Key Features
- High-precision angle measurement for thread cutting tools
- Available in 55° and 60° versions for standard thread forms
- Made from rust-resistant stainless steel for marine durability
- Clearly engraved graduations for quick and accurate reading
- Compact, pocket-sized design for easy portability
- Essential for lathe setup, tool grinding, and thread inspection
Technical Specifications
| Model | Center Gauge |
|---|---|
| Angle Types | 55° and 60° |
| Material | Stainless Steel |
| Accuracy | ±0.1° |
| Length | 3.5 inches (89 mm) |
| Width | 0.75 inches (19 mm) |
| Finish | Fine ground, satin |
| Weight | 0.2 oz (5.7 g) |
| Application | Marine engineering, lathe work, tool setting |
Frequently Asked Questions
What are center gauges used for?
Center gauges are used to accurately set the cutting edge of a lathe tool to the correct angle for cutting threads. They also help verify the angle of thread-cutting tools and inspect the alignment of lathe centers.
What is the difference between 55° and 60° center gauges?
55° center gauges are used for British Whitworth threads, while 60° gauges are used for metric and unified (imperial) threads. Choose based on the thread standard you are working with.
Are these center gauges corrosion-resistant?
Yes, they are made of stainless steel, providing excellent resistance to corrosion and making them suitable for use in humid marine environments.
How do I use a center gauge?
Place the gauge against the tool bit edge in the tool post, align the gauge with the thread angle, and adjust the tool holder until the edge matches the gauge's notch. This ensures the tool is ground to the correct angle.
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