The Comparison of Fastener Structural Element Standards is a comprehensive evaluation that includes standards from prominent organizations such as ISO, GB, EN, DIN, and JIS. These standards play a crucial role in defining the structural elements of fasteners, ensuring consistency and interoperability in the global industry. By examining and contrasting these standards, manufacturers and engineers can gain insights into the specifications related to external and internal threading, hexagonal product dimensions, screwdriver slot types, countersinking details, and various other critical aspects. This comparative analysis aids in promoting standardization, quality assurance, and compatibility across different fastener types, contributing to the overall efficiency and reliability of fastening systems worldwide.
Type: Ends of parts with external thread
ISO: ISO 4753:1999
GB: GB/T 2-2016
EN: EN ISO 4753
DIN: DIN EN ISO 4753
JIS: JIS B 1003-2003(Confirmation in the year 2008)
Type: Run-outs，undercuts and chamfers forgeneral purpose metric screw threads
ISO: ISO 3508/ISO 4753
GB: GB/T 3-1997
EN: -
DIN: DIN 76-1:2004
JIS: JIS B 106-1985(Confirmation in the year 2005)
Type: Widths across flats of hexagon products
ISO: ISO 272:1982
GB: GB/T 3104-1982
EN: DIN ISO 1660
DIN: DIN ISO 1660:1988
JIS: JIS B 1002-1985(Confirmation in the year 2005)
Type: Radii under the head
ISO: ISO 885:2005
GB: GB/T 3105-2002
EN: -
DIN: DIN ISO 885:2001
JIS: JIS B 1005-2003(Confirmation in the year 2008)
Type: Bolts nominal lengths and thread lengths
ISO: ISO 888:2012
GB: GB/T 3106-2016
EN: -
DIN: -
JIS: JIS B 1009-1991(Confirmation in the year 2005)
Type: Split pin holes and wireholes
ISO: ISO 7378:1983
GB: GB/T 5278-1985
EN: -
DIN: DIN 34803:2001
JIS: JIS B 1008-1988(Confirmation in the year 2003)
Type: Countersunk head screws--Head configuration and gauging
ISO: ISO 7721:1983
GB: GB/T 5279-1985
EN: EN 27721
DIN: DIN EN 27721
JIS: JIS B 1013-1994(Confirmation in the year 2005)
Type: Cross recesses for screws
ISO: ISO 4757:1983
GB: GB/T 944.1-1985
EN: EN ISO 4757
DIN: DIN EN ISO 4757
JIS: JIS B 1012-1985(Confirmation in the year 2005)
Type: Countersunk flat head screws penetration depth of cross recesses
ISO: ISO 7721-2:1990
GB: GB/T 5279.2-1997
EN: EN ISO 7721-2
DIN: DIN EN ISO 7721-2
JIS: JIS B 1014-1994(Confirmation in the year 2005)
Type: Hexalobular internal driving feature for bolts and screws
ISO: ISO 10664:2014
GB: GB/T 6188-2008
EN: EN ISO 10664
DIN: DIN EN ISO 10664
JIS: JIS B 1015-2008
Type: Tapping screws thread
ISO: ISO 1478:1999
GB: GB/T 5280-2002
EN: -
DIN: -
JIS: JIS B 1007-2003(Confirmation in the year 2008)
Type: Clearance holes for bolts and screws
ISO: ISO 273:1979
GB: GB/T 5277-1985
EN: -
DIN: -
JIS: JIS B 1001-1985(Confirmation in the year 2005)
Type: Fasteners--Countersinks for countersunk head screws
ISO: ISO 15065:2005
GB: GB/T 152.2-2014
EN: -
DIN: -
JIS: -
Type: Fasteners--Countersinks for countersunk head wood screws
ISO: -
GB: GB/T 152.5-2014
EN: -
DIN: -
JIS: -
Type: Plain washers for bolts，screws and nuts--General plan
ISO: ISO 887:2000
GB: GB/T 5286-2001
EN: -
DIN: -
JIS: -
Type: Rivet shank diameters
ISO: ISO 1051:1999
GB: GB/T 18194-2000
EN: -
DIN: -
JIS: -