Addison Ground Thread Hand taps.

 

High Speed Steel

GROUND THREAD HAND TAPS 
UNC Form

Specifications conform
to BS 949/ Part 2 - 1979
(class 2, Corresponds to
Zone 3)

Dimensions in Ins./mm

    groundthreadhandtapsunc

Nominal Diameter Inch Threads per Inch Length of Thread mm Overall Length mm
1/4
5/16
3/8
7/16
1/2		 20
18
16
14
13		 19
22
24
25
29		 66
72
80
85
89
9/16
5/8
3/4
7/8
1		 12
11
10
9
8		 30
32
37
38
45		 95
102
112
118
130
1.1/8
1.1/4
1.3/8
1.1/2
1.3/4		 7
7
6
6
5		 48
51
57
60
67		 138
151
162
170
187
2
2.1/4
2.1/2
2.3/4
3		 4.1/2
4.1/2
4
4
4		 70
76
79
79
83		 200
221
224
234
258

Taps

 Addison