Ground Thread Pipe Tap Dimensions

Multiple Spindle Heads, Drill Units, Pneumatic Gang Drills, Multiple Spindle Gang Head

Nominal
Size
(inches) 		Dimensions - Inches
Length
Overall
A 		Length
of
Thread
B 		Length
of
Square
C 		Diameter
of
Shank
D 		Size
of
Square
E
1/16
1/8
1/8 		2-1/8
2-1/8
2-1/8 		11/16
3/4
3/4 		3/8
3/8
3/8		 .3125
.3125
.4375 		.234
.234
.328
1/4
3/8
1/2 		2-7/16
2-9/16
3-1/8 		1-1/16
1-1/16
1-3/8 		7/16
1/2
5/8 		.5625
.7000
.6875 		.421
.531
.515
3/4
1"
1-1/4 		3-1/4
3-3/4
4" 		1-3/8
1-3/4
1-3/4 		11/16
13/16
15/16 		.9063
1.1250
1.3125 		.679
.843
.984
1-1/2
2"
2-1/2 		4-1/4
4-1/2
5-1/2 		1-3/4
1-3/4
2-9/16 		1"
1-1/8
1-1/4 		1.5000
1.8750
2.2500 		1.125
1.406
1.687
3"
3-1/2
4" 		6"
6-1/2
6-3/4 		2-5/8
2-11/16
2-3/4 		1-3/8
1-1/2
1-5/8 		2.6250
2.8125
3.0000 		1.968
2.108
2.250