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D| Style | Model | Thread Type | Thread Size | Type | Pitch Dia. | Gauge Type | Dimension Type | Finish | Long Form Calibration Certificate | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 4121-1B1N | Coarse | 1/4"-20 | NO GO | 1/4" | No-Go | Inch | Uncoated | No | £91.28 | |
| A | 4121-61N | Coarse | - | NO GO | 0.138" | - | Inch | Uncoated | No | £85.54 | |
| A | 4121-5D1N | Coarse | 5/16"-18 | NO GO | 5/16" | - | Inch | Uncoated | No | £79.55 | |
| B | 4121-3C1 | Coarse | 3/8"-16 | GO | 3/8" | Go | Inch | Uncoated | No | £106.95 | |
| A | 4121-5C1N | Coarse | 5/8"-11 | NO GO | 5/8" | No-Go | Inch | Uncoated | No | £120.26 | |
| A | 4121-41 | Coarse | - | GO | 0.112" | - | Inch | Uncoated | No | £131.80 | |
| B | 4121-1A1 | Coarse | 1/2"-13 | GO | 1/2" | Go | Inch | Uncoated | No | £129.26 | |
| B | 4121-5C1 | Coarse | 5/8"-11 | GO | 5/8" | Go | Inch | Uncoated | No | £174.87 | |
| C | 4121-81N | Coarse | - | NO GO | 0.164" | No-Go | Inch | Uncoated | No | £85.54 | |
| B | 4121-1B1 | Coarse | 1/4"-20 | GO | 1/4" | - | Inch | Uncoated | No | £118.23 | |
| A | 4121-3B1N | Coarse | 3/4"-10 | NO GO | 3/4" | No-Go | Inch | Uncoated | No | £122.04 | |
| A | 4121-1A1N | Coarse | 1/2"-13 | NO GO | 1/2" | No-Go | Inch | Uncoated | No | £91.24 | |
| A | 4121-41N | Coarse | - | NO GO | 0.112" | - | Inch | Uncoated | No | £90.89 | |
| B | 4121-61 | Coarse | - | GO | 0.138" | Go | Inch | Uncoated | No | £124.51 | |
| D | 4121-81 | Coarse | - | GO | 0.164" | - | Inch | Uncoated | No | £117.72 | |
| B | 4121-3B1 | Coarse | 3/4"-10 | GO | 3/4" | - | Inch | Uncoated | No | £188.65 | |
| B | 4121-5D1 | Coarse | 5/16"-18 | GO | 5/16" | Go | Inch | Uncoated | No | £106.95 | |
| A | 4121-3C1N | Coarse | 3/8"-16 | NO GO | 3/8" | No-Go | Inch | Uncoated | No | £78.06 | |
| D | 4121-9D2 | Fine | 9/16"-18 | GO | 9/16" | - | Inch | Uncoated | No | £120.26 | |
| B | 4121-5D2 | Fine | 5/16"-24 | GO | - | - | - | - | - | £106.95 | |
| B | 4121-5C2 | Fine | 5/8"-18 | GO | 5/8" | Go | Inch | Uncoated | No | £129.26 | |
| A | 4121-102N | Fine | - | NO GO | 0.19" | No-Go | Inch | Uncoated | No | £90.49 | |
| B | 4121-1A2 | Fine | 1/2"-20 | GO | 1/2" | Go | Inch | Uncoated | No | £127.19 | |
| A | 4121-5C2N | Fine | 5/8"-18 | NO GO | 5/8" | - | Inch | Uncoated | No | £91.24 | |
| B | 4121-3C2 | Fine | 3/8"-24 | GO | 3/8" | - | Inch | Uncoated | No | £119.88 | |
| A | 4121-7D2N | Fine | 7/16"-20 | NO GO | 7/16" | - | Inch | Uncoated | No | £79.79 | |
| B | 4121-3B2 | Fine | 1/4"-16 | GO | 3/4" | Go | Inch | Uncoated | No | £178.68 | |
| B | 4121-1B2 | Fine | 1/4"-28 | GO | 1/4" | - | Inch | Uncoated | No | £129.26 | |
| A | 4121-1A2N | Fine | 1/2"-20 | NO GO | 1/2" | No-Go | Inch | Uncoated | No | £87.95 | |
| A | 4121-1B2N | Fine | 1/4"-28 | NO GO | 1/4" | - | Inch | Uncoated | No | £91.00 | |
| A | 4121-3C2N | Fine | 3/8"-24 | NO GO | 3/8" | - | Inch | Uncoated | No | £98.84 | |
| A | 4121-9D2N | Fine | 9/16"-18 | NO GO | 9/16" | - | Inch | Uncoated | No | £87.95 | |
| B | 4121-7D2 | Fine | 7/16"-20 | GO | 7/16" | - | Inch | Uncoated | No | £112.02 | |
| A | 4121-3B2N | Fine | 1/4"-16 | NO GO | 3/4" | No-Go | Inch | Uncoated | No | £122.04 | |
| A | 4121-5D2N | Fine | 5/16"-24 | NO GO | - | - | - | - | - | £78.06 | |
| B | 4121-102 | Fine | - | GO | 0.19" | - | Inch | Uncoated | No | £117.72 |