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Technical data for High strength bolting assemblies for preloading- part 3 - system HR hexagon bolt and nut assemblies
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This product is regulated by the following standards:
Standard DIN EN 14399 3
Equivalent standards
UNI EN 14399 3
NF EN 14399 3
BS EN 14399 3
In Europe there are two solutions to achieve the necessary ductility of bolt/nut/washer assemblies: system HR and HV. Both systems are well proved, however it is important to avoid mixing up the components of both systems. For this reason the systems are standardized in one single part and the marking of the components of the same system is uniform (Table 1). Preloaded bolted assemblies are very sensitive to differencies in manufacture and lubrification; it is important that the assembly is supplied by one manufacturer who is always responsible for the function of the assembly and the coating. It is necessary the CE marking on packages/boxes and/or the accompanying commercial documents. In addition to individual components suitability, the norm also supplies a procedure how to achieve the right preload for the assembly functionality.
Bolts - dimensions in mm - source DIN 14399-3
Publication date: 04/2015
d thread size
P
b l<=125
b l>125 <=200
b l>200
k max .
k min
ds min÷max
e min.
s nom/max
s min
r
M 12
1.75
30
-
-
7.95
7.05
11.3÷12.7
23.91
22
21.16
1.2
M 14
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 36
Nuts - dimensions in mm - source DIN 14399-3
Publication date: 04/2015
d thread size
Pitch
dw min
s nom
e min
m max
m min
c max
M 12
1.75
20.1
22
23.91
10.8
10.37
0.8
M 14
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 36
Table 1 - Systems of bolt/nut/washer assemblies
Bolt/nut/washer assembly System HR - Garniture aus Schrauben/Muttern und Scheiben System HR - Assieme bullone/dado/rondella sistema HR
Bolt/nut/washer assembly System HV - Garniture aus Schrauben/Muttern und Scheiben System HV - Assieme bullone/dado/rondella sistema HV
General requirements Allgemeine Anforderungen Requisiti generali
EN 14399-1
Bolt/nut assembly - Garnitur aus Schraube und Mutter - assieme bullone/dado
EN 14399-3
EN 14399-4
Marking - Kennzeichnung - Marcatura
Property classes - Festigekeitklasse - Classi di resistenza
Washers - Scheiben - Rondelle
Marking - Kennzeichnung - Marcatura
Suitability test for preloading - Eignungsprüfung für das Vorspannen - Prova di idoneità all'impiego
Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH,Burggrafenstraße 6, 10787 Berlin, Germany. WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.
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High strength bolting assemblies for preloading- part 3 - system HR hexagon bolt and nut assemblies
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Suppliers of High strength bolting assemblies for preloading- part 3 - system HR hexagon bolt and nut assemblies
In Europe there are two solutions to achieve the... INFORMATION RESTRICTED TO THE REGISTERED USERS: LOG IN | ACTIVATE NOW YOUR FREE ACCOUNT, COSTLESS
This product is regulated by the following standards:
DIN EN 14399 3 (Equivalent standards: UNI EN 14399 3, NF EN 14399 3, BS EN 14399 3)
Distribution and production of standard and special fasteners.
Studs and bolts in steel 8.8-B7-L7-B8-Duplex-carbon steel.
Nuts and bolts from diameter 2 to 100. Wide product range on stock in steel, HDG, brass and stainless steel A2 and A4.
INDIA
BRK INDUSTRIES
We are manufacturer of bolts and nutssince 1980, with over 50 years of experience in the fastener industry. Thanks to our experience, quality and service offered, we have made a mark on the field.
CERTIFICATIONS: ISO 9001-2000
ITALY
Commercial DADO S.p.A.
Distributor of fasteners and tools. 9 warehouses (for a total capacity of 60000 pallet places) are located in northern Italy, working with the industry and retail.
Kanban, consignment stock, vending machines are the services we provide.
CERTIFICATIONS: ISO 9001:2015
POLAND
Eurobolt
Polish products acc. norm DIN / ISO and drawings
Diameter: M6 to M100 (especially bigger diameter)
Materials: 5.6 / 8.8 / 10.9 / 12.9 / 25CrMo4 / 42CrMo4
Treatment: ZN / HDG (tZn) / flZnnc
EN 15048 SB sets "CE" Made in Poland
EN 14399 HV sets "CE" Made in Poland
CERTIFICATIONS: ISO 9001:2015
TURKEY
Kaleliler Civata San. Ve Tic. A.Ş.
Producer of bolts hot forged, threaded bars, threaded studs and U-studs
Wholesaler of hexagon bolts, screws, nuts, washers and many other fastener items
CERTIFICATIONS: ISO 14001-2004 | ISO 9001:2008
BULGARIA
Kraft - Bulgaria Ltd.
Kraft Bulgaria EOOD is a leading BG company specialized in the trade of fasteners, industrial supplies, industrial armature for water, industrial, fire-frightening systems and irrigation sectors.
Our success is due to the high quality of the offered products, the professionalism and qualification of our team, as well as our flexible distribution network.
CERTIFICATIONS: ISO 9001:2015
CANADA
PPIL - Process Products
Manufacturer of fasteners for critical applications
TURKEY
SA-RA Fasteners
Manufacturer of high tensile fasteners, fasteners for constructions and automotive fasteners.
Sizes from M5 to M52 and lengths up to 500mm
CERTIFICATIONS: ISO/TS 16949-2009
NETHERLANDS
Stafa
Specialists in hot dip galvanized fasteners
Stafa is a leading European importer of fasteners and fixings with a huge range of more than 75,000 products.
Private label packaging, assembled sets and kits, direct manufacturer to customer for large volumes, retail store concepts, special parts and complete project deliveries.
ITALY
FASTENERS ENGINEERING SRL
Fasteners Engineering is a global organization, leader in the sale of mechanical fasteners, intended for industrial applications with a high engineering content.
Design advice, help in choosing the right technology and assistance in reviewing an existing design for cost efficiency and quality, we are the solution for you.