Page 229 - Republic Drill

Hand Taps

High Speed Steel – Ground Thread
Hand taps are the most commonly used general purpose
taps. They are recommended for tapping free machining
steels, stainless steels, aluminum, zinc and ductile material.
Hand taps are utilized in either through or blind hole tapping.
Optional Thread Limits & Flutes THREADING
List No. 770H – Optional Thread Limits
List No. 770F – Optional Flutes
List No. 770HF – Optional Thread Limits and Flutes
Please specify plug, bottoming, or taper chamfer when ordering. Price Each
Opt. Thread.
Threads Thread No. of Chamfer Opt. Thread Opt. Flute
Size & Flt.
Per Inch Limits Flutes Available 770H 770F
770HF
1/4 20 H5 4 P,T,B 7.74 — —
1/4 28 H1 3 P,T — — 8.01
1/4 28 H1 4 P,T,B 7.79 — —
1/4 28 H2 3 P — — 8.01
1/4 28 H2 4 P,T,B 8.10 — —
1/4 28 H3 2 P,T,B — 8.10 —
1/4 28 H3 3 P,T,B — 8.10 —
1/4 28 H4 3 P,T,B — — 8.01
1/4 28 H4 4 P,T,B 8.10 — —
1/4 28 H5 4 P,T,B 8.10 — —
5/16 18 H1 3 P,T,B — — 9.00
5/16 18 H1 4 P,T,B 9.14 — —
5/16 18 H2 4 P,T,B 9.14 — —
5/16 18 H3 2 P,T,B — 10.17 —
5/16 18 H3 3 P,T,B — 9.00 —
5/16 18 H4 4 P,T,B 9.00 — —
5/16 18 H5 2 P,T,B --- --- 9.00
5/16 18 H5 3 P,T,B --- --- 9.00
5/16 18 H5 4 P,T,B 9.00 — —
5/16 18 H7 4 P,T 9.00 — —
5/16 18 H9 2 P,T,B — — 9.00
5/16 24 H1 4 P,T,B 9.00 — —
5/16 24 H2 3 P,T,B — — 9.00
5/16 24 H2 4 P,T,B 9.00 — —
5/16 24 H3 2 P,T,B — 9.00 —
5/16 24 H3 3 P,T,B — 9.00 —
5/16 24 H4 3 P,T — — 9.00
5/16 24 H4 4 P,T,B 9.00 — —
5/16 24 H5 4 P 9.00 — —
3/8 16 H1 3 P,T,B — — 11.70
3/8 16 H1 4 P,T,B 11.70 — —
3/8 16 H2 3 P — — 11.70
3/8 16 H2 4 P,T,B 10.22 — —
3/8 16 H3 3 P,T,B — 10.17 —
3/8 16 H5 3 P,T,B — — 11.70
3/8 16 H5 4 P,T,B 10.22 — —
3/8 16 H8 3 P,T — — 11.70
3/8 24 H1 4 P,T,B 11.70 — —
3/8 24 H2 3 P,T,B — — 11.70
3/8 24 H2 4 P,T,B 10.71 — —
3/8 24 H3 3 P,T,B — 11.70 —
3/8 24 H4 3 P,T,B — — 11.70
3/8 24 H4 4 P,T,B 10.22 — —
3/8 24 H5 4 P,T.B 10.22 — —
3/8 24 H8 3 B — — 11.70
7/16 14 H1 4 P,T,B 17.01 — —
7/16 14 H2 4 P,T,B 17.01 — —
7/16 14 H3 3 P,T,B — 17.01 —
7/16 14 H5 3 P,T,B — — 17.01
7/16 14 H5 4 P,T,B 17.01 — —
7/16 20 H1 3 P,T,B — — 17.01
7/16 20 H1 4 P,T,B 17.01 — —
7/16 20 H2 4 P,T,B 17.01 — —
7/16 20 H3 3 P,T — 17.01 —
7/16 20 H4 4 P,T,B 17.01 — —
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