55% Thread Drill Size
#12
#13
#2
#21
#24
#26
#27
#3
#31
#32
#36
#37
#44
#49
#51
1.30 mm
1.60 mm
1/2 in
10.20 mm
10.20mm
10.60 mm
10.90 mm
11.25 mm
11.30 mm
11.30mm
11.80 mm
11/32 in
12.20 mm
12.50 mm
12.90 mm
13.25 mm
13.75 mm
14.20 mm
14.20mm
14.50 mm
14.80 mm
14.90 mm
15.00 mm
15.30 mm
15/16 in
15/32 in
16.20 mm
16.90 mm
17.20 mm
17.20mm
17.90 mm
17/32 in
18.20 mm
18.40 mm
19/64 in
2.12 mm
2.45 mm
2.60 mm
2.75 mm
2.93 mm
2.95 mm
20.90 mm
23/64 in
27/64 in
29/32 in
3.20 mm
3.50 mm
3.60 mm
3.60mm
3/32 in
3/32"
4.25 mm
4.25mm
4.40 mm
4.42 mm
4.52 mm
5.06 mm
5.25 mm
5.70 mm
5.70mm
5.85 mm
51/64 in
55/64 in
6.00 mm
7.10 mm
7.25 mm
7.40 mm
8.40 mm
8.40mm
8.90 mm
9.10 mm
9.25 mm
9/32 in
9/32"
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