BAPPG r o u p o f C o m p a n i e s BAPP G r o u p o f C o m p a n i e s Pre-Load Bolt Assemblies BS EN 14399 Parts 1 to 8 CE Requirements BAPP G r o u p o f C o m p a n i e s This standard refers to assemblies that require a specifc tightening load and replaces previous standards BS 4395 Parts 1 & 2 and Din 6914. This standard must be adheard to on all manufactured product after October 2007. Any products produced previously to BS 4395 Parts 1 & 2 and Din 6914 can still be sold as pre-loadable bolts. These products manufactured to BS EN 14399 must comply with the construction directive 89/106/EEC which requires that all products are CE approved and marked. Bapp Group Limited have decided that the method of CE marking will be done by using a label clearly showing the ‘CE’ mark. Pre-Load Bolt Assemblies BS EN 14399 Parts 1 & 2 BS EN 14399 PART ONE General Requirements BS EN 14399 PART TWO Suitability test for preloading (assembly test)* BS EN 14399 PART THREE Hexagon Bolt and Nut Assemblies (HR 8.8 and 10.9) BS EN 14399 PART FOUR Hexagon Bolt and Nut Assemblies (HV 10.9) BS EN 14399 PART FIVE Plain Washers BS EN 14399 PART SIX Plain Chamfered Washers BS EN 14399 PART SEVEN Countersunk Bolts and Nuts Assemblies HR 8.8 and 10.9 BS EN 14399 PART EIGHT Hexagon Fit Bolts and Nuts HV 10.9 BS EN 14399 currently has 8 parts to the standard, this is now under review to add the following. BS EN 14399 PART NINE Direct Tension Indicators BS EN 14399 PART TEN Tension Control Bolts * These 2 additions will be published in 2009 CE Requirements * The suitability test is required to allow the CE approval. HEAD MARKINGS BS EN 14399 PART THREE HR 8.8 Note - The ‘8.8 HR,10.9 HR, 8 HR and 10 HR’ means that the product was manufactured to BS EN 14399-3. BAPP G r o u p o f C o m p a n i e s Stockists of Industrial Fasteners, Engineering Supplies and Health & Safety Products Page 1 BDL BG BDL BG BDL BG BDL BG 10 HR 10 HR BDL BG 10.9 HR 10.9 HR BAPP G r o u p o f C o m p a n i e s High Strength Preloadable Bolt HR System BS EN 14399 Part 3 - Dimensions of Hexagon Head Bolt S e S e BS EN 14399 Part 3 d a d f d 30 o 45 o Rad r k Length c Length Rad. approx. 1 1 / 4 d d BDL BDL 8.8 HR 10.9 HR BS EN 14399 Part 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Nominal size and thread diameter d Pitch of thread p Diameter of unthreaded shank da Width across flats s Width across corners e Diameter of washer face df Depth of washer face c Radius under head r Transition diameter da Thickness of head k (coarse pitch series) max. min. max. min. max. min. max. min. max. max. min. max. max. min. M12 a 1.75 12.70 11.30 22.00 21.16 25.40 23.91 22.00 20.10 0.8 1.60 1.20 15.20 7.95 7.05 M16 2.0 16.70 15.30 27.00 26.16 31.20 29.56 27.00 24.90 0.8 1.60 1.20 19.20 10.75 9.25 M20 2.5 20.84 19.16 32.00 31.00 36.90 35.03 32.00 29.30 0.8 1.80 1.50 24.40 13.40 11.60 M22 2.5 22.84 21.16 36.00 35.00 41.60 39.55 36.00 33.30 0.8 1.80 1.50 26.40 14.90 13.10 M24 3.0 24.84 23.16 41.00 40.00 47.30 45.20 41.00 38.00 0.8 1.80 1.50 28.40 15.90 14.10 M27 3.0 27.84 26.16 46.00 45.00 53.10 50.85 46.00 42.80 0.8 2.50 2.00 32.40 17.90 16.10 M30 3.5 30.84 29.16 50.00 49.00 57.70 55.37 50.00 46.60 0.8 2.50 2.00 35.40 19.75 17.65 M36 4.0 37.00 35.00 60.00 58.80 69.30 66.44 60.00 55.90 0.8 2.50 2.00 42.40 23.55 21.45 a Non-preferred. Only to be used for the lighter type of construction where practical conditions, such as material thickness, do not warrant the usage of a larger size bolt than M12. Standard Specification: BS EN 14399:2005 Part 3 Material: High Tensile Steel Strenght Grade: 8.8, 10.9 Screw Thread: 6G of ISO 965/2 Surface Finish: Black, Electro Galvanized, Dacromet Hot Dipped Galvanized, Sherardised BAPP G r o u p o f C o m p a n i e s Bolt/Nut/Washer Assembly System HR General Requirements EN 14399-1 Bolt/Nut Assembly EN 14399-3 Marking HR Property Classes 8.8/8 10.9/10 Washer(s) EN 14399-5 or EN 14399-6 Marking H Suitable test for preloading EN 14399-2 Specifications for bolts and reference standards Material Steel General Requirements EN 14399-1 Thread Tolerance 6g a International Standards ISO 261, ISO 965-2 Mechanical Properties Property Class 8.8 or 10.9 European Standard EN ISO 898-1 Impact Strength Value KV. min = 27 J at - 20 o C Test Piece b ISO 148 Test EN 10045-1 Tolerances Product Grade C except: dimensions c and r Tolerance for lengths 160mm ± 4.0mm International Standards EN ISO 4759-1 Surface Finish Normal as processed c Hot Dip Galvanized EN ISO 10684 d Others To be agreed e Surface Discontinuities Limits to surface discontinuities as specified in EN 26157-1 Acceptability For acceptance procedure, see EN ISO 3269 a The tolerance class specified applies before hot-dip galvanizing. Hot-dip galvanized bolts are intended for assembly with oversize tapped nuts. b The location of the V-notch test pieces in the bolt shall be as specified in EN ISO 898-1. c “As processed” means the normal finish resulting from manufacture with a light coating of oil. d Attention is drawn to the need to consider the risk of hydrogen embrittlement in the case of bolts of property class 10.9, when selecting an appropriate surface treatment process (e.g. cleaning and coating), see the relevant coating standards. e Other coatings may be negotiated between the purchaser and the manufacturer provided they do not impair the mechanical properties or the functional characteristics. Coatings of cadmium or cadmium alloys are not permitted. S e BG 8.8 HR BS EN 14399 Part 3 S e BG 10.9 HR BS EN 14399 Part 3 Page 2 BAPP G r o u p o f C o m p a n i e s High Strength Preloadable Nut HR System S e S BS EN 14399 Part 3 BDL BDL 8 HR 10 HR BS EN 14399 Part 3 1 2 3 4 5 6 7 8 9 10 11 12 Nominal size and thread diameter d Pitch of thread p Width across flats s Width across corners e Diameter of washer face dw Depth of washer face c Thickness of nut m Tolerance on squareness (Coarse pitch series) max. min. max. min. max. min. max. max. min. max. M12 a 1.75 22.00 21.16 25.40 23.91 22.00 20.10 0.8 10.80 10.37 0.38 M16 2.0 27.00 26.16 31.20 29.56 27.00 24.90 0.8 14.80 14.10 0.47 M20 2.5 32.00 31.00 36.90 35.03 32.00 29.50 0.8 18.00 16.90 0.58 M22 2.5 36.00 35.00 41.60 39.55 36.00 33.30 0.8 19.40 18.10 0.63 M24 3.0 41.00 40.00 47.30 45.20 41.00 38.00 0.8 21.50 20.20 0.72 M27 3.0 46.00 45.00 53.10 50.85 46.00 42.80 0.8 23.80 22.50 0.80 M30 3.5 50.00 49.00 57.70 55.37 50.00 46.60 0.8 25.60 24.30 0.87 M36 4.0 60.00 58.80 69.30 66.44 60.00 55.90 0.8 31.00 29.40 1.05 a Non-preferred. Only to be used for the lighter type of construction where practical conditions, such as material thickness, do not warrant the usage of a larger size bolt than M12. Dimensions of Hexagon Nuts Standard Specification: BS EN 14399 Part 3 Material: High Tensile Steel Strenght Grade: 8, 10 Screw Thread: Conforms to Class 6H or 6AZ of ISO 965/2 Coarse Series Surface Finish: Black, Electro Galvanized, Dacromet Hot Dipped Galvanized, Sherardised BAPP G r o u p o f C o m p a n i e s Specifications for nuts and reference standards Material Steel General Requirements EN 14399-1 Thread Tolerance 6H or 6AZ International Standards ISO 261, ISO 965-2, ISO 965-5 Mechanical Properies Property Class 8 a or 10 a European Standard EN 20898-2 Tolerances Product Grade B except dimensions m and c International Standard EN ISO 4759-1 b Surface Finish Normal As processed c Hot Dip Galvanized EN ISO 10684 Others To be agreed d Surface Discontinuities Limits for surface discontinuities as specified in EN 493 Acceptability For acceptance procedure, see EN ISO 3269 a For proof load values, see 4.3. All other mechanical properties as specified in EN 20898-2. b Except tolerance on perpendicularity of bearing face. see tolerance / in Table 4. c “As processed” means the normal finish resulting from manufacture with a light coating of oil. d Other coatings may be negotiated between the purchaser and the manufacturer provided they do not impair the mechanical properties or the functional characteristics. Coatings of cadmium or cadmium alloys are not permitted. Thread d Nominal stress area of standard test mandrel As property class 8 10 Tolerance class 6H or 6AZ Tolerance class 6H or 6AZ mm 2 Proof load (As x Sp), N M12 84.3 84 300 97 800 M16 157 157 000 182 100 M20 245 245 000 284 200 M22 303 303 000 351 200 M24 353 353 000 409 500 M27 459 459 000 532 400 M30 561 561 000 650 800 M36 817 817 000 947 700 Note: The proof load values are based on the following stresses under proof load: - For nuts of property class 8: 1 000 N/mm2 - For nuts of property class 10: 1 160 N/mm2 30 o m c dw S e BG 8 HR BS EN 14399 Part 3 S e BG 10 HR BS EN 14399 Part 3 e Page 3 BAPP G r o u p o f C o m p a n i e s High Strength Preloadable Bolt HV System BS EN 14399 Part 4 - Dimensions of Hexagon Head Bolt S e Length Rad. approx. 1 1 / 4 d d d a d f d 30 o 45 o Rad r k Length c BDL 10.9 HV BS EN 14399 Part 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Nominal size and thread diameter d Pitch of thread p Diameter of unthreaded shank d Width across flats s Width across corners e Diameter of washer face df Depth of washer face c Radius under head r Transition diameter da Thickness of head k (coarse pitch series) max. min. max. min. max. min. max. min. max. max. min. max. max. min. M12 1.75 12.70 11.30 22.00 21.16 25.40 23.91 22.00 20.10 0.6 1.60 1.20 15.20 8.45 7.55 M16 2.0 16.70 15.30 27.00 26.16 31.20 29.56 27.00 24.90 0.6 1.60 1.20 19.20 10.75 9.25 M20 2.5 20.84 19.16 32.00 31.00 36.90 35.03 32.00 29.50 0.8 1.80 1.50 24.00 13.90 12.10 M22 2.5 22.84 21.16 36.00 35.00 41.60 39.55 36.00 33.30 0.8 1.80 1.50 26.00 14.90 13.10 M24 3.0 24.84 23.16 41.00 40.00 47.30 45.20 41.00 38.00 0.8 1.80 1.50 28.00 15.90 14.10 M27 3.0 27.84 26.16 46.00 45.00 53.10 50.85 46.00 42.80 0.8 2.50 2.00 32.00 17.90 16.10 M30 3.5 30.84 29.16 50.00 49.00 57.70 55.37 50.00 46.60 0.8 2.50 2.00 35.00 20.05 17.95 M36 4.0 37.00 35.00 60.00 58.80 69.30 66.44 60.00 55.90 0.8 2.50 2.00 41.00 24.05 21.95 Standard Specification: BS EN 14399:2005 Part 4 Material: High Tensile Steel Strenght Grade: 10.9 Screw Thread: 6G of ISO 965/2 Surface Finish: Black, Electro Galvanized, Dacromet Hot Dipped Galvanized, Sherardised BAPP G r o u p o f C o m p a n i e s Specifications for bolts and reference standards Material Steel General Requirements EN 14399-1 Thread Tolerance 6g a International Standards ISO 261, ISO 965-2 Mechanical Properties Property Class 10.9 European Standard EN ISO 898-1 Impact Strength Value KV. min = 27 J at - 20 o C Test Piece b ISO 148 Test EN 10045-1 Tolerances Product Grade C except: dimensions c and r Tolerance for lengths 155mm: International Standards EN ISO 4759-1 Surface Finish Normal as processed c Hot Dip Galvanized EN ISO 10684 d Others To be agreed e Surface Discontinuities Limits to surface discontinuities as specified in EN 26157-1 Acceptability For acceptance procedure, see EN ISO 3269 Bolt/Nut/Washer Assembly System HV General Requirements EN 14299-1 Bolt/Nut Assembly EN 14399-4 Marking HV Property Classes 10.9/10 Washer(s) EN 14399-5 or EN 14399-6 Marking H Suitable test for preloading EN 14399-2 a The tolerance class specified applies before hot-dip galvanizing. Hot-dip galvanized bolts are intended for assembly with oversize tapped nuts. b The location of the V-notch test pieces in the bolt shall be as specified in EN ISO 898-1. c “As processed” means the normal finish resulting from manufacture with a light coating of oil. d Attention is drawn to the need to consider the risk of hydrogen embrittlement in the case of bolts of property class 10.9, when selecting an appropriate surface treatment process (e.g. cleaning and coating), see the relevant coating standards. e Other coatings may be negotiated between the purchaser and the manufacturer provided they do not impair the mechanical properties or the functional characteristics. Coatings of cadmium or cadmium alloys are not permitted. +IT 17 - 1/2 IT 17 S e BG 10.9 HV BS EN 14399 Part 4 Page 4 BAPP G r o u p o f C o m p a n i e s S E d BG 10 HV BS EN 14399 Part 4 1 2 3 4 5 6 7 8 10 11 Nominal size and thread diameter d Pitch of thread p Width across flats s Width across corners e Diameter of washer face dw Thickness of nut m (Coarse pitch series) max. min. max. min. max. min. max. min. M12 1.75 22.00 21.16 25.40 23.91 22.00 20.10 10.00 9.64 M16 2.0 27.00 26.16 31.20 29.56 27.00 24.90 13.00 12.30 M20 2.5 32.00 31.00 36.90 35.03 32.00 29.50 16.00 14.90 M22 2.5 36.00 35.00 41.60 39.55 36.00 33.30 18.00 16.90 M24 3.0 41.00 40.00 47.30 45.20 41.00 38.00 20.00 18.70 M27 3.0 46.00 45.00 53.10 50.85 46.00 42.80 22.00 20.70 M30 3.5 50.00 49.00 57.70 55.37 50.00 46.60 24.00 22.70 M36 4.0 60.00 58.80 69.30 66.44 60.00 55.90 29.00 27.70 Dimensions of Hexagon Nuts Standard Specification: BS EN 14399 Part 4 Material: High Tensile Steel Strenght Grade: 10 Screw Thread: Conforms to Class 6H or 6AZ of ISO 965/2 Coarse Series Surface Finish: Black, Electro Galvanized, Dacromet Hot Dipped Galvanized, Sherardised BAPP G r o u p o f C o m p a n i e s High Strength Preloadable Nut HV System Specifications for nuts and reference standards Material Steel General Requirements EN 14399-1 Thread Tolerance 6H or 6AZ International Standards ISO 261, ISO 965-2, ISO 965-5 Mechanical Properies Property Class 10 European Standard EN 20898-2 Tolerances Product Grade B International Standard EN ISO 4759-1 Surface Finish Normal As processed a Hot Dip Galvanized EN ISO 10684 b Others To be agreed c Surface Discontinuities Limits for surface discontinuities as specified in EN 493 Acceptability For acceptance procedure, see EN ISO 3269 a “As processed” means the normal finish resulting from manufacture with a light coating of oil. b Attention is drawn to the need to consider the risk of hydrogen embrittlement in the case of bolts of property class 10.9, when selecting an appropriate surface treatment process (e.g. cleaning and coating), see the relevant coating standards. c Other coatings may be negotiated between the purchaser and the manufacturer provided they do not impair the mechanical properties or the functional characteristics. Coatings of cadmium or cadmium alloys are not permitted. S BDL 10 HV BS EN 14399 Part 4 Page 5 BAPP G r o u p o f C o m p a n i e s Preloadable Hardened Washer 1 2 3 4 5 6 7 Nominal size and thread diameter d Inside diameter B Outside diameter C Thickness A max. min. max. min. max. min. M12 13.27 13.00 24.00 23.48 3.3 2.7 M16 17.27 17.00 30.00 29.48 4.3 3.7 M20 21.33 21.00 37.00 36.38 4.3 3.7 M22 23.33 23.00 39.00 38.38 4.3 3.7 M24 25.33 25.00 44.00 43.38 4.3 3.7 M27 28.52 28.00 50.00 49.00 5.6 4.4 M30 31.62 31.00 56.00 54.80 5.6 4.4 M36 37.62 37.00 66.00 64.80 6.6 5.4 Dimensions Standard Specification: BS EN 14399 Part 5 Material: Hardenable Steel Material Properties: 300 - 370 HV Surface Finish: Black, Electro Galvanized, Dacromet Hot Dipped Galvanized, Sherardised C B BDL H Preloadable Hardened Washer Standard Specification: BS EN 14399 Part 6 Material: Hardenable Steel Material Properties: 300 - 370 HV Surface Finish: Black, Electro Galvanized, Dacromet Hot Dipped Galvanized, Sherardised 1 2 3 4 5 6 7 Nominal size and thread diameter d Inside diameter B Outside diameter C Thickness A max. min. max. min. max. min. M12 13.27 13.00 24.00 23.48 3.3 2.7 M16 17.27 17.00 30.00 29.48 4.3 3.7 M20 21.33 21.00 37.00 36.38 4.3 3.7 M22 23.33 23.00 39.00 38.38 4.3 3.7 M24 25.33 25.00 44.00 43.38 4.3 3.7 M27 28.52 28.00 50.00 49.00 5.6 4.4 M30 31.62 31.00 56.00 54.80 5.6 4.4 M36 37.62 37.00 66.00 64.80 6.6 5.4 Dimensions Specifications and reference standards Material Steel General Requirements EN 14399-1 Mechanical Properties Hardness range 300 HR to 370 HV Tolerances Product grade A International Standard EN ISO 4759-3 Surface finish Normal as processed a Hot dip galvanized EN ISO 10684 b Others to be agreed c Workmanship Parts shall be uniform and free of irregularities or detrimental defects. No protruding burrs shall appear on the washer. Acceptability For acceptance procedure, see EN ISO 3269 a “As processed” means the normal finish resulting from manufacture with a light coating of oil. b Attention is drawn to the need to consider the risk of hydrogen embrittlement in the case of bolts of property class 10.9, when selecting an appropriate surface treatment process (e.g. cleaning and coating), see the relevant coating standards. c Other coatings may be negotiated between the purchaser and the manufacturer provided they do not impair the mechanical properties or the functional characteristics. Coatings of cadmium or cadmium alloys are not permitted. Bolt/Nut/Washer Assembly System HV General Requirements EN 14299-1 Bolt/Nut Assembly EN 14399-4 Marking HV Property Classes 10.9/10 Washer(s) EN 14399-5 or EN 14399-6 Marking H Suitable test for preloading EN 14399-2 Bolt/Nut/Washer Assembly System HR General Requirements EN 14399-1 Bolt/Nut Assembly EN 14399-3 Marking HR Property Classes 8.8/8 10.9/10 Washer(s) EN 14399-5 or EN 14399-6 Marking H Suitable test for preloading EN 14399-2 C B BG H C B BDL H C B BG H Page 6