50136

20-12 Master Precision Square 50136

The Starrett 20 Master Precision Square is the finest precision-checking square – not graduated. Squareness accuracy to .0001" (0.0025mm) every 6" (150mm). This hardened steel square is used when extreme accuracy is required. The beams and blades are hardened, ground and lapped to ensure parallelism and straightness. The beam is grooved at the inner corner for clearance of burr or dirt. Made of high quality tool steel, with the finest of craftsmanship throughout. 12” (300mm) Blade, 7” (180mm) Beam throughout.

Features
Specifications
Downloads



Contact Starrett

Features

  • The finest precision-checking squares - not graduated. Squareness accuracy to .0001" (0.0025mm) every 6" (150mm)
  • These hardened steel squares are used when extreme accuracy is required.
  • The beams and blades are hardened, ground and lapped to ensure parallelism and straightness.
  • The beam is grooved at the inner corner for clearance of burr or dirt.
  • Made of high quality tool steel, with the finest of craftsmanship throughout.

Specifications

  • Blade Length (in): 12"
  • Blade Length (mm): 300mm
  • Beam Length (in): 7"
  • Beam Length (mm): 180mm
  • Material: Steel