PITCH GAGE CODE – 4820
- Check the pitch of screw thread
- Accuracy: ±0.07mm
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Metric 60° screw
| Code | Range | Pitch of leaves included | Quantity of leaves |
| 4820-122 | 0.4 – 7.0mm | 0.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm | 22 |
| 4820-124 | 0.25 – 7.0mm | 0.25, 0.3, 0.35, 0.4, 0.5, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm | 24 |
| 4820-1241 | 0.25 – 6.0mm | 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6mm | 24 |
Unified 60° screw
| Code | Range | Pitch of leaves included | Quantity of leaves |
| 4820-230 | 4 – 42TPI | 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42TPI | 30 |
Whitworth 55° screw
| Code | Range | Pitch of leaves included | Quantity of leaves |
| 4820-330 | 4 – 42TPI | 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42TPI | 30 |
| 4820-328 | 4 – 62TPI | 4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 62TPI | 28 |
Metric 60° Whitworth 55°screw
| Code | Range | Pitch of leaves included | Quantity of leaves |
| 4820-330 |
0.25 – 6.0mm 4 – 62TPI |
0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6mm 4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 62TPI |
52 |
| 4820-450 |
0.4 – 7.0mm 4 – 62TPI |
0.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm 4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 4 – 62TPI 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 62TPI |
50 |
Metric 60° Unified 60°screw
| Code | Range | Pitch of leaves included | Quantity of leaves |
| 4820-552 |
0.4 – 7.0mm 4 – 42TPI |
0.4, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42TPI |
52 |
PITCH GAGE CODE – 4824
- Check the pitch of screw thread
- Accuracy: ±0.07mm
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| Code | Range | Thread type | Pitch of leaves included | Quantity of leaves |
| 4824-12 | 2 – 20mm | Tr 30° | 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 20mm | 12 |
| 4824-16 | 1 – 12TPI | ACME 29° | 1, 1-1/3, 1-1/2, 1-3/4, 2, 2-1/2, 3, 3-1/2, 4, 5, 6, 7, 8, 9, 10, 12TPI | 16 |
THREAD GAGE CODE – 4812
- To check and set screw cutting tools
- Angle accuracy: ±10 min.
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| Code | Range | Thread type | Pitch |
| 4812 12 | 2 – 2mm | Tr 30° | 2, 3, 4, 5, 6, 7, 8, 9, 10, 12mm |
| 4812 E | 1 10TPI | ACME 29° | 1, 1-1/3, 1-1/2, 1-3/4, 2, 2-1/2, 3, 4, 5, 6, 7, 8, 9, 10TPI |
