.00 | 20.00 | # 1T |
| M6.0 x 1.00 | 124.00 | 248.00 | 20.00 | # 1T |
| M8.0 x 1.25 | 124.00 | 248.00 | 20.00 | # 2T |
| M10 X 0.75 | 141.00 | 282.00 | 20.00 | # 3T |
| M10 x 1.00 | 131.00 | 262.00 | 20.00 | # 3T |
| M10 x 1.25 | 131.00 | 262.00 | 20.00 | # 3T |
| M10 x 1.50 | 131.00 | 262.00 | 20.00 | # 3T |
| M12 x 1.25 | 135.00 | 270.00 | 20.00 | # 3T |
| M12 x 1.50 | 140.00 | 280.00 | 20.00 | # 3T |
| M12 x 1.75 | 140.00 | 280.00 | 20.00 | # 3T |
| M14 x 1.50 | 152.00 | 304.00 | 25.00 | # 4T |
| M14 x 2.00 | 152.00 | 304.00 | 25.00 | # 4T |
| M16 x 1.50 | 152.00 | 304.00 | 25.00 | # 4T |
| M16 x 2.00 | 152.00 | 304.00 | 25.00 | # 4T |
| M18 x 1.50 | 205.00 | 410.00 | 25.00 | # 4T |
| M18 x 2.50 | 240.00 | 480.00 | 25.00 | # 4T |
| M20 x 1.00 | 270.00 | 540.00 | 25.00 | # 4T |
| M20 x 1.50 | 250.00 | 500.00 | 25.00 | # 4T |
| M20 x 2.50 | 250.00 | 500.00 | 25.00 | # 4T |
| M22 x 1.50 | 255.00 | 510.00 | 30.00 | # 5T |
