a) The Stud Bolt will be according to DIN 976.
b) Threads will be F.T & conform to Class 2A.
c) Material High grade carbon/alloy
steel & stainless steel.
d) Heat Treatment Property Class Grade A2, A4, B, B7, B7M, B8, B8M, B8T, L7, L7M, L43.
e) Coating & Marking
will be done as per requirement.
f) Tolerance of Total Length of Stud Bolt is -0.0/+3.0 In required length.
g) Chemical & Mechanical
Properties as per ISO 898-1 or DIN 267.
|
Nominal |
Pitch of thread P |
Thread Length b |
Major Diameter (D) |
Pitch Diameter (D1) |
Minor Diameter (D2) |
||
|
MM |
Min. |
Min. |
Min. |
Max. |
Max. |
||
|
M-16 |
2.0 |
Full Thread |
15.68 |
15.96 |
14.50 |
14.60 |
13.80 |
|
M-18 |
2.5 |
Full Thread |
17.62 |
17.96 |
16.15 |
16.25 |
15.25 |
|
M-20 |
2.5 |
Full Thread |
19.62 |
19.96 |
18.15 |
18.25 |
17.25 |
|
M-22 |
2.5 |
Full Thread |
21.62 |
21.96 |
20.15 |
20.25 |
19.25 |
|
M-24 |
3.0 |
Full Thread |
23.58 |
23.95 |
21.80 |
21.90 |
20.70 |
|
M-27 |
3.0 |
Full Thread |
26.58 |
26.95 |
24.80 |
24.90 |
23.70 |
|
M-30 |
3.5 |
Full Thread |
29.52 |
29.95 |
27.50 |
27.60 |
26.16 |
|
M-33 |
3.5 |
Full Thread |
32.52 |
32.95 |
30.50 |
30.60 |
29.16 |
|
M-36 |
4.0 |
Full Thread |
35.46 |
35.94 |
33.15 |
33.25 |
31.61 |
|
M-39 |
4.0 |
Full Thread |
38.46 |
38.94 |
36.20 |
36.30 |
34.61 |
|
M-42 |
4.5 |
Full Thread |
41.44 |
41.94 |
38.80 |
38.90 |
37.07 |
|
M-45 |
4.5 |
Full Thread |
44.44 |
44.94 |
41.80 |
41.90 |
40.07 |
|
M-48 |
5.0 |
Full Thread |
47.40 |
47.93 |
44.50 |
44.60 |
42.52 |
|
M-52 |
5.0 |
Full Thread |
51.40 |
51.93 |
48.50 |
48.60 |
46.52 |
|
M-56 |
5.5 |
Full Thread |
55.36 |
55.92 |
52.10 |
52.20 |
49.97 |
|
M-60 |
5.5 |
Full Thread |
59.36 |
59.92 |
57.85 |
57.95 |
53.97 |
|
M-64 |
6.0 |
Full Thread |
63.32 |
63.92 |
59.80 |
59.90 |
57.42 |
|
Material |
Steel |
Stainless Steel |
Non-ferrous metal |
|||
|
General requirements |
ISO 8992 |
|||||
|
Thread |
Tolerance |
6g |
||||
|
International |
DIN 13 Part 15 |
|||||
|
Mechanical properties |
Property |
For Size Up to M39 : 4.8,5.8,8.8 & 10.9 For Size above M39 : Subject to agreement |
For Size Up to M39 : A2-50 or A4-50 For Size above M39 : Subject to agreement |
Copper Zinc Alloy |
||
|
International |
DIN EN 20 898-1 |
ISO 3506 |
DIN EN28 839 |
|||
|
Tolerances |
Product |
A |
||||
|
International |
ISO 4759-1 |
|||||
|
Finish — Coating |
As processed Din 267 part 2 shall apply with regard to surface roughness. Din 26157-1 shall apply with regard to limits for surface discontinuities for property class 5.8 or less and Din 26157-3for property class 8.8 or higher. ISO 4042 shall apply with regard to electroplating. Din 267 part 10 shall apply with regard to hot dip galvanized. |
Bright Din 267 part 2 shall apply with regard to surface roughness. - |
Bright Din 267 part 2 shall apply with regard to surface roughness. - |
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|
Acceptability |
Acceptance inspection is specified in ISO 3269 |
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