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Hougen "12,000-Series" Tap Drills

 
"12,000-Series" Tap Drills
Cutter Dia.
Thread
Dec. Equiv.
Part No.
1" (25mm)
2" (50mm)
Use with Pilot
10531
10532
7/16"
1/2 - 13
.4375
12114
12214
29/64"
1/2 - 20
.4531
----
12010
31/64"
9/16 - 12
.4844
----
12011
33/64"
9/16 - 18
.5156
----
12012
17/32"
5/8 - 11
.5313
12117
12217
37/64"
5/8 - 18
.5781
----
12014
19/32"
11/16-11
.5938
----
12219
Use with Pilot
10527
10528
21/32"
3/4 - 10
.6563
12121
12221
23/32"
1/2-14 NPT
.7188
----
12223
49/64"
7/8-9
.7656
----
12020
25/32"
7/8 - 9
.7812
12125
12225
59/64"
1-12
.9219
----
12025