Page 28 - Dormer
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● Chamfer drill for pre-tapping holes
R7131 ● Broca con chaflán para agujero previo
● Broca de chanfro para furos de pré-roscagem
● Foret étagé pour perçage avant taraudage
R7131 ■
R7131
R7131
3.30 - 10.40
d d l l 2 l d
1
1
3
2
1
Øm decimal Øh R7131
6
7
mm Inch mm mm mm mm M
3.30 0.1299 11.4 20 66 6 M4 R71313.3
4.20 0.1654 13.6 24 66 6 M5 R71314.2
5.00 0.1969 16.5 28 79 8 M6 R71315.0
6.80 0.2677 21.0 34 89 10 M8 R71316.8
8.50 0.3346 25.5 47 102 12 M10 R71318.5
10.20 0.4016 30.0 55 107 14 M12 R713110.2
10.40 0.4094 30.0 55 107 14 M12 R713110.4
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