Starrett® 50A 50 Series Improved Trammel Head, For Use With 3/4 in W x 3/8 in THK Beam, Hardened Forged Steel

21750268 MFG #: 50A
  • Series: 50 Series
  • Suitable For Use With: 3/4 in W x 3/8 in THK Beam
  • Material: Hardened Forged Steel
  • Finish: Black Wrinkle
Starrett® Improved Trammel Head, Series: 50 Series, 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
  • Direct reading 0 - 1
  • Reversible, there is a shoulder on both sides of blade, allowing the tool to be reversed s
  • Reversible, there is
  • Reversible lock bolt allows choice of which graduated side of the blade faces the operator
  • Reversible lock bolt
  • Tempered steel blades with accurate, machine-divided graduations
  • Tempered steel blade
  • A spirit level indicates when the base reference surface is level a feature not usually av
  • A spirit level indic
  • The points screw into the heads
  • The points screw int
  • The heads are die cast with black wrinkle finish and have hardened, forged steel divider p
  • The heads are die ca
  • The heads will accommodate a beam upto 3/8 in THK and 3/4 in W
  • The heads will accom
  • Has an adjustable point
  • Has an adjustable po
Direct reading 0 - 180 deg in opposite directions, permitting the direct reading of angles and supplementary angles
• 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, 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
• Reversible lock bolt allows choice of which graduated side of the blade faces the operator
Tempered steel blades with accurate, machine-divided graduations
• 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
• 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 points screw into the heads
The heads are die cast with black wrinkle finish and have hardened, forged steel divider points
• 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
• The heads will accommodate a beam upto 3/8 in THK and 3/4 in W
Has an adjustable point
• Has an adjustable point