STANDARD THREADING LENGTHIN ALL DIA : LENGTH
Up to
130mm
Up to
200mm
Above 200mm
2 Dia +
6mm
2 Dia
+12mm
2 Dia +25mm
ABOVE 64MM DIA 6 PITCH & 4.2 TPI
44.00
47.00
49.80
45.00
48.00
51.00
33.50
37.50
39.50
34.50
38.50
40.50
83.60
88.60
93.60
85.00
90.00
95.00
4.6
4.6
4.2
5.5
5.5
6.00
56mm
60mm
64mm
35.00
37.00
41.00
36.00
38.00
42.00
27.56
29.58
32.50
28.42
30.42
33.50
68.80
73.80
78.80
70.00
75.00
80.00
5.6
5.1
5.1
4.5
5.00
5.00
45mm
48mm
52mm
13.45
13.45
15.45
14.55
14.55
16.55
25.35
28.35
30.20
33.00
26.65
29.65
31.80
34.00
20.35
22.35
24.35
25.58
21.65
23.65
25.65
26.42
49.00
53.80
58.80
63.80
50.00
55.00
60.00
65.00
32.38
35.38
38.38
34.60
37.60
40.60
7.2
6.3
6.3
5.6
3.5
4.00
4.00
4.5
33mm
36mm
39mm
42mm
9.55
9.55
11.45
11.45
10.45
10.45
12.55
12.55
17.45
18.35
21.35
23.35
18.55
19.65
22.65
24.65
13.45
14.45
16.45
18.35
14.55
15.55
17.55
19.65
31.00
35.00
40.00
45.00
32.00
36.00
41.00
46.00
21.48
23.48
26.48
29.48
23.30
25.30
28.30
31.30
10.1
8.4
8.4
7.2
2.5
3.00
3.00
3.5
22mm
24mm
27mm
30mm
7.55
7.55
8.55
8.55
8.45
8.45
9.45
9.45
10.45
12.45
14.45
15.45
11.55
13.55
15.55
16.55
8.55
9.55
11.45
12.45
9.45
10.45
12.55
13.55
21.16
23.16
26.16
29.16
22.00
24.00
27.00
30.00
13.57
15.57
17.57
19.48
15.10
17.10
19.10
21.30
12.7
12.7
10.1
10.1
2.00
2.00
2.5
2.5
14mm
16mm
18mm
20mm
2.70
3.62
4.62
6.55
3.30
4.38
5.38
7.45
4.62
6.05
7.55
9.55
5.38
6.95
8.45
10.45
3.62
5.12
6.55
7.55
4.38
5.88
7.45
8.45
9.64
12.57
16.57
18.48
10.00
13.00
17.00
19.00
5.7
7.64
9.64
11.57
6.48
8.9
10.9
13.10
25.4
20.3
16.9
14.5
1.00
1.25
1.5
1.75
6mm
8mm
10mm
12mm
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Thickness of Locknuts
Thickness
of
Nuts
Thickness
of
Heads
Size
Across
Flat
Dia of
Unthreaded
Shank
STD TPI
Stadard Pitch
DIA of Bolts |