Special Spiral Flute Tandem Taps
  RH Cut
LH Spiral
LH Cut
RH Spiral
GENERAL DIMENSIONS FOR ACME TANDEM TAPS
Max Depth of Nut
 
EDP
Overall
Thread
Round Shank
Square
Across
Bronze &
Brass &
Size
Flutes
Length
Length
Length
Diameter
Length
Flats
Steel
Cast Iron
1/2
4
37166
37206
5
2 9/16
2
0.367
7/16
0.275
1
1-1/2
9/16
4
37167
37207
5/8
4
37168
37208
6-1/4
3-3/16
2 1/2
0.480
9/16
0.360
1-1/4
1-7/8
11/16
4
37169
37209
3/4
4
37170
37210
7-15/16
4-5/16
3
0.573
5/8
0.430
1-1/2
2-1/4
13/16
4
37171
37211
7/8
4
37172
37212
8-5/8
4-3/8
3 1/2
0.697
3/4
0.523
1-3/4
2-5/8
15/16
4
37173
37213
1
4
37174
37214
10-1/8
5-1/4
4
0.730
7/8
0.547
2
3
1 1/8
4
37175
37215
10-3/4
5-1/4
4 1/2
0.862
1
0.646
2-1/4
3-3/8
1 1/4
4
37176
37216
11-1/8
5-1/4
4 3/4
0.959
1 1/8
0.719
2-1/2
3-3/4
1 3/8
4
37177
37217
12-1/4
5-7/8
5 1/8
1.108
1 1/4
0.831
2-3/4
4-1/8
1 1/2
4
37178
37218
12-5/8
5-7/8
5 1/2
1.233
1 1/4
0.925
3
4-1/2
1 5/8
6
37179
37219
               
1 3/4
37180
37220
2
37181
37221