THREADING
TOOLS
S O M T A P 1 2 C A T A L O G U E
166
BS
949:
1951
UNC
CARBON
STEEL
TO ZONE 5
STRAIGHT
FLUTE
905
Suited Materials
Properties
Code
GENERAL
Carbon Steel Short Hand Tap Sets
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1"
20
18
16
14
13
12
11
10
9
8
63.5
69.1
74.6
80.2
85.7
91.3
96.8
108
119.1
130.2
25.4
28.6
31.8
36.5
42.1
42.1
46
50.8
56.4
63.5
6.5
8.1
9.7
8.2
9.3
10.9
12.2
15
17.7
20.3
4.9
6
7.3
6.1
7
8.2
9.1
11.2
13.3
15.2
9050640
9050790
9050950
9051110
9051270
9051430
9051590
9051910
9052220
9052540
Tap Set
Code
Size
l
2
l
1
TPI
d
1
a
BS
949:
1951
UNF
CARBON
STEEL
TO ZONE 5
STRAIGHT
FLUTE
906
Suited Materials
Properties
Code
GENERAL
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1"
28
24
24
20
20
18
18
16
14
12
63.5
69.1
74.6
80.2
85.7
91.3
96.8
108
119.1
130.2
25.4
28.6
31.8
36.5
42.1
42.1
46
50.8
56.4
63.5
4.9
6
7.3
6.1
7
8.2
9.1
11.2
13.3
15.2
6.5
8.1
9.7
8.2
9.3
10.9
12.2
15
17.7
20.3
9060640
9060790
9060950
9061110
9061270
9061430
9061590
9061910
9062220
9062540
Carbon Steel Short Hand Tap Sets
Tap Set
Code
Size
l
2
l
1
TPI
d
1
a
