Black granite control square ALPA HA140
Characteristics- Used for checking perpendicularity. Made according to extremely small tolerances.
Stability of rest. The larger squares are bored to decrase weight. Lapped surfaces. Top quality finishing.
Diabase absolute black available upon request.
Variations
Code
Dimensions mm
Flatness mm
Accuracy mm
Perpendicularity mm
HA140300
Dimensions mm
300 x 200 x 60
Flatness mm
2,5
Accuracy mm
± 0,0016
Perpendicularity mm
2,5
6
HA140400
Dimensions mm
400 x 250 x 80
Flatness mm
3/2,5
Accuracy mm
± 0,0018
Perpendicularity mm
3
10
HA140500
Dimensions mm
500 x 300 x 60
Flatness mm
3/2,5
Accuracy mm
± 0,002
Perpendicularity mm
3,5
20
HA140630
Dimensions mm
630 x 400 x 80
Flatness mm
3
Accuracy mm
± 0,0023
Perpendicularity mm
4
3,5
HA1401000
Dimensions mm
1000 x 630 x 100
Flatness mm
4/3
Accuracy mm
± 0,0026
Perpendicularity mm
6
120
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