Starrett® 50A Improved Trammel Head, For Use With 3/4 in W x 3/8 in THK Beam, Hardened Forged Steel
Item #BC063365
Starrett® Improved Trammel Head, Series: 50, For Use With: 3/4 in W x 3/8 in THK Beam, Hardened Forged Steel, Black Wrinkle
- Direct reading 0 - 180 deg in opposite directions, permitting the direct reading of angles and supplementary angles
- Reversible, there is a shoulder on both sides of blade, allowing the tool to be reversed so the same angle can be scribed or measured left and right
- Reversible lock bolt allows choice of which graduated side of the blade faces the operator
- Tempered steel blades with accurate, machine-divided graduations
- A spirit level indicates when the base reference surface is level a feature not usually available on comparable protractors
- The points screw into the heads
- The heads are die cast with black wrinkle finish and have hardened, forged steel divider points
- The heads will accommodate a beam upto 3/8 in THK and 3/4 in W
- Has an adjustable point