6" x 4" Precision Bevel Edge Square DIN 875

Grade: Grade 00 (0303-8303)

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Precision Bevel Edge Square DIN 875

Blade: 6"
Beam: 4"
Made of Steel hardened to Rockwell 55

  • Squares have accurate right angles both inside and outside
  • Made from a single piece of fully seasoned tool steel
  • All squares are fully hardened
  • Blades are beveled on both edges of each side
  • Beams and blades are ground and accurately
  • lapped for straightness and parallelism
Item Grade Size Precision of Squareness
Inside Angle Outside Angle
0303-8303 Grade 00 6" x 4" 126µin (0.000126 inches) 137.8µin (0.0001378 inches)
0303-6203 Grade 0 6" x 4" 275.6µin (0.0002756 inches) 315µin (0.000315 inches)


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