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  • ISO 272:1982

    Current The latest, up-to-date edition.

    Fasteners — Hexagon products — Widths across flats

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English, French

    Published date:  01-01-1982

    Publisher:  International Organization for Standardization

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    Abstract - (Show below) - (Hide below)

    Specifies the widths to be used in the respective product standards; it sets out a logical ratio between underhead (or nut) bearing area and the tensile stress area of the screw thread.

    General Product Information - (Show below) - (Hide below)

    Committee ISO/TC 2/SC 7
    Document Type Standard
    Publisher International Organization for Standardization
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    BS EN 20898-6:1992 Mechanical properties of fasteners Nuts with specified proof load values. Fine pitch thread
    13/30290650 DC : 0 BS ISO 2725-2 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - SQUARE DRIVE SOCKETS - PART 2: MACHINE-OPERATED SOCKETS ('IMPACT')
    07/30175139 DC : DRAFT DEC 2007 BS ISO 3318 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - DOUBLE-HEADED OPEN-ENDED WRENCHES, DOUBLE-HEADED BOX WRENCHES AND COMBINATION WRENCHES - MAXIMUM WIDTHS OF HEADS
    16/30327501 DC : 0 BS ISO 1711-2 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - TECHNICAL SPECIFICATIONS - PART 2: MACHINE-OPERATED SOCKETS (IMPACT)
    13/30260404 DC : 0 BS ISO 1711-2 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - TECHNICAL SPECIFICATIONS - PART 2: MACHINE-OPERATED SOCKETS (IMPACT)
    DIN EN 14399-10 E : 2009 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 10: SYSTEM HRC - BOLT AND NUT ASSEMBLIES WITH CALIBRATED PRELOAD
    10/30234616 DC : 0 BS EN 14420-7 - HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS
    13/30277440 DC : 0 BS EN 14399-6 - HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 6: PLAIN CHAMFERED WASHERS
    03/100395 DC : DRAFT APR 2003 EN 175101-809 - DETAIL SPECIFICATION - TWO-PART CONNECTORS FOR PRINTED BOARDS HAVING A GRID OF 2,54 MM, SHORT VERSION IN COMPLIANCE WITH CECC 75 101-801, WITH ASSESSED QUALITY
    CEI EN 60068-2-21 : 2006 ENVIRONMENTAL TESTING - PART 2-21: TESTS - TEST U: ROBUSTNESS OF TERMINATIONS AND INTEGRAL MOUNTING DEVICES
    DIN 41612-6:1990-06 TWO-PART CONNECTORS FOR PRINTED BOARD; GRID 2,54 MM; DIMENSIONS OF TYPES Q, R AND S
    PREN 14399-8 : DRAFT 2015 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 8: SYSTEM HV - HEXAGON FIT BOLT AND NUT ASSEMBLIES
    I.S. EN 13565-1:2004 FIXED FIREFIGHTING SYSTEMS - FOAM SYSTEMS - PART 1: REQUIREMENTS AND TEST METHODS FOR COMPONENTS
    NF EN 13565-1 : 2004 + A1 2008 FIXED FIREFIGHTING SYSTEMS - FOAM SYSTEMS - PART 1: REQUIREMENTS AND TEST METHODS FOR COMPONENTS
    EN 60068-2-21:2006 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices
    DIN EN 14399-2:2015-04 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 2: SUITABILITY FOR PRELOADING
    DIN EN ISO 23553-1:2014-09 Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014); German version EN ISO 23553-1:2014
    BS EN 14399-5 : 2015-02 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 5: PLAIN WASHERS
    ISO 3506-2:2009 Mechanical properties of corrosion-resistant stainless steel fasteners Part 2: Nuts
    BS EN 14420-7:2013 Hose fittings with clamp units Cam locking couplings
    DIN EN 20898-2:1994-02 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH COARSE PITCH THREAD AND SPECIFIED PROOF LOAD VALUES
    EN 60603-13:1998 Connectors for frequencies below 3 MHz for use with printed boards - Part 13: Detail specification for two-part connectors of assessed quality, for printed boards for basic grid of 2,54 mm (0,1 in), with free connectors for non-accessible insulation displacement terminations (ID)
    13/30277434 DC : 0 BS EN 14399-4 - HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 4: SYSTEM HV - HEXAGON BOLT AND NUT ASSEMBLIES
    09/30202316 DC : 0 BS EN 12514-4 - PARTS FOR SUPPLY SYSTEMS FOR CONSUMING UNITS WITH LIQUID FUELS - PART 4: SAFETY REQUIREMENTS AND TESTS - PIPINGS AND PARTS WITHIN PIPELINES
    DIN EN 14399-10:2016-01 (Draft) HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 10: SYSTEM HRC - BOLT AND NUT ASSEMBLIES WITH CALIBRATED PRELOAD
    BS ISO 10103:2001 Assembly tools for screws and nuts. Double-headed, flat and offset, box wrenches. Length of wrenches and thickness of the heads
    11/30237817 DC : 0 BS ISO 7076-2 - FIRE PROTECTION - FOAM FIRE EXTINGUISHING SYSTEMS - PART 2: LOW EXPANSION FOAM EQUIPMENT
    11/30237814 DC : 0 BS ISO 7076-1 - FIRE PROTECTION - FOAM FIRE EXTINGUISHING SYSTEMS - PART 1: FOAM PROPORTIONING EQUIPMENT
    15/30332548 DC : 0 BS EN 14399-8 - HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 8: SYSTEM HV - HEXAGON FIT BOLT AND NUT ASSEMBLIES
    BS EN 13565-1 : 2003 FIXED FIREFIGHTING SYSTEMS - FOAM SYSTEMS - PART 1: REQUIREMENTS AND TEST METHODS FOR COMPONENTS
    07/30166055 DC : 0 BS EN 14399-10 - HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 10: SYSTEM HRC - BOLT AND NUT ASSEMBLIES WITH CALIBRATED PRELOAD
    DIN 475-3:1987-01 SIZE PAIRING OF DOUBLE ENDED WRENCHES
    02/711588 DC : DRAFT OCT 2002 SCREWDRIVERS FOR CROSS-RECESSED HEAD SCREWS - PART 2: GENERAL REQUIREMENTS, LENGTHS OF BLADES AND MARKING OF HAND OPERATED SCREWS
    UNI ISO 8764-2 : 2008 ASSEMBLY TOOLS FOR SCREWS AND NUTS - SCREWDRIVERS FOR CROSS-RECESSED HEAD SCREWS - PART 2: GENERAL REQUIREMENTS, LENGTHS OF BLADES AND MARKING OF HAND-OPERATED SCREWDRIVERS
    PREN 14399-5 : DRAFT 2013 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 5: PLAIN WASHERS
    I.S. EN 14399-10:2009 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 10: SYSTEM HRC - BOLT AND NUT ASSEMBLIES WITH CALIBRATED PRELOAD
    UNE-EN 14399-4:2016 High-strength structural bolting assemblies for preloading - Part 4: System HV - Hexagon bolt and nut assemblies
    DIN ISO 1085:2007-04 ASSEMBLY TOOLS FOR SCREWS AND NUTS - DOUBLE-ENDED WRENCHES - SIZE PAIRING
    I.S. EN 60603-2:1998 CONNECTORS FOR FREQUENCIES BELOW 3 MHZ FOR USE WITH PRINTED BOARDS - PART 2: DETAIL SPECIFICATION FOR TWO-PART CONNECTORS WITH ASSESSED QUALITY, FOR PRINTED BOARDS, FOR BASIC GRID OF 2,54 MM (0,1 IN) WITH COMMON MOUNTING FEATURES
    UNE-EN 14399-6:2016 High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers
    ISO 4229:2017 Assembly tools for screws and nuts — Single-head engineer's wrenches for lower torque applications — Maximum outside dimensions of heads and test torques
    BS ISO 1711-2:2016 Assembly tools for screws and nuts. Technical specifications Machine-operated sockets (impact)
    PREN 14399-10 : DRAFT 2015 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 10: SYSTEM HRC - BOLT AND NUT ASSEMBLIES WITH CALIBRATED PRELOAD
    UNI EN 14399-10 : 2009 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 10: SYSTEM HRC - BOLT AND NUT ASSEMBLIES WITH CALIBRATED PRELOAD
    ISO 8992:2005 Fasteners — General requirements for bolts, screws, studs and nuts
    EN 13565-1:2003+A1:2007 Fixed firefighting systems - Foam systems - Part 1: Requirements and test methods for components
    EN 14399-10:2018 High-strength structural bolting assemblies for preloading - Part 10: System HRC - Bolt and nut assemblies with calibrated preload
    BS EN ISO 3506-2:2009 Mechanical properties of corrosion-resistant stainless steel fasteners Nuts
    IEC 60068-2-21:2006 Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices
    BS EN ISO 898-6:1996 Mechanical properties of fasteners Nuts with specified proof load values. Fine pitch thread
    I.S. EN 14399-3:2015 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 3: SYSTEM HR - HEXAGON BOLT AND NUT ASSEMBLIES
    I.S. EN 14399-4:2015 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 4: SYSTEM HV - HEXAGON BOLT AND NUT ASSEMBLIES
    I.S. EN 13774:2013 VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE REQUIREMENTS
    I.S. EN 14399-6:2015 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 6: PLAIN CHAMFERED WASHERS
    DIN EN 14420-7:2013-09 Hose fittings with clamp units - Part 7: Cam locking couplings
    I.S. EN 14399-5:2015 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 5: PLAIN WASHERS
    DIN 974-2:1991-05 DIAMETERS OF COUNTERBORES (HOLES) FOR HEXAGON BOLTS AND NUTS
    DIN EN 14399-3:2015-04 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 3: SYSTEM HR - HEXAGON BOLT AND NUT ASSEMBLIES
    I.S. EN 14399-2:2015 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 2: SUITABILITY FOR PRELOADING
    I.S. EN 14420-7:2013 HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS
    BS 192:1982 Specification for open-ended wrenches
    ONORM EN 14420-7 : 2013 HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS
    BS 6333:1995 Specification for adjustable wrenches
    BS 3555:1988 Specification for ring wrenches
    ISO 10103:2018 Assembly tools for screws and nuts — Doubled-headed box wrenches, flat and offset — Outside dimensions and test torques
    13/30277437 DC : 0 BS EN 14399-5 - HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 5: PLAIN WASHERS
    BS ISO 1085:2016 Assembly tools for screws and nuts. Double-ended wrenches. Size pairing
    BS ISO 2725-2:2017 Assembly tools for screws and nuts. Square drive sockets Machine-operated sockets (\'impact\')
    SAE J 2551/1 : 2013 RECOMMENDED PRACTICES FOR FLUID CONDUCTOR CARBON, ALLOY AND HIGH STRENGTH LOW ALLOY STEEL TUBING APPLICATIONS - PART 1: DESIGN AND FABRICATION
    13/30277431 DC : 0 BS EN 14399-3 - HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 3: SYSTEM HR - HEXAGON BOLT AND NUT ASSEMBLIES
    16/30341197 DC : 0 BS EN 13565-1 - FIXED FIREFIGHTING SYSTEMS - FOAM SYSTEMS - PART 1: REQUIREMENTS AND TEST METHODS FOR COMPONENTS
    BS EN 60603-2:1998 Connectors for frequencies below 3 MHz for use with printed boards Detail specification for two-part connectors with assessed quality, for printed boards, for basic grid of 2,54 mm (0,1 in) with common mounting features
    BS ISO 2725-3:2017 Assembly tools for screws and nuts. Square drive sockets Machine-operated sockets (\'non-impact\')
    I.S. EN ISO 898-6:1996 MECHANICAL PROPERTIES OF FASTENERS - PART 6: NUTS WITH SPECIFIED PROOF LOAD VALUES - FINE PITCH THREAD
    13/30260389 DC : 0 BS ISO 1711-1 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - TECHNICAL SPECIFICATIONS - PART 1: HAND-OPERATED WRENCHES AND SOCKETS
    BS 4006:1987 Specification for hand-operated square drive socket wrenches and accessories
    DIN ISO 8992:2005-09 Fasteners - General requirements for bolts, screws, studs and nuts (ISO 8992:2005)
    SAE J 2551/3 : 2013 RECOMMENDED PRACTICES FOR FLUID CONDUCTOR CARBON, ALLOY AND HIGH STRENGTH LOW ALLOY STEEL TUBING APPLICATIONS - PART 3: PROCUREMENT
    DIN ISO 1711-1:2007-05 Assembly tools for screws and nuts - Technical specifications - Part 1: Hand-operated wrenches and sockets (ISO 1711-1:2007)
    15/30332551 DC : 0 BS EN 14399-10 - HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 10: SYSTEM HRC - BOLT AND NUT ASSEMBLIES WITH CALIBRATED PRELOAD
    BS ISO 2725-1:2017 Assembly tools for screws and nuts. Square drive sockets Hand-operated sockets
    16/30327548 DC : DRAFT APR 2016 BS ISO 2725-2 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - SQUARE DRIVE SOCKETS - PART 2: MACHINE-OPERATED SOCKETS ('IMPACT')
    BS EN 60603-13:1998 Connectors for frequencies below 3 MHz for use with printed boards Detail specification for two-part connectors of assessed quality, for printed boards for basic grid of 2,54 mm (0,1 in) with free connectors for non-accessible insulation displacement terminations (ID)
    PREN 14399-3 : DRAFT 2013 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 3: SYSTEM HR - HEXAGON BOLT AND NUT ASSEMBLIES
    PREN 14399-6 : DRAFT 2013 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 6: PLAIN CHAMFERED WASHERS
    BS ISO 1711-1:2016 Assembly tools for screws and nuts. Technical specifications Hand-operated wrenches and sockets
    ISO 16030:2001 Pneumatic fluid power — Connections — Ports and stud ends
    UNI 5739 : 1988 HEXAGON HEAD SCREWS - ISO METRIC COARSE PITCH THREAD - PRODUCT GRADE A AND B
    ISO 2725-2:2017 Assembly tools for screws and nuts — Square drive sockets — Part 2: Machine-operated sockets ("impact")
    DIN EN 13565-1:2016-08 (Draft) FIXED FIREFIGHTING SYSTEMS - FOAM SYSTEMS - PART 1: REQUIREMENTS AND TEST METHODS FOR COMPONENTS
    ISO 1711-1:2016 Assembly tools for screws and nuts Technical specifications Part 1: Hand-operated wrenches and sockets
    EN 175101-809:2004/corrigendum Jun. 2005 DETAIL SPECIFICATION: TWO-PART CONNECTORS FOR PRINTED BOARDS HAVING A GRID OF 2,54 MM, SHORT VERSION IN COMPLIANCE WITH CECC 75 101-801, WITH ASSESSED QUALITY
    UNE-EN 14420-7:2014 Hose fittings with clamp units - Part 7: Cam locking couplings
    UNE-EN ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014)
    UNI EN ISO 3506-2 : 2010 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS-STEEL FASTENERS - PART 2: NUTS
    ONORM EN ISO 3506-2 : 2010 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS STEEL FASTENERS - PART 2: NUTS
    ONORM EN ISO 23553-1 : 2014 SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES (ISO 23553-1:2014)
    UNI EN 13774 : 2013 VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE REQUIREMENTS
    UNI EN ISO 23553-1 : 2014 SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES
    UNI EN 14420-7 : 2013 HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS
    ISO 2725-3:2017 Assembly tools for screws and nuts — Square drive sockets — Part 3: Machine-operated sockets ("non-impact")
    UNI 5727 : 1988 HEXAGON HEAD BOLTS - ISO METRIC COARSE PITCH THREAD - PRODUCT GRADE C
    UNI ISO 4229 : 2011 ASSEMBLY TOOLS FOR SCREWS AND NUTS - SINGLE-HEAD ENGINEER'S WRENCHES FOR LOWER TORQUE APPLICATIONS - MAXIMUM OUTSIDE DIMENSIONS OF HEADS AND TEST TORQUES
    DIN ISO 1711-1 E : 2007 ASSEMBLY TOOLS FOR SCREWS AND NUTS - TECHNICAL SPECIFICATIONS - PART 1: HAND-OPERATED WRENCHES AND SOCKETS
    DIN ISO 16030:2007-05 PNEUMATIC FLUID POWER - CONNECTIONS - PORTS AND STUD ENDS
    BS ISO 4229:2017 Assembly tools for screws and nuts. Single-head engineer\'s wrenches for lower torque applications. Maximum outside dimensions of heads and test torques
    14/30290647 DC : 0 BS ISO 2725-1 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - SQUARE DRIVE SOCKETS - PART 1: HAND-OPERATED SOCKETS
    PREN 13565-1 : DRAFT 2016 FIXED FIREFIGHTING SYSTEMS - FOAM SYSTEMS - PART 1: REQUIREMENTS AND TEST METHODS FOR COMPONENTS
    PREN 14420-7 : DRAFT 2010 HOSE FITTINGS WITH CLAMP UNITS - PART 7: CAM LOCKING COUPLINGS
    DIN 2079:1987-08 7/24 TAPERS FOR SPINDLE NOSES FOR MACHINE TOOLS
    UNI ISO 2380-2 : 2008 ASSEMBLY TOOLS FOR SCREWS AND NUTS - SCREWDRIVERS FOR SLOTTED-HEAD SCREWS - PART 2: GENERAL REQUIREMENTS, LENGTHS OF BLADES AND MARKING OF HAND-OPERATED SCREWDRIVERS
    DIN ISO 2380-2:2006-01 ASSEMBLY TOOLS FOR SCREWS AND NUTS - SCREWDRIVERS FOR SLOTTED-HEAD SCREWS - PART 2: GENERAL REQUIREMENTS, LENGTHS OF BLADES AND MARKING OF HAND-OPERATED SCREWDRIVERS
    ISO 3318:2016 Assembly tools for screws and nuts — Open-ended wrenches, box wrenches and combination wrenches — Maximum widths of heads
    SAE J 2593 : 2015 INFORMATION REPORT FOR THE INSTALLATION OF FLUID CONDUCTORS AND CONNECTORS
    I.S. EN ISO 23553-1:2014 SAFETY AND CONTROL DEVICES FOR OIL BURNERS AND OIL-BURNING APPLIANCES - PARTICULAR REQUIREMENTS - PART 1: AUTOMATIC AND SEMI-AUTOMATIC VALVES (ISO 23553-1:2014)
    UNE-EN 14399-5:2016 High-strength structural bolting assemblies for preloading - Part 5: Plain washers
    BS EN 14399-10:2009 High-strength structural bolting assemblies for preloading System HRC. Bolt and nut assemblies with calibrated preload
    ISO 1085:2016 Assembly tools for screws and nuts — Double-ended wrenches — Size pairing
    ISO 2725-1:2017 Assembly tools for screws and nuts — Square drive sockets — Part 1: Hand-operated sockets
    ISO 1711-2:2016 Assembly tools for screws and nuts Technical specifications Part 2: Machine-operated sockets (impact)
    ISO 8764-2:2004 Assembly tools for screws and nuts — Screwdrivers for cross-recessed head screws — Part 2: General requirements, lengths of blades and marking of hand-operated screwdrivers
    DIN EN 13774:2013-05 VALVES FOR GAS DISTRIBUTION SYSTEMS WITH MAXIMUM OPERATING PRESSURE LESS THAN OR EQUAL TO 16 BAR - PERFORMANCE REQUIREMENTS
    BS EN 14399-6:2005 High-strength structural bolting assemblies for preloading Plain chamfered washers
    BS EN 14399-3:2015 High-strength structural bolting assemblies for preloading System HR. Hexagon bolt and nut assemblies
    BS EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar. Performance requirements
    UNE-EN ISO 3506-2:2010 Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)
    BS EN 20898-2:1994 Mechanical properties of fasteners Nuts with specified proof load values. Coarse thread
    BS EN ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances. Particular requirements Automatic and semi-automatic valves
    I.S. EN ISO 3506-2:2009 MECHANICAL PROPERTIES OF CORROSION-RESISTANT STAINLESS STEEL FASTENERS - PART 2: NUTS
    UNE-EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements
    ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances Particular requirements Part 1: Automatic and semi-automatic valves
    ISO 691:2005 Assembly tools for screws and nuts Wrench and socket openings Tolerances for general use
    ISO 898-6:1994 Mechanical properties of fasteners Part 6: Nuts with specified proof load values Fine pitch thread
    IEC 60603-13:1995 Connectors for frequencies below 3 MHz for use with printed boards - Part 13: Detail specification for two-part connectors of assessed quality, for printed boards for basic grid of 2,54 mm (0,1 in), with free connectors for non-accessible insulation displacement terminations (ID)
    BS EN 14399-4:2005 High-strength structural bolting assemblies for preloading System HV. Hexagon bolt and nut assemblies
    EN ISO 3506-2:2009 Mechanical properties of corrosion-resistant stainless steel fasteners - Part 2: Nuts (ISO 3506-2:2009)
    EN 20898-6 : 1992 MECHANICAL PROPERTIES OF FASTENERS - NUTS WITH SPECIFIED PROOF LOAD VALUES - FINE PITCH THREAD
    EN 14399-2:2015 High-strength structural bolting assemblies for preloading - Part 2: Suitability for preloading
    EN 13774:2013 Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar - Performance requirements
    EN 20898-2 : 1993 MECHANICAL PROPERTIES OF FASTENERS - PART 2: NUTS WITH SPECIFIED PROOF LOAD VALUES - COARSE THREAD (ISO 898-2:1992)
    EN 14420-7:2013 Hose fittings with clamp units - Part 7: Cam locking couplings
    EN 14399-5:2015 High-strength structural bolting assemblies for preloading - Part 5: Plain washers
    EN ISO 23553-1:2014 Safety and control devices for oil burners and oil-burning appliances - Particular requirements - Part 1: Automatic and semi-automatic valves (ISO 23553-1:2014)
    EN 14399-4:2015 High-strength structural bolting assemblies for preloading - Part 4: System HV - Hexagon bolt and nut assemblies
    EN 14399-3:2015 High-strength structural bolting assemblies for preloading - Part 3: System HR - Hexagon bolt and nut assemblies
    EN ISO 898-6 : 1995 MECHANICAL PROPERTIES OF FASTENERS - PART 6: NUTS WITH SPECIFIED PROOF LOAD VALUES - FINE PITCH THREAD
    EN 14399-6:2015 High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers
    IS 1367 : Part 1 : 2014 TECHNICAL SUPPLY CONDITIONS FOR THREADED STEEL FASTENERS PART 1 GENERAL REQUIREMENTS FOR BOLTS, SCREWS, STUDS AND NUTS
    SAE MA 4535 : 2013 WRENCHES, BOX AND OPEN END COMBINATION TWELVE POINT, HIGH STRENGTH, THIN WALL, METRIC
    BS ISO 16030:2001 Pneumatic fluid power. Connections. Ports and stud ends
    SAE J 2551/2 : 2013 RECOMMENDED PRACTICES FOR FLUID CONDUCTOR CARBON, ALLOY AND HIGH STRENGTH LOW ALLOY STEEL TUBING APPLICATIONS - PART 2: GENERAL SPECIFICATIONS AND PERFORMANCE REQUIREMENTS
    BS 1139-2.1:1991 Metal scaffolding. Couplers Specification for steel couplers, loose spigots and base-plates for use in working scaffolds and falsework made of steel tubes
    16/30327545 DC : DRAFT APR 2016 BS ISO 2725-1 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - SQUARE DRIVE SOCKETS - PART 1: HAND-OPERATED SOCKETS
    15/30332545 DC : 0 BS EN 14399-7 - HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 7: SYSTEM HR - COUNTERSUNK HEAD BOLT AND NUT ASSEMBLIES
    08/30177006 DC : DRAFT JAN 2008 BS ISO 4229 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - SINGLE-HEAD ENGINEER'S WRENCHES FOR LOWER TORQUE APPLICATIONS - MAXIMUM OUTSIDE DIMENSIONS OF HEADS AND TEST TORQUES
    PREN 14399-4 : DRAFT 2013 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 4: SYSTEM HV - HEXAGON BOLT AND NUT ASSEMBLIES
    16/30327498 DC : 0 BS ISO 1711-1 - ASSEMBLY TOOLS FOR SCREWS AND NUTS - TECHNICAL SPECIFICATIONS - PART 1: HAND-OPERATED WRENCHES AND SOCKETS
    SAE J 2551 : 2013 RECOMMENDED PRACTICES FOR FLUID CONDUCTOR CARBON AND ALLOY STEEL TUBING APPLICATIONS
    BS ISO 3318:2016 Assembly tools for screws and nuts. Open-ended wrenches, box wrenches and combination wrenches. Maximum widths of heads
    DIN ISO 691:2007-04 Assembly tools for screws and nuts - Wrench and socket openings - Tolerances for general use (ISO 691:2005)
    BS 5983-5:1982 Metric spherical plain bearings Specification for dimensions and tolerances of spherical plain bearing rod ends, dimension series E and JK
    BS EN 175101-809:2004 Harmonized system of quality assessment for electronic components. Detail specification Two-part connectors for printed boards having a grid of 2,54 mm, short version in compliance with CECC 75 101-801, with assessed quality
    DIN 3016-2:2000-06 FASTENING CLAMPS - PART 2: WITH FASTENING LUGS
    BS 4320:1968 Specification for metal washers for general engineering purposes. Metric series
    BS ISO 8992:2005 Fasteners. General requirements for bolts, screws, studs and nuts
    UNE-EN 14399-3:2016 High-strength structural bolting assemblies for preloading - Part 3: System HR - Hexagon bolt and nut assemblies
    ISO 2380-2:2004 Assembly tools for screws and nuts — Screwdrivers for slotted-head screws — Part 2: General requirements, lengths of blades and marking of hand-operated screwdrivers
    DIN ISO 8764-2:2006-01 ASSEMBLY TOOLS FOR SCREWS AND NUTS - SCREWDRIVERS FOR CROSS-RECESSED HEAD SCREWS - PART 2: GENERAL REQUIREMENTS, LENGTHS OF BLADES AND MARKING OF HAND-OPERATED SCREWDRIVERS
    ISO 7076-2:2012 Fire protection - Foam fire extinguishing systems — Part 2: Low expansion foam equipment
    ISO 7076-3:2016 Fire protection Foam fire extinguishing systems Part 3: Medium expansion foam equipment
    PREN 14399-7 : DRAFT 2015 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 7: SYSTEM HR - COUNTERSUNK HEAD BOLT AND NUT ASSEMBLIES
    UNE-EN 14399-2:2016 High-strength structural bolting assemblies for preloading - Part 2: Suitability for preloading
    I.S. 231:1979 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - GENERAL REQUIREMENTS
    BS EN 60068-2-21:2006 Environmental testing Tests. Test U: Robustness of terminations and integral mounting devices
    I.S. EN 60068-2-21:2006 ENVIRONMENTAL TESTING - PART 2-21: TESTS - TEST U: ROBUSTNESS OF TERMINATIONS AND INTEGRAL MOUNTING DEVICES
    UNI 5737 : 1988 HEXAGON HEAD BOLTS - ISO METRIC COARSE PITCH THREAD - PRODUCT GRADE A AND B
    ISO 7076-4:2016 Fire protection Foam fire extinguishing systems Part 4: High expansion foam equipment
    I.S. EN 175101-809:2004 DETAIL SPECIFICATION - TWO-PART CONNECTORS FOR PRINTED BOARDS HAVING A GRID OF 2.54 MM, SHORT VERSION IN COMPLIANCE WITH CECC 75101-801, WITH ASSESSED QUALITY
    DIN EN 14399-5:2015-04 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 5: PLAIN WASHERS
    DIN EN 14399-4:2015-04 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 4: SYSTEM HV - HEXAGON BOLT AND NUT ASSEMBLIES
    DIN EN 14399-6:2015-04 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 6: PLAIN CHAMFERED WASHERS
    BS EN 14399-2 : 2015-02 HIGH-STRENGTH STRUCTURAL BOLTING ASSEMBLIES FOR PRELOADING - PART 2: SUITABILITY FOR PRELOADING
    IEC 60603-2:1995 Connectors for frequencies below 3 MHz for use with printed boards - Part 2: Detail specification for two-part connectors with assessed quality, for printed boards, for basic grid of 2,54 mm (0,1 in) with common mounting features
    EN 60603-2:1998/A1:2005 CONNECTORS FOR FREQUENCIES BELOW 3 MHZ FOR USE WITH PRINTED BOARDS - PART 2: DETAIL SPECIFICATION FOR TWO-PART CONNECTORS WITH ASSESSED QUALITY, FOR PRINTED BOARDS, FOR BASIC GRID OF 2,54 MM (0,1 IN) WITH COMMON MOUNTING FEATURES
    DIN EN ISO 898-6:1996-02 MECHANICAL PROPERTIES OF FASTENERS - PART 6: NUTS WITH SPECIFIED PROOF LOAD VALUES - FINE PITCH THREAD
    DIN HDBK 193 E : 3ED 2011 FASTENERS 5 - BASIC STANDARDS
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