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33
UPN UNI EN 10056/2 - UNI EU 57
a a&b
Normal size Tolerance Normal size Tolerance
a ≤ 50 ± 1,0
50 < a ≤ 100 ± 2,0
100 < a ≤ 150 ± 3,0
150 < a ≤ 200 ± 4,0
c ≤ 5 ± 0,5
5 < c ≤ 10 ± 0,75
10 < c ≤ 15 ± 1,0
EU 59-78
a r
Normal size Tolerance Normal size Tolerance
5,5 < a ≤ 15 ± 0,4
15 < a ≤ 25 ± 0,5
25 < a ≤ 35 ± 0,6
8≤ a≤ 12 r ≤ 1
12 < a ≤ 20 r ≤ 1,5
20 < a ≤ 30 r ≤ 2
30 < a ≤ 50 r ≤ 2,5
ELEMENTS TOLERANCES
ROUNDS & HALF ROUNDS UNI EU 60
a
Normal size Tolerance
8 ≤ a ≤ 15
15 < a ≤ 25
25 < a ≤ 3
± 0,4
± 0,5
± 0,6
SQUARES
a
a a
b
r
h
t
y
z
45°
EU 59-78
a r
Normal size Tolerance Normal size Tolerance
5,5 < a ≤ 15 ± 0,4
15 < a ≤ 25 ± 0,5
25 < a ≤ 35 ± 0,6
8≤ a≤ 12 r ≤ 1
12 < a ≤ 20 r ≤ 1,5
20 < a ≤ 30 r ≤ 2
30 < a ≤ 50 r ≤ 2,5
QUARES
a
ROUNDS & HALF ROUNDS UNI EU 60
a
Normal size Tolerance
8 ≤ a ≤ 15
15 < a ≤ 25
25 < a ≤ 3
± 0,4
± 0,5
± 0,6 a a
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