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Hougen "12,000-Series" Tap Drills

A clean, accurate hole helps to make tapping an easier task. You can achieve that task easily with these tap drill size "12,000-Series" Cutters. Kit #12007 contains five popular sizes of tap drills.

Cutter Dia.
Thread
Dec. Equiv.
Part No.
1" (25mm) 2" (50mm)
Use with Pilot 10531 10532
7/16" 1/2 - 13 0.4375 12114 12214
29/64" 1/2 - 20 0.4531 ---- 12010
31/64" 9/16 - 12 0.4844 ---- 12011
33/64" 9/16 - 18 0.5156 ---- 12012
17/32" 5/8 - 11 0.5313 12117 12217
37/64" 5/8 - 18 0.5781 ---- 12014
19/32" 11/16 - 11 0.5938 ---- 12219
Use with Pilot 10527 10528
21/32" 3/4 - 10 0.6563 12121 12221
23/32" 1/2 - 14 NPT 0.7188 ---- 12223
49/64"
7/8 - 9
0.7656 ---- 12020
25/32" 7/8 - 9 0.7812 12125 12225
59/64"
1 - 12
0.9219 ---- 12025