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EN 15048

din-15048

Non Pre-Load Bolt Assemblies

BS EN 15048 – 1 & 28.8 & 10.9 Assemblies BS EN 15048 Fully Threaded Setscrew Dimensions.


Dimensions

 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

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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

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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

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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 export@fnfindia.com

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