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Drilling diameters table

(accordind to UNI 6946-2009)

(v 1.0)

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Thread diameterThickness of the material to be drilledHole diameter for laminates of
BeyondUp to and includingSteel, Stainless steel, brassAluminium alloy
Punched holesDrilled holesPunched holesDrilled holes
3,5 mm0,402,852,65
0,400,502,852,65
0,500,602,852,702,85
0,600,802,852,702,852,65
0,800,902,852,802,852,65
0,901,202,852,852,65
1,201,502,952,70
1,501,903,102,80
1,903,503,252,90
3,505,30
3,10
3,9 mm0,503,102,95
0,500,603,102,953,10
0,600,803,102,953,102,90
0,800,903,102,953,102,90
0,901,203,103,103,102,95
1,201,503,253,10
1,501,903,503,25
1,903,903,603,50
3,90
5,903,60
4,2 mm0,503,50
0,500,603,503,203,50
0,600,803,503,203,502,95
0,800,903,503,203,503,10
0,901,203,503,253,503,25
1,201,503,503,50
1,501,903,603,60
1,902,703,803,75
2,703,203,803,75
3,204,203,903,80
4,206,303,90
4,8 mm0,504,00
0,500,604,003,704,00
0,600,804,003,704,00
0,800,904,003,754,003,70
0,901,204,003,904,003,70
1,201,503,903,70
1,501,904,003,75
1,902,704,103,75
2,703,204,303,80
3,203,404,303,90
3,404,804,404,00
4,807,204,10
5,5 mm0,604,704,20
0,600,804,704,20
0,800,904,704,20
0,901,204,704,304,10
1,201,504,504,25
1,501,904,704,40
1,902,704,704,60
2,703,205,004,70
Updated on 18 Dicembre 2023

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