This product has been discontinued and removed from our shelves.
After the raw material 45# steel has been lathed and then quenching treated, it will be grinded into the cylindrical angle ruler by the precision grinder. Our precision angle ruler has high precision and long service life.
Size(mm) | Verticality Between the Measuring Plane and Datum Plane | Flatness or Straightness of the Measuring Plane | Flatness or Straightness of the Measuring Plane | ||||||
Precision Grade(μm) | |||||||||
00 | 0 | 1 | 00 | 0 | 1 | 00 | 0 | 1 | |
φ70×200 | 2 | 4.5 | 9 | 1 | 1.5 | 3 | 1 | 2 | 4.5 |
φ80×200 | 2 | 4.5 | 9 | 1 | 1.5 | 3 | 1 | 2 | 4.5 |
φ80×315 | 3 | 6 | 11 | 1 | 2 | 4 | 1.5 | 3 | 6 |
φ100×500 | 4 | 8 | 15 | 1.5 | 2.5 | 5 | 2 | 4 | 8 |
φ125×630 | 4.5 | 9 | 18 | 1.5 | 3 | 6 | 2.5 | 4.5 | 9 |
φ140×800 | 5 | 10 | 20 | 1.5 | 3 | 7 | 2.5 | 5 | 10 |
φ160×1000 | 6 | 12 | 25 | 2 | 4 | 8 | 3 | 6 | 12 |