BS EN High Strength Structural Bolting Assemblies for Preloading. BOLT - Property Class 8.8

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2 BOLT - Property Class 8.8 Page: 1 of 6 BS EN Bolt Dimensions Charateristi Standard Thread size d M12 M16 M20 M22 M24 M27 M30 M36 P pith of thread b Bolt Bolt > 125 < Bolt > da ds dw 1 ) e k r s ¹) The imum value of dw shall not exeed the atual width aross fl ats General Requirements BS EN Materia & Manufature BS EN ISO Property Class 8.8 Finish / Coatings Self Colour / Blak BS EN as proessed Zin Eletroplated BS or BS EN ISO 4042 Hot Dip Galvanized BS EN ISO Mehanial Properties BS EN , BS EN ISO Dimensions & Toleranes BS EN Threads Produt Marking BS EN Important Note ISO 261, ISO tolerane lass 6g It is a requirement of BS EN that The bolt, nut and washer assembly is supplied by one manufaturer who is responsible for the funtion of the assembly. All the omponents are identified with the manufaturer s mark. The oating of the assembly is under the ontrol of the manufaturer. Dimensions apply prior to oating

3 Cooper & Turner Limited CONSTRUCTION. BRIDGE. TUNNEL. RAIL. WIND ENERGY. FASTENERS BS EN BOLT - Property Class 8.8 Page: 2 of 6 BS EN Head Marking 8.8HR BS EN Mehanial properties of property lass 8.8 bolts Bolt thread Dia. Stress Area Proof Load Ultimate Load Hardness Rokwell HRC mm² kn kn M M M M M M M M

4 Cooper & Turner Limited BS EN BOLT - Property Class 8.8 Page: 3 of 6 BS EN Bolt length and thread toleranes Thread d M12 M16 M20 M22 M24 M27 M30 M36 l nom

5 NUT - Property Classes 8 & 10 Page: 4 of 6 BS EN Nut Dimensions Charateristi Standard Thread size d M12 M16 M20 M22 M24 M27 M30 M36 P pith of thread dw 1 ) e m s General Requirements BS EN Materia & Manufature BS EN Property Classes 8 & 10 Finish / Coatings Self Colour / Blak Mehanial Properties BS EN as proessed Zin Eletroplated BS or BS EN ISO 4042 Hot Dip Galvanized BS EN ISO Dimensions & Toleranes BS EN Threads Produt Marking BS EN BS EN BS EN Classes 8 & 10 ISO 261 ISO tolerane Class 6H or 6AZ ¹) The imum value of dw shall not exeed the atual width aross fl ats Dimensions apply prior to oating 15 o to 30 o o d o d w e m s

6 NUT - Property Classes 8 & 10 Page: 5 of 6 BS EN Proof load values of property lasses 8 & 10 nuts BS EN Nut Marking Nut thread Dia. Stress Area Test Mandrel Property Class 8 10 Tolerane lass 6H 1 ) or 6AZ 1 ) Tolerane lass 6H 1 ) or 6AZ 1 ) mm² Proof Load kn Proof Load kn M M M M M M M M ) 6H is the tolerane lass for self olour nuts and 6AZ is the tolerane lass for hot dip galvanized nuts 8HR Property Class 8 10HR Property Class 10

7 WASHER - Chamfered Page: 6 of 6 BS EN Chamfered Washer Dimensions Charateristi Standard Noal size d a ) M12 M16 M20 M22 M24 M27 M30 M36 d d h e nom nom = a ) Noal thread diameter of assoiated bolts Dimensions apply prior to oating BS EN Washer Marking General Requirements BS EN Finish / Coatings Self Colour / Blak BS EN as proessed Zin Eletroplated BS or BS EN ISO 4042 Hot Dip Galvanized BS EN ISO Mehanial Properties BS EN Dimensions & Toleranes BS EN Produt Marking BS EN BS EN Mehanial properties of hamfered washer Noal Size Vikers Hardness (HV) M16 to M36 inlusive H Whit this information is provided in good faith, no member of the Andaray group of ompanies shall be under any responsibility or liability in respet of errors or information that is found to be inorret or for any reliene the user may plae on it.