Material: Medium Carbon Steel
Accuracy: ±0.07 mm
Designed to accurately determine the pitch of screw threads, these gauges cater to both metric and imperial measurements. Fabricated from durable medium carbon steel, they ensure precision and longevity.

Metric 60° and Whitworth 55° Screw Gauge:
- Code: 4820-452
- Range: 0.25-6 mm (Metric) | 4-62 TPI (Whitworth)
- Pitch of Leaves Included:
- Metric: 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, 6 mm
- Whitworth: 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, 62 TPI
- Quantity of Leaves: 52
Metric 60° and Unified 60° Screw Gauge:
- Code: 4820-552
- Range: 0.4-7 mm (Metric) | 4-42 TPI (Unified)
- Pitch of Leaves Included:
- Metric: 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, 7 mm
- Unified: 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, 42 TPI
- Quantity of Leaves: 52
Both sets are crafted to offer comprehensive coverage for a wide range of screw threads, facilitating precise measurement for professionals and enthusiasts alike.