Before the 1970s there were many metric fastener standards in use. On european level, din standards committee aerospace is also involved in the work of centc 436 project committee cabin air quality on civil aircraft chemical agents and internationally in isotc 20 aircraft and space vehicles and its subcommittees. These fastener standards allow hardware product manufacturers, as well as the endusers of such products, to examine and assess. Hexagon nut din 6923 m 12 8 the din 4000 2 7 tabular layout of article characteristics shall apply for nuts complying with this standard. American fastener technologies corporation is pleased to present you with these useful standards and guidelines for nuts, bolts, and other fasteners.
If a standard no longer reflects the current state of technology, it is either revised or withdrawn. Din 960 is the specification for partially threaded fine thread metric hex cap. Items are available in both inch and metric sizes according to american. Fasteners 5, basic standards din pdf, epub, doc free. Din and standard parts 119 93 hexagon headtapping screws din 7976 ph pan headtapping screws din 7981 ph counter.
Great britain and canada established the current system for standard inch dimension threads. Defines the general requirements for standardized bolts, screws, studs and nuts, but is also recommended for these nonstandardized fasteners. See din 962 or the standards referred to therein for special nut types or finishes. This handbook gathers together more than 150 international standards relating to fasteners and screw threads. For example din 931 is for partially threaded coarse thread metric hex cap screws. Fastenerdata fastener standard description lists 29. For specific product information and nonstandardized fasteners. The nylon filling is machine threaded and acts as a lock to ensure. Din 7980 dimensions, specifications, equivalent standards, weights, pdf. Nl din standards committee aerospace din standards.
Fastener standard online search, din, ifi, jis, iso standard, please enter the standard number or product name. In our eshop you can therefore buy german standards only in german or english language. Just because of historical purchases, many users of metric fasteners still call for din fasteners. Metric thread specification is given through iso standards. All the information provided on this website is provided on an as is and as commonly used in production basis and you agree that you use such information entirely at your own risk. Standards for terminology, nomenclature and other general reference standards. Din 7985 cross recessed raised cheese head screws dimensions, specifications, standard, weights, equivalent and download pdf. Asme standard bolts, screws, nuts, washers, studs and other fasteners in metric and imperial sizes.
Iso 8981 was prepared by technical committee isotc 2, fasteners, subcommittee sc 1, mechanical properties of fasteners. Mudge fasteners carries a range of metric screws, bolts, nuts, washers and more. Consult the database with technical specifications of the products and comparison among din, iso, uni, afnor, en norms. Fastener standards british bs, german din, american ansi and iso international. Most german standards, whether they are national standards din, international standards iso, electrical standards iec or standards for the automotive industry vda exists in english translation. Din 555 hexagon nuts, production class c dimensions, specifications, standard, weights, equivalent and download pdf.
Title din standard din din en iso din en din iso comparable iso standard date of current standard modified title of replacement standard. W metric din 7 parallel dowel pins aspen fasteners. With ubiquitous usage in many fields of industry, fasteners come. General survey of successor din iso standards predecessor iso din standards 31 2 carts t. Din standards continue to be used for parts which do not have iso equivalents. A whole series of the listed din standards have now been re placed by the deutschen institut fur normung with iso standards. For example, metric hex cap screws are generally manufactured to one of the three standards. Standardization of dimensions, tolerances, mechanical and functional properties, test methods and acceptance procedures of fasteners. Din handbook fasteners readdownload ends of parts with external metric iso thread iso 47551983 fasteners thread iso standards handbook. Sundram fasteners limited fasteners division fd product catalogue for standard fasteners. The iso equivalent for din 7 parallel dowel pins is iso 2338. The din standards are commonly used in germany, europe and globally even though the transition to iso standards is gradually taking place. Din 6923 5 designation designation of an m 12 hexagon nut with flange, assigned to property class 8. Din flanges summary chart rated pressure in bar 1 bar 14.
The usage of these nuts makes sure that the structural damage to the body is minimum despite repeated assembly and disassembly. An alphanumerical designation to indicate the standard grade of tolerance and allowance specified for a thread. This european standard shall be given the status of a national standard. Din 931 din 933 fullythreaded iso 4014 iso 4017 fullythreaded ansiasme b18. Technical delivery conditions and basic standards 30 29. Din 80705 thin nuts with fine pitch thread and with small widths across flats. For more information on these and other guidelines, please phone us at 18004669780. Class 1a and 1b classes 1a and 1b are very loosely toleranced, there. Din standards in german and english language european standards. Standards for terminology, nomenclature and other general reference standards, such as those for technical drawings for screw threads and threaded parts are included in volume 1. All technical information is of a general nature, is mainly based on the german din, the european en and the international iso standards and is of importance for the construction, calculation and testing of bolted joints. Din deutsches institut fur normung german institute for standardization standards are issued for a variety of components including industrial fasteners as metric din 933 hexagon head cap screws bolts. Sundram fasteners limited fasteners division fd c o n t e n t s sl no. This is an incomplete list of din standards the status column gives the latest known status of the standard.
For the first time, the new din allows researchers, test engineers and clients worldwide to conduct fastener vibration tests that genuinely compare like with like. B k l e f 186 neck iran technic trading 1 d e f k b m6 16 6 4. This also gives greater confidence to engineers specifying components, because the testing standards of critical fasteners are so much tougher than under din. Standards are developed with full consensus, that is, they are developed by experts with the aim of arriving at a common standpoint, taking the state of the art into consideration. Head tapping screws din 7983 hex head self tapping screws din 7504 k, m, o wing screws ph coarse thread selftapping screws hexheadtappingscrews withwasher pan headtapping screws din. Din 7980 dimensions, specifications, standard, weights. Sae j1648 aug1996 protective coatings for fasteners sae j1701 mar1999 torquetension tightening for inch series fasteners sae j1701m jul1996 torquetension tightening for metric series fasteners sae j2486 may1999 tension indicating washer tightening method for fasteners 2. Boltport manufacturers asme standard fasteners in full range of material grades and. Our flagship being that we remain 100% new zealand owned and operated and continue to pride. With ubiquitous usage in many fields of industry, fasteners come in a similarly wide variety, differing even within the range of a single design in everything from size to material, coating, inspection criteria, etc. Din 555 dimensions, specifications, standard, weights.
Nylon insert lock nuts din, iso standards ita fasteners. Din handbook 10 fasteners 1 dimensional standards for bolts, screws and studs national standards din handbook 55 fasteners 3 standards for technical delivery conditions for bolts, screws, nuts din handbook 140 fasteners 4 basic and dimensional standards for nuts din handbook 193 fasteners 5 basic standards. Standard fasteners special fasteners selftapping fasteners fasteners. Din 7980 spring lock washer for cylinder head screws dimensions, specifications, standard, weights, equivalent and download pdf. The directives in the international iso standards, as well as the european en standards, also standardize fasteners. Mechanical properties of fasteners made of carbon steel. The din standards remain common in germany, europe and globally even though the transition to iso standards is taking place. Metric thread specifications always begin with thread series designation for example m or mj, followed by the fasteners nominal diameter and thread pitch both in units of millimeters separated by the symbol x. The german din standard is the dominant standard on the planet for metric fastener products and world manufacturers continue to make to the standard. Metric threads are defined in the standards document iso 9651. The term fastener covers all types of products designed to mechanically connect two or more structural parts to form a solid or movable joint or to contribute essentially.
Din 25201 important new standard for testing fasteners. Din formally withdrew most of its fastener standards in april of 2001 when issuing din 918. Nylock nuts from ita fasteners have a nylon filled center which prevents the components from loosening. This is mostly used to protect objects close to the ends of screws from. The din standards remain common in germany, europe and globally even though the transition to iso standards. Din standard for fastener mechanical engineering general. Metric fasteners din, jis, iso from mudge fasteners. The specification used to produce the corresponding inch series fastener.
Din 7980 dimensions, specifications, equivalent standards. Metric din 933 hexagon head cap screws bolts full thread. These fasteners are used to mechanically join or affix other hardware objects together, and come in many forms which include rivets, nuts, bolts, studs, screws, washers, eyebolts, nails, and threaded fasteners. If a standard has been withdrawn and no replacement specification is listed.
This standard announces the withdrawal and indicates the iso standards that should be used to replace the withdrawn din standards. All the information provided on this website is provided on an as is and as commonly used in production basis and you agree that you use such information entirely at your own. Din 3570 dimensions, specifications, standard, weights. List of dimension standards for din fasteners including bolts, screws, nuts, studs, washers, pins, keys etc. This fourth edition cancels and replaces the third edition iso 8981. Din 7985 dimensions, specifications, equivalent standards. There are large numbers of fastener products with no standards. Changing some of the national din standards to en or iso standards will remove trading obstacles in international goods flows as well as harmonizing technical rules. This standard is included in din handbook 55 e and 140 e. Iso 898 consists of the following parts, under the general title mechanical properties of fasteners.
Din 982 prevailing torque nuts with nonmetalic insert dimensions, specifications. Fastener standards address the dimensions, testing, and use of screws, bolts, nuts, rivets, flanges, studs, and so forth. To find the fastener standard you need, select the iso standard iso 4014, iso 4017, iso 4035, iso 4762. General survey of successor din iso standards predecessor iso din standards 31 2 carts t certanty.
You would think that with all these standards that iso would have been able to put them all together an produce a single world standard, this is not the case and you can still buy product that conforms to the old obsolete british standard. A webbased app to find fastener measurements easily for bolted joint design. Technical delivery conditions for fasteners metric thread rolling screws of property class 10. Fastener dimension guide for bolted joints calculation. Din 3570 ubolts dimensions, specifications, standard, weights, equivalent and download pdf. A list of organizations represented on this committee can be. Basic standards core holes for tapping screws and bolts with tapping screw thread din 7970 guidelines for application the essential characteristic of tapping screw thread is its capability of forming chipless internal thread in the core hole of the material being joined. If, in special cases, nuts are to comply with specifications other than those given in this standard e. Din 982 dimensions, specifications, standard, weights. The nylon filling is machine threaded and acts as a lock to ensure that the fastening is secure. We have grown dramatically since the eighties with nine branches nationwide. Hexagon dome nuts din 1587 standards ita fasteners. Germany withdraws din standards in 2001 to adopt iso fastener standards. If a standard has been withdrawn and no replacement specification is listed, either the specification was withdrawn without replacement or a replacement specification could not be identified.
Hex dome nuts or acorn nuts got their names due to the domeshaped projection on one side of the nut. This is the unified thread series and consists of specifications for unified coarse unc unified fine unf and unified extra fine unef threads. Din en iso 4753 governs thread ends for bolts assembled with. Din 960 is the specification for partially threaded fine thread metric hex cap screws. Industrial fasteners institute ifi iso fastener standards. The growing adoption of iso fastener standards has resulted in most industrialized countries withdrawing their countryspecific standards and formally adopting the iso standards as their metric fastener system. Dimensional comparison of hexagon nuts according to din and iso standards. Exle german din din standard free pdf and and pdf din nents according to din din handbook 193. This is mostly used to protect objects close to the ends of screws from scratches and structural injuries. Thirty years on, this vision is still paramount, a service that delivers a range of fasteners on time, every time. Critical applications and special fasteners, however sometimes require extra security and a document on material tests certificate is required. The following table is provided for guidance only as there are often dimensional variations between standards. Din standard specifications for bolts, nuts, screws, fasteners, springs and anchors.
1443 767 278 836 267 694 824 895 1474 1392 1411 1351 811 838 763 572 1036 353 1447 55 313 408 360 1424 792 867 45 351 1172 448 1160 767