ISO 7721:1983
Current
Current
The latest, up-to-date edition.
Countersunk head screws — Head configuration and gauging
Available format(s)
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
Language(s)
English, French
Published date
01-09-1983
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Specifies the characteristics of products with thread sizes from M 1,6 up to and including M 20; it recommends a gauging method for the dimensions laid down in the respective product standards; the annex contains the calculation basis
| Committee |
ISO/TC 2/SC 11
|
| DevelopmentNote |
Also numbered as BS EN 27721 (10/2005)
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| JIS B 1013:1994 | Identical |
| NF EN 27721 : 1992 | Identical |
| BIS IS 11362 : 1985(R2001) | Identical |
| EN 27721:1991 | Identical |
| NEN ISO 7721 : 1992 | Identical |
| I.S. EN 27721:1992 | Identical |
| NBN EN 27721 : 1992 | Identical |
| UNE-EN 27721:1992 | Identical |
| PN 93/M-82251 : 1993 | Identical |
| NS ISO 7721 : 1ED 1992 | Identical |
| PN EN 27721 : 2014 | Identical |
| DIN EN 27721:1992-02 | Corresponds |
| BS EN ISO 14582:2013 | Fasteners. Hexalobular socket countersunk head screws, high head |
| DIN ISO 1483:1990-08 | SLOTTED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS (COMMON HEAD STYLE) |
| DIN ISO 7051:1990-08 | CROSS RECESSED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| I.S. EN ISO 14581:2013 | FASTENERS - HEXALOBULAR SOCKET COUNTERSUNK FLAT HEAD SCREWS (ISO 14581:2013) |
| UNE-EN ISO 7050:2011 | Cross-recessed countersunk (flat) head tapping screws (ISO 7050:2011) |
| BS EN ISO 15482:1999 | Cross recessed countersunk head drilling screws with tapping screw thread |
| BS EN ISO 1482:2011 | Slotted countersunk (flat) head tapping screws |
| I.S. EN ISO 1482:2011 | SLOTTED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS |
| I.S. EN ISO 2010:2011 | SLOTTED RAISED COUNTERSUNK HEAD SCREWS - PRODUCT GRADE A (ISO 2010:2011) |
| ONORM EN ISO 14581 : 2013 | FASTENERS - HEXALOBULAR SOCKET COUNTERSUNK FLAT HEAD SCREWS (ISO 14581:2013) |
| DIN EN ISO 14581:2014-02 | Fasteners - Hexalobular socket countersunk flat head screws (ISO 14581:2013) |
| 09/30208230 DC : 0 | BS ISO 1483 - SLOTTED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| DIN ISO 7050:1990-08 | CROSS RECESSED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS (COMMON HEAD STYLE) |
| PREN ISO 1482 : DRAFT 2009 | SLOTTED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS |
| DIN EN ISO 7051:2011-11 | Cross-recessed raised countersunk (oval) head tapping screws (ISO 7051:2011) |
| UNI EN ISO 14582 : 2014 | FASTENERS - HEXALOBULAR SOCKET COUNTERSUNK HEAD SCREWS, HIGH HEAD |
| DIN EN ISO 1483:2011-10 | Slotted raised countersunk (oval) head tapping screws (ISO 1483:2011) |
| ISO 8992:2005 | Fasteners — General requirements for bolts, screws, studs and nuts |
| DIN EN ISO 14586:2011-05 | Hexalobular socket countersunk head tapping screws (ISO 14586:2011) |
| DIN EN ISO 14587:2011-05 | Hexalobular socket raised countersunk (oval) head tapping screws (ISO 14587:2011) |
| UNE-EN ISO 14586:2011 | Hexalobular socket countersunk head tapping screws (ISO 14586:2011) |
| UNE-EN ISO 14584:2011 | Hexalobular socket raised countersunk head screws (ISO 14584:2011) |
| BS EN ISO 7051:2011 | Cross-recessed raised countersunk (oval) head tapping screws |
| UNE-EN ISO 7046-1:2012 | Countersunk flat head screws (common head style) with type H or type Z cross recess - Product grade A - Part 1: Steel of property class 4.8 (ISO 7046-1:2011) |
| UNE-EN ISO 2010:2012 | Slotted raised countersunk head screws - Product grade A (ISO 2010:2011) |
| BS EN ISO 7047:2011 | Raised countersunk head screws (common head style) with type H or type Z cross recess. Product grade A |
| I.S. EN ISO 1483:2011 | SLOTTED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| DIN EN ISO 7046-2:2011-12 | Countersunk flat head screws (common head style) with type H or type Z cross recess - Product grade A - Part 2: Steel screws of property class 8.8, stainless steel screws and non-ferrous metal screws (ISO 7046-2:2011) |
| DIN 74:2003-04 | COUNTERSINKS FOR COUNTERSUNK HEAD SCREWS EXCEPT COUNTERSUNK HEAD SCREWS (EXCEPT SCREWS WITH DIN EN 27721 HEAD) |
| I.S. EN ISO 14587:2011 | HEXALOBULAR SOCKET RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| I.S. EN ISO 7047:2011 | RAISED COUNTERSUNK HEAD SCREWS (COMMON HEAD STYLE) WITH TYPE H OR TYPE Z CROSS RECESS - PRODUCT GRADE A (ISO 7047:2011) |
| I.S. EN ISO 7046-2:2011 | COUNTERSUNK FLAT HEAD SCREWS (COMMON HEAD STYLE) WITH TYPE H OR TYPE Z CROSS RECESS - PRODUCT GRADE A - PART 2: STEEL SCREWS OF PROPERTY CLASS 8.8, STAINLESS STEEL SCREWS AND NON-FERROUS METAL SCREWS (ISO 7046-2:2011) |
| I.S. EN ISO 7051:2011 | CROSS-RECESSED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| DIN EN ISO 7046-1:2011-12 | Countersunk flat head screws (common head style) with type H or type Z cross recess - Product grade A - Part 1: Steel screws of property class 4.8 (ISO 7046-1:2011) |
| I.S. EN ISO 14584:2011 | HEXALOBULAR SOCKET RAISED COUNTERSUNK HEAD SCREWS |
| I.S. EN ISO 7050:2011 | CROSS-RECESSED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS |
| I.S. EN ISO 2009:2011 | SLOTTED COUNTERSUNK FLAT HEAD SCREWS - PRODUCT GRADE A (ISO 2009:2011) |
| I.S. EN ISO 14586:2011 | HEXALOBULAR SOCKET COUNTERSUNK HEAD TAPPING SCREWS |
| I.S. EN ISO 7046-1:2011 | COUNTERSUNK FLAT HEAD SCREWS (COMMON HEAD STYLE) WITH TYPE H OR TYPE Z CROSS RECESS - PRODUCT GRADE A - PART 1: STEEL OF PROPERTY CLASS 4.8 (ISO 7046-1:2011) |
| BS 7496-3:1991 | Cross-recessed tapping screws Specification for raised countersunk head screws |
| DIN ISO 8992:2005-09 | Fasteners - General requirements for bolts, screws, studs and nuts (ISO 8992:2005) |
| 09/30208242 DC : 0 | BS ISO 7050 - CROSS RECESSED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS |
| ISO 13584-511:2006 | Industrial automation systems and integration — Parts library — Part 511: Mechanical systems and components for general use — Reference dictionary for fasteners |
| DIN EN ISO 7047:2011-12 | Raised countersunk head screws (common head style) with type H or type Z cross recess - Product grade A (ISO 7047:2011) |
| UNE-EN ISO 1483:2011 | Slotted raised countersunk (oval) head tapping screws (ISO 1483:2011) |
| BS EN ISO 1483:2011 | Slotted raised countersunk (oval) head tapping screws |
| BS EN ISO 7721-2:1995 | Countersunk flat head screws Penetration depth of cross recesses |
| UNE-EN ISO 1482:2011 | Slotted countersunk (flat) head tapping screws (ISO 1482:2011) |
| UNE-EN ISO 2009:2012 | Slotted countersunk flat head screws - Product grade A (ISO 2009:2011) |
| EN ISO 4759-1:2000 | Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts - Product grades A, B and C (ISO 4759-1:2000) |
| EN ISO 14586:2011 | Hexalobular socket countersunk head tapping screws (ISO 14586:2011) |
| UNI EN ISO 7051 : 2012 | CROSS-RECESSED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| UNI EN ISO 1483 : 2012 | SLOTTED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| UNI EN ISO 1482 : 2012 | SLOTTED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS |
| UNI EN ISO 2009 : 2012 | SLOTTED COUNTERSUNK FLAT HEAD SCREWS - PRODUCT GRADE A |
| UNI EN ISO 7050 : 2012 | CROSS-RECESSED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS |
| UNI EN ISO 2010 : 2012 | SLOTTED RAISED COUNTERSUNK HEAD SCREWS - PRODUCT GRADE A |
| UNI EN ISO 14587 : 2011 | HEXALOBULAR SOCKET RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| UNI EN ISO 7047 : 2012 | RAISED COUNTERSUNK HEAD SCREWS (COMMON HEAD STYLE) WITH TYPE H OR TYPE Z CROSS RECESS - PRODUCT GRADE A |
| UNI EN ISO 7046-2 : 2012 | COUNTERSUNK FLAT HEAD SCREWS (COMMON HEAD STYLE) WITH TYPE H OR TYPE Z CROSS RECESS - PRODUCT GRADE A - PART 2: STEEL SCREWS OF PROPERTY CLASS 8.8, STAINLESS STEEL SCREWS AND NON-FERROUS METAL SCREWS |
| UNI EN ISO 7046-1 : 2012 | COUNTERSUNK FLAT HEAD SCREWS (COMMON HEAD STYLE) WITH TYPE H OR TYPE Z CROSS RECESS - PRODUCT GRADE A - PART 1: STEEL OF PROPERTY CLASS 4.8 |
| UNI EN ISO 14586 : 2011 | HEXALOBULAR SOCKET COUNTERSUNK HEAD TAPPING SCREWS |
| UNI EN ISO 14584 : 2011 | HEXALOBULAR SOCKET RAISED COUNTERSUNK HEAD SCREWS |
| DIN EN ISO 7050:2011-11 | Cross-recessed countersunk (flat) head tapping screws (ISO 7050:2011) |
| UNI EN ISO 14581 : 2014 | FASTENERS - HEXALOBULAR SOCKET COUNTERSUNK FLAT HEAD SCREWS |
| 03/308658 DC : DRAFT MAY 2003 | EN ISO 15065 - COUNTERSINKS FOR COUNTERSUNK HEAD SCREWS WITH HEAD CONFIGURATION IN ACCORDANCE WITH ISO 7721 |
| PREN ISO 7050 : DRAFT 2009 | CROSS RECESSED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS |
| PREN ISO 7051 : DRAFT 2009 | CROSS RECESSED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| UNE-EN ISO 14581:2016 | Fasteners - Hexalobular socket countersunk flat head screws (ISO 14581:2013) |
| DIN EN ISO 2010:2011-12 | Slotted raised countersunk head screws - Product grade A (ISO 2010:2011) |
| DIN EN ISO 14584:2011-06 | Hexalobular socket raised countersunk head screws (ISO 14584:2011) |
| DIN EN ISO 2009:2011-12 | Slotted countersunk flat head screws - Product grade A (ISO 2009:2011) |
| ISO 1483:2011 | Slotted raised countersunk (oval) head tapping screws |
| ISO 15483:1999 | Cross recessed raised countersunk head drilling screws with tapping screw thread |
| UNE-EN ISO 7047:2012 | Raised countersunk head screws (common head style) with type H or type Z cross recess - Product grade A (ISO 7047:2011) |
| BS EN ISO 15483:1999 | Cross recessed raised countersunk head drilling screws with tapping screw thread |
| BS EN ISO 14584:2011 | Hexalobular socket raised countersunk head screws |
| ISO 14582:2013 | Fasteners — Hexalobular socket countersunk head screws, high head |
| BS EN ISO 7046-2:2011 | Countersunk flat head screws (common head style) with type H or type Z cross recess. Product grade A Steel screws of property class 8.8, stainless steel screws and non-ferrous metal screws |
| BS EN ISO 15065:2005 | Countersinks for countersunk head screws with head configuration in accordance with ISO 7721 |
| BS EN ISO 7050:2011 | Cross-recessed countersunk (flat) head tapping screws |
| BS EN ISO 14586:2011 | Hexalobular socket countersunk head tapping screws |
| ISO 14586:2011 | Hexalobular socket countersunk head tapping screws |
| UNE-EN ISO 7046-2:2012 | Countersunk flat head screws (common head style) with type H or type Z cross recess - Product grade A - Part 2: Steel screws of property class 8.8, stainless steel screws and non-ferrous metal screws (ISO 7046-2:2011) |
| ISO 14587:2011 | Hexalobular socket raised countersunk (oval) head tapping screws |
| ISO 7051:2011 | Cross-recessed raised countersunk (oval) head tapping screws |
| UNE-EN ISO 7051:2011 | Cross-recessed raised countersunk (oval) head tapping screws (ISO 7051:2011) |
| ISO 2009:2011 | Slotted countersunk flat head screws Product grade A |
| ISO 7046-1:2011 | Countersunk flat head screws (common head style) with type H or type Z cross recess Product grade A Part 1: Steel screws of property class 4.8 |
| BS EN ISO 14587:2011 | Hexalobular socket raised countersunk (oval) head tapping screws |
| ISO 14581:2013 | Fasteners — Hexalobular socket countersunk flat head screws |
| ISO 1482:2011 | Slotted countersunk (flat) head tapping screws |
| ISO 7046-2:2011 | Countersunk flat head screws (common head style) with type H or type Z cross recess Product grade A Part 2: Steel screws of property class 8.8, stainless steel screws and non-ferrous metal screws |
| ISO 7050:2011 | Cross-recessed countersunk (flat) head tapping screws |
| ISO 7047:2011 | Raised countersunk head screws (common head style) with type H or type Z cross recess Product grade A |
| ISO 4759-1:2000 | Tolerances for fasteners — Part 1: Bolts, screws, studs and nuts — Product grades A, B and C |
| EN ISO 14584:2011 | Hexalobular socket raised countersunk head screws (ISO 14584:2011) |
| EN ISO 15482:1999 | Cross recessed countersunk head drilling screws with tapping screw thread (ISO 15482:1999) |
| EN ISO 15483:1999 | Cross recessed raised countersunk head drilling screws with tapping screw thread (ISO 15483:1999) |
| EN ISO 7046-1:2011 | Countersunk flat head screws (common head style) with type H or type Z cross recess - Product grade A - Part 1: Steel screws of property class 4.8 (ISO 7046-1:2011) |
| EN ISO 1482:2011 | Slotted countersunk (flat) head tapping screws (ISO 1482:2011) |
| EN ISO 14582:2013 | Fasteners - Hexalobular socket countersunk head screws, high head (ISO 14582:2013) |
| EN ISO 7721-2:1994 | Countersunk flat head screws - Part 2: Penetration depth of cross recesses (ISO 7721-2:1990) |
| EN ISO 7046-2:2011 | Countersunk flat head screws (common head style) with type H or type Z cross recess - Product grade A - Part 2: Steel screws of property class 8.8, stainless steel screws and non-ferrous metal screws (ISO 7046-2:2011) |
| EN ISO 7047:2011 | Raised countersunk head screws (common head style) with type H or type Z cross recess - Product grade A (ISO 7047:2011) |
| EN ISO 2010:2011 | Slotted raised countersunk head screws - Product grade A (ISO 2010:2011) |
| EN ISO 15065:2005 | Countersinks for countersunk head screws with head configuration in accordance with ISO 7721 (ISO 15065:2005) |
| EN ISO 14581:2013 | Fasteners - Hexalobular socket countersunk flat head screws (ISO 14581:2013) |
| EN ISO 1483:2011 | Slotted raised countersunk (oval) head tapping screws (ISO 1483:2011) |
| EN ISO 7051:2011 | Cross-recessed raised countersunk (oval) head tapping screws (ISO 7051:2011) |
| EN ISO 14587:2011 | Hexalobular socket raised countersunk (oval) head tapping screws (ISO 14587:2011) |
| EN ISO 2009:2011 | Slotted countersunk flat head screws - Product grade A (ISO 2009:2011) |
| EN ISO 7050:2011 | Cross-recessed countersunk (flat) head tapping screws (ISO 7050:2011) |
| IS 1367 : Part 1 : 2014 | TECHNICAL SUPPLY CONDITIONS FOR THREADED STEEL FASTENERS PART 1 GENERAL REQUIREMENTS FOR BOLTS, SCREWS, STUDS AND NUTS<br> |
| DIN EN ISO 14582:2014-02 | FASTENERS - HEXALOBULAR SOCKET COUNTERSUNK HEAD SCREWS, HIGH HEAD (ISO 14582:2013) |
| DIN EN ISO 1482:2011-10 | Slotted countersunk (flat) head tapping screws (ISO 1482:2011) |
| BS EN ISO 14581:2013 | Fasteners. Hexalobular socket countersunk flat head screws |
| 09/30208227 DC : 0 | BS ISO 1482 - SLOTTED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS |
| 09/30208245 DC : 0 | BS ISO 7051 - CROSS RECESSED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| DIN ISO 1482:1990-08 | SLOTTED COUNTERSUNK (FLAT) HEAD TAPPING SCREWS (COMMON HEAD STYLE) |
| BS ISO 8992:2005 | Fasteners. General requirements for bolts, screws, studs and nuts |
| 05/30127446 DC : DRAFT JAN 2005 | ISO 13584-511 - INDUSTRIAL AUTOMATION SYSTEMS AND INTEGRATION - PARTS LIBRARY - PART 511: MECHANICAL SYSTEMS AND COMPONENTS FOR GENERAL USE - REFERENCE DICTIONARY FOR FASTENERS |
| PREN ISO 1483 : DRAFT 2009 | SLOTTED RAISED COUNTERSUNK (OVAL) HEAD TAPPING SCREWS |
| I.S. EN ISO 14582:2013 | FASTENERS - HEXALOBULAR SOCKET COUNTERSUNK HEAD SCREWS, HIGH HEAD (ISO 14582:2013) |
| BS EN ISO 4759-1:2001 | Tolerances for fasteners Bolts, screws, studs and nuts. Product grades A, B and C |
| ISO 15065:2005 | Countersinks for countersunk head screws with head configuration in accordance with ISO 7721 |
| ISO 14584:2011 | Hexalobular socket raised countersunk head screws |
| ISO 2010:2011 | Slotted raised countersunk head screws Product grade A |
| BS EN ISO 7046-1:2011 | Countersunk flat head screws (common head style) with type H or type Z cross recess. Product grade A Steel of property class 4.8 |
| BS EN ISO 2009:2011 | Slotted countersunk flat head screws. Product grade A |
| UNE-EN ISO 14587:2011 | Hexalobular socket raised countersunk (oval) head tapping screws (ISO 14587:2011) |
| BS EN ISO 2010:2011 | Slotted raised countersunk head screws. Product grade A |
| ISO 15482:1999 | Cross recessed countersunk head drilling screws with tapping screw thread |
| ISO 7721-2:1990 | Countersunk flat head screws — Part 2: Penetration depth of cross recesses |
| DIN EN ISO 15065:2005-05 | Countersinks for countersunk head screws with head configuration in accordance with ISO 7721 (ISO 15065:2005) |
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