Product Details
251 Series™ 20" SAE and Metric Steel Beam Trammel by Starrett®. The Starrett C251C is a rigid, well-designed trammel for layout, scribing, and measuring distances and circles. The top of the beam is flattened so that when the trams are clamped in position, they will not turn from pressure on the points. Trammel, 18" (450mm) Dividing Range points.
Specifications
| Material: Steel |
| Units Of Measuring: SAE and Metric |
| Maximum Dividing Range: 18" (450 mm) |
| Maximum Scribing Diameter Range: 36" (900 mm) |
| Beam Size: 20" (500 mm) |
Features
- Rigid, well-designed
- The top of the beam is flattened so that when the trams are clamped in position, they will not turn from pressure on the points
- The 3" (75mm) points may be adjusted for length in the spring chucks and can be easily replaced with caliper legs or other attachments listed
- The ball points with 3" (75mm) holder permit working from holes up to 1-1/2" (38mm) in diameter
- A pair of 3" (75mm) caliper points is included with each trammel
- One tram has a fine-adjusting screw for the points
- Held in place by spring friction, which prevents them from sliding when the nuts are loosened for setting
- Each tram has a knurled swivel grip at the top that turns freely, making it very convenient to swing the tool when scribing circles
Founded in 1880, Starrett® became a top manufacturer of high-quality precision tools, measuring instruments, gages as well as saws and hand tool products for industrial, professional, and other markets throughout the world. The company's products are designed and made to meet or exceed accuracy and performance requirements of national and international standards. With over five generations of innovation, excellent quality, and unparalleled precision, the Starrett brand remains distinctly American.