Tolerances

The sizes that are not considered here have to be agreed upon in the purchase order

( 2 a ) ( b ) mm after machining Lucefin Group      min. allowance mm ( 2 a ) as a function of thickness  h
raw material < 10 > 10
< 25
> 25
< 35
> 35
< 60
> 60
< 80
> 80
< 100 
> 100
< 130
> 130
< 150
> 150
< 180
> 180
< 200
> 200
< 220
> 220
< 250
2,0   < 20 2,0 2,5
2,5 > 20 < 25 2,5 2,5
3,0 > 25 < 35 3,0 3,0 3,0
3,5 > 35 < 60 3,0 3,0 3,0 3,5
4,5 > 60 < 80 3,5 3,5 4,0 4,0 4,5
5,0 > 80 < 100 4,0 4,0 4,0 4,5 5,0 6,0 7,0
6,0 > 100 < 130 4,5 5,0 5,0 5,5 6,0 7,0 7,0 8,0
8,0 > 130 < 150 5,0 5,5 6,0 6,0 6,5 8,0 8,0 8,0
9,0 > 150 < 180 6,0 6,0 6,5 7,0 8,0 9,0 9,0 10,0
10,0 > 180 < 200 6,5 7,0 7,0 8,0 9,0 9,0 9,0 10,0
12,0 > 200 < 220 8,0 8,5 8,5 9,0 9,5 10,0 10,0 10,5 10,5 11,0
14,0 > 220 < 250 9,0 9,0 9,0 10,0 10,0 10,0 10,5 10,5 11,0 12,0 12,0
15,0 > 250 < 300 9,0 9,0 10,0 10,0 11,0 11,0 11,0 11,0 11,5 12,0 12,0
16,0 > 300 < 350 9,0 9,0 10,0 10,0 11,0 11,0 11,0 11,0 12,0 12,0 12,0
18,0 > 350 < 400 9,0 10,0 10,0 11,0 11,0 11,0 11,0 11,5
20,0 > 400 < 450 10,0 10,0 10,0 11,0 11,0 11,0 11,0
22,0 > 450 < 500 10,0 11,0 11,0 11,5 11,5
24,0 > 500 < 550 11,0 11,0 11,0 11,5 11,5
26,0 > 550 < 600 11,0 11,0 11,5 11,5 11,5
28,0 > 600 < 700 11,0 11,0 11,5 11,5 11,5
30,0 > 700 < 805 11,0 11,5 11,5 11,5 11,5
Example: for a finished flat 110×70 mm, you have to order 116×76 mm. If this size is not in the normal range of production, you’ll have to order a 120×80 mm.