| BS EN 15048 Fully Threaded Setscrew Dimensions. Classes 8.8 & 10.9 |
| Nom. Dia. (d) |
M12 |
M16 |
M20 |
M24 |
M30 |
M36 |
| Thread Pitch |
1.75 |
2.00 |
2.50 |
3.00 |
3.50 |
4.00 |
| a |
Max. |
5.25 |
6.00 |
7.50 |
9.00 |
10.50 |
12.00 |
| s |
Min. |
17.57 |
23.16 |
29.16 |
35.00 |
45.00 |
53.80 |
| Max. |
18.00 |
24.00 |
30.00 |
36.00 |
46.00 |
55.00 |
| e |
Min. |
19.85 |
26.17 |
32.95 |
39.55 |
50.85 |
60.79 |
| df |
Min. |
16.47 |
22.00 |
27.70 |
33.25 |
42.75 |
51.11 |
| c |
Min. |
0.15 |
0.20 |
0.20 |
0.20 |
0.20 |
0.20 |
| Max. |
0.60 |
0.80 |
0.80 |
0.80 |
0.80 |
0.80 |
| r |
Min. |
0.60 |
0.60 |
0.80 |
0.80 |
1.00 |
1.00 |
| de |
Max. |
13.70 |
17.70 |
22.40 |
26.40 |
33.40 |
39.40 |
| k |
Min. |
7.32 |
9.71 |
12.15 |
14.65 |
18.28 |
22.08 |
| Max. |
7.68 |
10.29 |
12.85 |
15.35 |
19.12 |
22.92 |
| Product Characteristic |
Standard |
| Fully Threaded Setscrews |
|
| General Requirements |
ISO 4017 |
| Materials & Manufacture |
ISO 898-1 Classes 8.8 & 10.9 |
| Finish / Coatings |
Zinc Electroplated |
BS 7371-3 or BS EN ISO 4042 |
| Hot Dip Galvanized |
BS 7371-6 or BS EN ISO 10684 |
| Mechanical Properties |
ISO 898-1 Classes 8.8 & 10.9 |
| Dimensions & Tolerances |
ISO 4017 |
| Threads |
ISO 965-2 Class 6G |
Setscrews
| Bolt Thread Diameter |
Tensile Strength |
Proof Load |
Elongation |
Hardness Rockwell HRC |
| N/mm2 min. |
N/mm2 min. |
% Min. |
Min. |
Max. |
| M12 |
800 |
660 |
12 |
23 |
34 |
| M16 |
830 |
660 |
12 |
23 |
34 |
| M20 |
830 |
660 |
12 |
23 |
34 |
| M22 |
830 |
660 |
12 |
23 |
34 |
| M24 |
830 |
660 |
12 |
23 |
34 |
| M27 |
830 |
660 |
12 |
23 |
34 |
| M30 |
830 |
660 |
12 |
23 |
34 |
| M36 |
830 |
660 |
12 |
23 |
34 |
| EN 15048 Assemblies also require a Charpy Impact Test to EN 10045-1 |
BS EN 15048 Nut Dimensions
| Nominal size and thread diameter d |
Pitch of thread p |
Width across flats s |
Width across corners e |
Thickness of nut m |
| Max. |
Min. |
Min. |
Max. |
Min. |
| M12 |
1.75 |
18.00 |
17.57 |
21.10 |
10.80 |
10.37 |
| M16 |
2.00 |
24.00 |
23.67 |
26.75 |
14.80 |
14.10 |
| M20 |
2.50 |
30.00 |
29.16 |
32.95 |
18.00 |
16.90 |
| M24 |
3.00 |
36.00 |
35.00 |
39.55 |
21.50 |
20.20 |
| M30 |
3.50 |
46.00 |
45.00 |
50.85 |
25.60 |
24.30 |
| M36 |
4.00 |
55.00 |
53.80 |
60.79 |
31.00 |
29.40 |
| Product Characteristic |
Standard |
| Nuts |
|
| General Requirements |
ISO 4032 & 4034 |
| Materials & Manufacture |
ISO 4032 & 4034 Class 8, 10 & 12 |
Finish /
Coatings |
Self Colour / Black |
ISO 4032 & 4034 |
| Zinc Electroplated |
BS 7371-3 or BS EN ISO 4042 |
| Hot Dip Galvanized |
BS 7371-6 or BS EN ISO 10684 |
Mechanical
Properties |
Self Colour / Zinc Electroplated |
ISO 4032 & 4034 Class 8 |
| Hot Dip Galvanized |
ISO 4032 & 4034 Class 10 & 12 |
| Dimensions & Tolerances |
ISO 4032 & 4034 |
| Threads |
Self Colour / Zinc Electroplated |
ISO 965-2 Class 6H |
| Hot Dip Galvanized |
ISO 965-2 Class 6AZ |
| Product Marking |
BS EN ISO 898-2 |
BS EN 15048 Proof load values of property classes 8 & 10 nuts
Nut thread
Diameter |
Stress Area Test
Mandrel |
Property Class |
| 8 |
10 |
Tolerance class
6H (1) |
Tolerance class
6AZ (2) |
| mm2 |
Proof Load kN |
Proof Load kN |
| M12 |
84.3 |
67 |
78.1 |
| M16 |
157 |
125 |
150 |
| M20 |
245 |
196 |
236 |
| M24 |
353 |
282 |
342 |
| M30 |
561 |
448 |
551 |
| M36 |
817 |
653 |
808 |
| 6H (1) is the tolerance class for self colour & Zinc plated nuts. |
| 6AZ (2) is the tolerance class for hot dip galvanized nuts |
| Nominal size of bolt or screw |
EN ISO 7089 – 2000 |
| Inside Diameter d1 |
Outside Diameter d2 |
Thickness s |
| Max. |
Min. |
Max. |
Min. |
Max. |
Min. |
| M12 |
13.93 |
13.50 |
24.00 |
22.70 |
2.80 |
2.20 |
| M16 |
17.93 |
17.50 |
30.00 |
28.70 |
3.60 |
2.40 |
| M20 |
22.52 |
22.00 |
37.00 |
35.40 |
3.60 |
2.40 |
| M24 |
26.52 |
26.00 |
44.00 |
42.40 |
4.60 |
3.40 |
| M30 |
33.62 |
33.00 |
56.00 |
54.10 |
4.60 |
3.40 |
| M36 |
40.00 |
39.00 |
66.00 |
64.10 |
6.00 |
4.00 |
| Product Characteristic |
Standard |
| Washers |
|
| General Requirements |
EN ISO 7089 – 2000 |
| Materials & Manufacture |
EN ISO 7089 – 2000 |
Finish /
Coatings |
Self Colour / Black |
EN ISO 7089 – 2000 |
| Zinc Electroplated |
BS 7371-3 or BS EN ISO 4042 |
| Hot Dip Galvanized |
BS 7371-6 or BS EN ISO 10684 |
| Dimensions & Tolerances |
EN ISO 7089 – 2000 |
All data for information purpose only. For more details on product standards or dimensions, please feel free to contact us at sales@nexoworld.in
