Reference thickness blocks (KUSOT)
| No. of set |
Name of set |
Material |
Nominal thickness values |
| No.1 |
Standard set of plane-parallel thickness blocks |
Duralumin D16 |
1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 12; 15; 18; 20; 25; 30; 35; 40; 45; 50; 75; 90; 100. |
| No.2 |
Standard set of plane-parallel thickness blocks |
Steel  40H13 |
1; 2; 3; 4; 5; 6; 7; 8; 9; 10; 12; 15; 18; 20; 25; 30; 35; 40; 45; 50; 75; 90; 100. |
| No.3 |
Standard set of plane-parallel thickness blocks |
Steel  40H13
Duralumin D16 |
200; 300;
200; 300. |
* – Reference thickness blocks (KUSOT) – are primarily required for purposes where very high precision is required (e.g Metrology services, manufacturing of thickness gauges etc.), if your job does not require high precision from these blocks, we recommend Step wedge calibration blocks instead.
** – In case you need a set of Reference thickness blocks KUSOT, please inform us about required thickness nominals, kind of material, roughness and tolerance, because these blocks are manufactured based on a custom requirements of our customers.
Step wedge calibration blocks
| Thickness nominals |
Materials |
| 1-3-5-7-10-15 mm |
Steel, SS, Aluminum |
| 1-2-3-4-5-6-7-8-9-10-11-12-13-14-15 mm |
Steel, SS, Aluminum |
| 2,5-5-7,5-10-12,5 mm |
Steel, SS, Aluminum |
| 2,5-5-7,5-10-12,5-15-17,5-20 mm |
Steel, SS, Aluminum |
| 2,5-5-7,5-10-12,5-15-20 mm |
Steel, SS, Aluminum |
| 2.5-5-10-20 mm |
Steel, SS, Aluminum |
| 2-3-4-5-6-7-8-9-10 mm |
Steel, SS, Aluminum |
| 2-3-4-5-6-7-8-9-10-11 mm |
Steel, SS, Aluminum |
| 2-4-6-8-10 mm |
Steel, SS, Aluminum |
| 2-4-6-8-10-12 mm |
Steel, SS, Aluminum |
| 2-5-10-15-20-25 mm |
Steel, SS, Aluminum |
| 2-5-10-20-30-40 mm |
Steel, SS, Aluminum |
| 3-4-5-6-7-8-9 mm |
Steel, SS, Aluminum |
| 4-6-8-10-12-15 mm |
Steel, SS, Aluminum |
| 5-10-15-20-25-30 mm |
Steel, SS, Aluminum |
| 5-10-15-20-25 mm |
Steel, SS, Aluminum |
| 5-10-15-20-30-40 mm |
Steel, SS, Aluminum |
| 5-10-15 mm |
Steel, SS, Aluminum |
| 5-10-20 mm, step 0.1 |
Steel, SS, Aluminum |
| 5-10-20-30-40-50 mm |
Steel, SS, Aluminum |
| 10-11-12-13-14-15 mm |
Steel, SS, Aluminum |
| 10-20-30-40-50 mm |
Steel, SS, Aluminum |
| 10-20-40-60-80-100 mm |
Steel, SS, Aluminum |