Broca zanco de 1/2

33/64'
17/32"
35/64'
9/16"
37/64'
19/32
39/64'
5/8'
41/64"
21/32
43/64
.11/16
45/64'
23/32
47/64
3/4'
49/64'
25/32'
51/64'
13/16
53/64
27/32'
55/64
7/8'
57/64"
29/32"
59/64'
15/16
61/64'
31/32'
63/64"
1"
1" 11/64"
1" 11/32
1" 1/16
1" 3/32
1" 1/8
1" 5/32
1" 3/16
1" 1/4
1" 5/16
1" 3/8
1" 7/16
1" 1/2