Inconel 718 Hex Cap Screws to IS 1363-2 Hexagon Head Bolts
β = 15° to 30°
Point shall be chamfered or for threads ≤ M4 may be as-rolled (sheared end)
Incomplete thread u ≤ 2P
Raferee datum for dw
ds ≈ pitch diameter
IS 1364-2 Hexagon Head Screws Preferred Threads Dimensions
| Thread (d)
| M 1.6
| M 2
| M 2.5 |
M 3 |
M 4 |
M 5 |
M 6 |
M 8 |
M 10 |
| pa |
0.35 |
0.4 |
0.45 |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
| a |
maxb |
1.05 |
1.2 |
1.35 |
1.5 |
2.1 |
2.4 |
3 |
4 |
4.5 |
| min |
0.35 |
0.4 |
0.45 |
0.5 |
0.7 |
0.8 |
1 |
1.25 |
1.5 |
| c |
max |
0.25 |
0.25 |
0.25 |
0.40 |
0.40 |
0.50 |
0.50 |
0.60 |
0.60 |
| min |
0.10 |
0.10 |
0.10 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
0.15 |
| da max |
2 |
2.6 |
3.1 |
3.6 |
4.7 |
5.7 |
6.8 |
9.2 |
11.2 |
| dw |
Product Grade |
A min |
2.27 |
3.07 |
4.07 |
4.57 |
5.88 |
6.88 |
8.88 |
11.63 |
14.63 |
| B min |
2.3 |
2.95 |
3.95 |
4.45 |
5.74 |
6.74 |
8.74 |
11.47 |
14.47 |
| e |
Product Grade |
A min |
3.41 |
4.32 |
5.45 |
6.01 |
7.66 |
8.79 |
11.05 |
14.38 |
17.77 |
| B min |
3.28 |
4.18 |
5.31 |
5.88 |
7.50 |
8.63 |
10.89 |
14.20 |
17.59 |
| k |
nom. |
1.1 |
1.4 |
1.7 |
2 |
2.8 |
3.5 |
4 |
5.3 |
6.4 |
| Product Grade |
A max |
1.225 |
1.525 |
1.825 |
2.125 |
2.925 |
3.65 |
4.15 |
5.45 |
6.58 |
| A min |
0.975 |
1.275 |
1.575 |
1.875 |
2.675 |
3.35 |
3.85 |
5.15 |
6.22 |
| Product Grade |
B max |
1.3 |
1.6 |
1.9 |
2.2 |
3.0 |
3.74 |
4.24 |
5.54 |
6.69 |
| B min |
0.9 |
1.2 |
1.5 |
1.8 |
2.6 |
3.26 |
3.76 |
5.06 |
6.11 |
| kwe |
Product Grade |
A min |
0.68 |
0.89 |
1.10 |
1.31 |
1.87 |
2.35 |
2.70 |
3.61 |
4.35 |
| B min |
0.63 |
0.84 |
1.05 |
1.26 |
1.82 |
2.28 |
2.63 |
3.54 |
4.28 |
| r min |
0.1 |
0.1 |
0.1 |
0.1 |
0.2 |
0.2 |
0.25 |
0.4 |
0.4 |
| s |
nom = max |
3.20 |
4.00 |
5.00 |
5.50 |
7.00 |
8.00 |
10.00 |
13.00 |
16.00 |
| Product Grade |
A min |
3.02 |
3.82 |
4.82 |
5.32 |
6.78 |
7.78 |
9.78 |
12.73 |
15.73 |
| B min |
2.90 |
3.70 |
4.70 |
5.20 |
6.64 |
7.64 |
9.64 |
12.57 |
15.57 |
| Product grade |
|
| A |
B |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| nom |
min |
max |
min |
max |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 2 |
1.8 |
2.2 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 3 |
2.8 |
3.2 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 4 |
3.76 |
4.24 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 5 |
4.76 |
5.24 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 6 |
5.76 |
6.24 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 8 |
7.71 |
8.29 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 10 |
9.71 |
10.29 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 12 |
11.65 |
12.35 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 16 |
15.65 |
16.35 |
- |
- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 20 |
19.58 |
20.42 |
18.95 |
21.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 25 |
24.58 |
25.42 |
23.95 |
26.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 30 |
29.58 |
30.42 |
28.95 |
31.05 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 35 |
34.5 |
35.5 |
33.75 |
36.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 40 |
39.5 |
40.5 |
38.75 |
41.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 45 |
44.5 |
45.5 |
43.75 |
46.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 50 |
49.5 |
50.5 |
48.75 |
51.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 55 |
54.4 |
55.6 |
53.5 |
56.25 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 60 |
59.4 |
60.6 |
58.5 |
61.50 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 65 |
64.4 |
65.6 |
63.5 |
66.50 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 70 |
69.4 |
70.6 |
68.5 |
71.50 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 80 |
79.4 |
80.6 |
78.5 |
81.50 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 90 |
89.3 |
90.7 |
88.25 |
91.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 100 |
99.3 |
100.7 |
98.25 |
101.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 110 |
109.3 |
110.7 |
108.25 |
111.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 120 |
119.3 |
120.7 |
118.25 |
121.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 130 |
129.2 |
130.8 |
128 |
132 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 140 |
139.2 |
140.8 |
138 |
142 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 150 |
149.2 |
150.8 |
148 |
152 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 160 |
- |
- |
158 |
162 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 180 |
- |
- |
178 |
182 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 200 |
- |
- |
197.7 |
202.3 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
IS 1364-2 Hexagon Head Screw Non-Preferred Threads Dimensions
| Thread (d) |
M 3.5 |
M 14 |
M 18 |
M 22 |
M 27 |
| pa |
0.6 |
2 |
2.5 |
2.5 |
3 |
| a |
maxa |
13 |
34 |
42 |
50 |
60 |
| min |
19 |
40 |
48 |
56 |
66 |
| c |
max |
0.40 |
0.60 |
0.8 |
0.8 |
0.8 |
| min |
0.15 |
0.15 |
0.2 |
0.2 |
0.2 |
| da max |
4.1 |
15.7 |
20.2 |
24.4 |
30.4 |
| dw |
Product Grade |
A min |
5.07 |
19.64 |
25.34 |
31.71 |
- |
| B min |
4.95 |
19.15 |
24.85 |
31.35 |
38 |
| e |
Product Grade |
A min |
6.58 |
23.36 |
30.14 |
37.72 |
- |
| B min |
6.44 |
22.78 |
29.56 |
37.29 |
45.2 |
| k |
nom. |
2.4 |
8.8 |
11.5 |
14 |
17 |
| Product Grade |
A max |
2.525 |
8.98 |
11.715 |
14.215 |
- |
| A min |
2.275 |
8.62 |
11.285 |
13.785 |
- |
| Product Grade |
B max |
2.6 |
9.09 |
11.85 |
14.35 |
17.35 |
| B min |
2.2 |
8.51 |
11.15 |
13.65 |
16.65 |
| kwe |
Product Grade |
A min |
1.59 |
6.03 |
7.9 |
9.65 |
- |
| B min |
1.54 |
5.96 |
7.81 |
9.56 |
11.66 |
| r min |
0.1 |
0.6 |
0.6 |
0.8 |
1 |
| s |
nom = max |
6.00 |
21.00 |
27.00 |
34.00 |
41 |
| Product Grade |
A min |
5.82 |
20.67 |
26.67 |
33.38 |
- |
| B min |
5.70 |
20.16 |
26.16 |
33.00 |
40 |
| Product grade |
ls and lg fg |
| A |
B |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
| nom |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
| 8 |
7.71 |
8.29 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 10 |
9.71 |
10.29 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 12 |
11.65 |
12.35 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 16 |
15.65 |
16.35 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 20 |
19.58 |
20.42 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 25 |
24.58 |
25.42 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 30 |
29.58 |
30.42 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 35 |
34.5 |
35.5 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 40 |
39.5 |
40.5 |
38.75 |
41.25 |
|
|
|
|
|
|
|
|
|
|
| 45 |
44.5 |
45.5 |
43.75 |
46.25 |
|
|
|
|
|
|
|
|
|
|
| 50 |
49.5 |
50.5 |
48.75 |
51.25 |
|
|
|
|
|
|
|
|
|
|
| 55 |
54.4 |
55.6 |
53.5 |
56.5 |
|
|
|
|
|
|
|
|
|
|
| 60 |
59.4 |
60.6 |
58.5 |
61.5 |
|
|
|
|
|
|
|
|
|
|
| 65 |
64.4 |
65.6 |
63.5 |
66.5 |
|
|
|
|
|
|
|
|
|
|
| 70 |
69.4 |
70.6 |
68.5 |
71.5 |
|
|
|
|
|
|
|
|
|
|
| 80 |
79.4 |
80.6 |
78.5 |
81.5 |
|
|
|
|
|
|
|
|
|
|
| 90 |
89.3 |
90.7 |
88.25 |
91.75 |
|
|
|
|
|
|
|
|
|
|
| 100 |
99.3 |
100.7 |
98.25 |
101.75 |
|
|
|
|
|
|
|
|
|
|
| 110 |
109.3 |
110.7 |
108.25 |
111.75 |
|
|
|
|
|
|
|
|
|
|
| 120 |
119.3 |
120.7 |
118.25 |
121.75 |
|
|
|
|
|
|
|
|
|
|
| 130 |
129.2 |
130.8 |
128 |
132 |
|
|
|
|
|
|
|
|
|
|
| 140 |
139.2 |
140.8 |
138 |
142 |
|
|
|
|
|
|
|
|
|
|
| 150 |
149.2 |
150.8 |
148 |
152 |
|
|
|
|
|
|
|
|
|
|
| 160 |
- |
- |
158 |
162 |
|
|
|
|
|
|
|
|
|
|
| 180 |
- |
- |
178 |
182 |
|
|
|
|
|
|
|
|
|
|
| 200 |
- |
- |
197.7 |
202.3 |
|
|
|
|
|
|
|
|
|
|
| Thread (d) |
M 33 |
M 39 |
M 45 |
M 52 |
M 60 |
| pa |
3.5 |
4 |
4.5 |
5 |
5.5 |
| a |
maxa |
- |
- |
- |
- |
- |
| min |
78 |
90 |
102 |
116 |
- |
| c |
max |
0.8 |
1.0 |
1.0 |
1.0 |
1.0 |
| min |
0.2 |
0.3 |
0.3 |
0.3 |
0.3 |
| da max |
36.4 |
42.4 |
48.6 |
56.6 |
67 |
| dw |
Product Grade |
A min |
- |
- |
- |
- |
- |
| B min |
46.55 |
55.86 |
64.7 |
74.2 |
83.41 |
| e |
Product Grade |
A min |
- |
- |
- |
- |
- |
| B min |
55.37 |
66.44 |
76.95 |
88.25 |
99.21 |
| k |
nom. |
21 |
25 |
28 |
33 |
38 |
| Product Grade |
A max |
- |
- |
- |
- |
- |
| A min |
- |
- |
- |
- |
- |
| Product Grade |
B max |
21.42 |
25.42 |
28.42 |
33.5 |
38.5 |
| B min |
20.58 |
24.58 |
27.58 |
32.5 |
37.5 |
| kwe |
Product Grade |
A min |
- |
- |
- |
- |
- |
| B min |
14.41 |
17.21 |
19.31 |
22.75 |
26.25 |
| r min |
1 |
1 |
1.2 |
1.6 |
2 |
| s |
nom = max |
50 |
60.0 |
70.0 |
80.00 |
90.0 |
| Product Grade |
A min |
- |
- |
- |
- |
- |
| B min |
49 |
58.8 |
68.1 |
78.1 |
87.8 |
| Product grade
| ls and lg fg |
| A |
B |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
ls |
lg |
| nom |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
| 8 |
7.71 |
8.29 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 10 |
9.71 |
10.29 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 12 |
11.65 |
12.35 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 16 |
15.65 |
16.35 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 20 |
19.58 |
20.42 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 25 |
24.58 |
25.42 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 30 |
29.58 |
30.42 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 35 |
34.5 |
35.5 |
- |
- |
|
|
|
|
|
|
|
|
|
|
| 40 |
39.5 |
40.5 |
38.75 |
41.25 |
|
|
|
|
|
|
|
|
|
|
| 45 |
44.5 |
45.5 |
43.75 |
46.25 |
|
|
|
|
|
|
|
|
|
|
| 50 |
49.5 |
50.5 |
48.75 |
51.25 |
|
|
|
|
|
|
|
|
|
|
| 55 |
54.4 |
55.6 |
53.5 |
56.5 |
|
|
|
|
|
|
|
|
|
|
| 60 |
59.4 |
60.6 |
58.5 |
61.5 |
|
|
|
|
|
|
|
|
|
|
| 65 |
64.4 |
65.6 |
63.5 |
66.5 |
|
|
|
|
|
|
|
|
|
|
| 70 |
69.4 |
70.6 |
68.5 |
71.5 |
|
|
|
|
|
|
|
|
|
|
| 80 |
79.4 |
80.6 |
78.5 |
81.5 |
|
|
|
|
|
|
|
|
|
|
| 90 |
89.3 |
90.7 |
88.25 |
91.75 |
|
|
|
|
|
|
|
|
|
|
| 100 |
99.3 |
100.7 |
98.25 |
101.75 |
|
|
|
|
|
|
|
|
|
|
| 110 |
109.3 |
110.7 |
108.25 |
111.75 |
|
|
|
|
|
|
|
|
|
|
| 120 |
119.3 |
120.7 |
118.25 |
121.75 |
|
|
|
|
|
|
|
|
|
|
| 130 |
129.2 |
130.8 |
128 |
132 |
|
|
|
|
|
|
|
|
|
|
| 140 |
139.2 |
140.8 |
138 |
142 |
|
|
|
|
|
|
|
|
|
|
| 150 |
149.2 |
150.8 |
148 |
152 |
|
|
|
|
|
|
|
|
|
|
| 160 |
- |
- |
158 |
162 |
|
|
|
|
|
|
|
|
|
|
| 180 |
- |
- |
178 |
182 |
|
|
|
|
|
|
|
|
|
|
| 200 |
- |
- |
197.7 |
202.3 |
|
|
|
|
|
|
|
|
|
|