HAND TAPS 
CARBON STEEL BY 
Plug Style 
Taper Style 
Bottom Style 
Has 3 to 5 Chamfered threads. Use in 
Has 7 to 10 chamfered threads. 
Has 1 to 2 chamfered threads. 
through holes as well as in blind holes 
Commonly used in through holes and 
Use in blind holes where threads 
with sufficient space at the bottom for 
for starting threads. 
must come as close to the hole’s 
chips to accumulate. 
bottom as possible. 
# of 
Thread 
Overall 
Part # 
Part # 
Part # 
Part # 
Size 
Flutes 
Length 
Length 
Plug Style 
Taper Style 
Bottom Style 
3 pc. Set 
0-80 
2 
5/16 
1-5/8 
1-64 
2 
3/8 
1-11/16 
1-72 
2 
3/8 
1-11/16 
2-56 
3 
7/16 
1-3/4 
2-64 
3 
7/16 
1-3/4 
3-48 
3 
1/2 
1-13/16 
3-56 
3 
1/2 
1-13/16 
4-40 
3 
9/16 
1-7/8 
4-48 
3 
9/16 
1-7/8 
5-40 
3 
5/8 
1-15/16 
5-44 
3 
5/8 
1-15/16 
6-32 
3 
11/16 
2 
6-40 
3 
11/16 
2 
8-32 
4 
3/4 
2-1/8 
8-36 
4 
3/4 
2-1/8 
10-24 
4 
7/8 
2-3/8 
10-32 
4 
7/8 
2-3/8 
12-24 
4 
15/16 
2-3/8 
12-28 
4 
15/16 
2-3/8 
1/4-20 
4 
1 
2-1/2 
1/4-28 
4 
1 
2-1/2 
5/16-18 
4 
1-1/8 
2-23/32 
5/16-24 
4 
1-1/8 
2-23/32 
3/8-16 
4 
1-1/4 
2-15/16 
3/8-24 
4 
1-1/4 
2-15/16 
7/16-14 
4 
1-7/16 
3-5/32 
7/16-20 
4 
1-7/16 
3-5/32 
1/2-13 
4 
1-21/32 
3-3/8 
1/2-20 
4 
1-21/32 
3-3/8 
9/16-12 
4 
1-21/32 
3-19/32 
9/16-18 
4 
1-21/32 
3-19/32 
5/8-11 
4 
1-13/16 
3-13/16 
12 
5/8-18 
4 
1-13/16 
3-13/16 
3/4-10 
4 
2 
4-1/4 
3/4-16 
4 
2 
4-1/4 
7/8-9 
4 
2-7/32 
4-11/16 
7/8-14 
4 
2-7/32 
4-11/16 
1-8 
4 
2-1/2 
5-1/8 
1-14 
4 
2-1/2 
5-1/8 
1-1/8-7 
4 
2-9/16 
5-7/16 
1-1/8-12 
4 
2-9/16 
5-7/16 
1-1/4-7 
4 
2-9/16 
5-3/4 
1-1/4-12 
6 
2-9/16 
5-3/4 
12-27 
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