Huot Tap/Drill Indexes

12700 NF combinations:6-40 tap #33 drill,
8-36 #29,10-32 #21,12-28 #15,1/4-28 #3,
5/16-24 Ltr I,3/8-24 Ltr Q,7/16-20,25/64,
1/2-20,29/64.

NC Combinations:6-32 #36 drill,8-32 #29,
10-24 #25,12-24 #16,1/4-20 #7,5 ⁄16-18 Ltr F,
3/8-16 5/16,7/16-14 Ltr U,1/2-13,27/64.

12650 NF combinations:6-40 tap #33 drill,8-36
#29 10-32 #21 1/4-28 #3,5/16-24 #I,3/8-24 #Q,
7/16-20 #25/64,1/2-20 #29/64.

12675 Metric combinations:M2.5 x 0.45 tap
2.05mm drill,3.0 x 0.50 2.50mm,
3.5 x 0.60,2.90mm,M4.0 x 0.7 3.30mm,
M5.0 x 0.8 4.20mm,M6.0 x 1.0 5.0mm,
M8.0 x 1.25 6.70mm,M10.0 x 1.5 8.50mm,
M12 x 1.75,10.2mm.

Conveniently combines taps with the corresponding tap drill.
Note:Taps and drills sold separately.