Cylindrical Square / Master Cylinder
 |
They provide most reliable reference standards for checking squareness of vertical axis with reference to horizontal axis.
- Made generally as per IS-6952-1990
- Made from good quality alloy steel, heat-treated for maximum stability and wear resistance.
- Periphery precision ground and lapped to a fine surface finish.
- Ends are recessed and have lapped finish.
- Provided with teak-ply storing case on request at extra cost.
|
STANDARD SIZES (mm) |
NON-STANDARD SIZES (mm) |
||||
|
L x Ø
(mm) |
Squareness
(µm) |
Flatness of end
faces (µm) |
L x Ø
(mm) |
Squareness
(µm) |
Flatness of end
faces (µm) |
|
150 x 70
|
2.0
|
1.5
|
300 x 85
|
5.0
|
2.5
|
|
220 x 90
|
3.0
|
2.0
|
450 x 85
|
7.0
|
4.0
|
|
300 x 95
|
5.0
|
2.5
|
500 x 85
|
8.0
|
4.0
|
|
450 x 120
|
7.0
|
4.0
|
600 x 85
|
9.0
|
5.0
|
|
600 x 140
|
9.0
|
5.0
|
750 x 100
|
11.0
|
6.0
|
|
750 x 160
|
11.0
|
6.0
|
1000 x 150
|
15.0
|
7.0
|
- Finer accuracies and other sizes on request.