DIN / ISO / EN Standards Crossover Chart
Nov 2025

DIN / ISO / EN Standards Crossover Chart

Title DIN Standard DIN DIN EN ISO DIN EN DIN ISO Comparable ISO Standard Date of current standard/modified Title of replacement standard Comment
All-metal prevailing torque type hexagon nuts 980 7042 27042 7042 1998-02 Metal lock nuts, style 2 – Grades 5–12 Nut height and width revised to ISO 272
All-metal prevailing torque type hexagon nuts 980 10513 30513 10513 1998-02 Metal lock nuts, style 2, fine thread – Grades 8–12 Dimensions updated per ISO 272
Countersunk (flat) head tapping screws with cross recess 7982 7050 7050 1990-08
Cross-recessed countersunk screws
Head and countersink geometry changed
Drilling screws with tapping screw thread – Mechanical and functional properties 7504 10666 10666 2000-02 Drilling screws – Mechanical/functional specs Split into EN ISO 10666, 15480–15483; some types removed
Hexagon Bolts without Hexagon Nut – with Hexagon Nut, Type g 601 4016 24016 4016 4016 2001-03 Hex bolts – Grade C Range and sizes updated to ISO 272
Hexagon bolts, Metric fine thread, Types m and mg 960 8765 28765 8765 8765 2001-03 Hex thin nuts, fine thread – Grades A/B Range extended; width per ISO 272
Hexagon flange bolts 6921 1665 8102 1998-11 Flange bolts, heavy series Some sizes changed; 12.9 class removed
Hexagon head bolts with shank; M 1,6 to M 39 screw threads, Product grades A and B 931-1 4014 24014 4014 4014 2001-03 Hex bolts – Grades A/B Range extended; ISO 272 sizes included
Hexagon head screws – Product grades A and B 933 4017 24017 4017 4017 2001-03 Hex screws – Grades A/B Nominal range extended; ISO 272 sizes
Hexagon nuts with flange 6923 1661 4161 1998-02 Flange nuts Fine threads removed; M10 width changed
Hexagon nuts; Metric Thread, Type g 555 4034 24034 4034 4034 2001-03 Hexagon nuts – Product grade C Width across flats according to DIN ISO 272 included; nominal diameter reduced
Hexagon nuts; Metric screw threads; Product grades A and B 934 4032 24032 4032 4032 2001-03 Hexagon nuts, style 1 – Product grades A and B Nominal diameter changed, height of the nut changed partially; nuts with fine thread specified in DIN EN ISO 8673; width across flats according to DIN ISO 272 included
Hexagon nuts; Metric screw threads; Product grades A and B 934 8673 28673 8673 2001-03 Hexagon nuts, style 1, with metric fine pitch thread – Product grades A and B Nominal diameter changed, height of the nut changed partially; nuts with regular type screw thread specified in DIN EN ISO 4032; width across flats according to DIN ISO 272 included
Hexagon screws, Thread Approximately to Head, Metric Thread, Type g 558 4018 24018 4018 4018 2001-03 Hexagon head screws – Product grade C Nominal size extended; width across flats according to DIN ISO 272 included
Hexagon socket countersunk head screws 7991 10642 10462 2004-06 Hexagon socket countersunk head screws
Hexagon socket head cap screws 912 4762 4762 2004-06 Hexagon socket head cap screws Nominal size range changed; fine thread deleted (ISO 21269)
Hexagon socket set screws with cone point 914 4027 4027 2004-05 Hexagon socket set screws with cone point Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted
Hexagon socket set screws with cup point 916 4029 4029 2004-05 Hexagon socket set screws with cup point
Hexagon socket set screws with dog point 915 4028 4028 2004-05 Hexagon socket set screws with dog point Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted
Hexagon socket set screws with flat point 913 4026 4026 2004-05 Hexagon socket set screws with flat point Nominal sizes M1.4, M1.8, M14, M18 and M22 omitted
Hexagon thin nuts with M 1,6 to M 10 threads 439-1 4036 24036 4036 4036 2001-02 Hexagon thin nuts (unchamfered) – Product grade B Correlation of dimensions with DIN 439-1, except for the width across flat of the nut M10
Hexagon thin nuts with M 1,6 to M 52 and M 8×1 to M 52×3 threads 439-2 4035 24035 4035 2001-03 Hexagon thin nuts (unchamfered) – Product grades A and B In tables 1 and 2 abbreviations changed and some specifications (thread dimensions) changed
Hexagon thin nuts with M 1,6 to M 52 and M 8×1 to M 52×3 threads 439-2 4035 24035 4035 4035 2001-03 Hexagon thin nuts (unchamfered) – Product grades A and B Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; fine thread see ISO 8675
Hexagon thin nuts with M 1,6 to M 52 and M 8×1 to M 52×3 threads 439-2 8675 28675 8675 2001-03 Hexagon thin nuts (unchamfered) with metric fine pitch thread – Product grades A and B Standard divided by regular type screw threads and fine threads; width across flats according to ISO 272 changed; nominal size range changed; regular type screw thread see ISO 4035
Hexagon washers head drilling screws with tapping screw thread 7504 15480 15480 2000-02 Hexagon washers head drilling screws with tapping screw thread Standard divided into five single standards (EN ISO 10666, 15480, 15481, 15482, 15483); thread ST 3.9 omitted; hexagon head with collar and slot (Form L) omitted
High-strength hexagon head bolts with large widths across flats for structural steel bolting 6914 14399-4 7412 2006-06 High-strength structural bolting assemblies for preloading – Part 4: System HV – Hexagon bolt and nut assemblies
High-strength hexagon nuts with large widths across flats for structural steel bolting 6915 14399-4 2006-06 High-strength structural bolting assemblies for preloading – Part 4: System HV – Hexagon bolt and nut assemblies
M 8×1 to M 100×4 hexagon head bolts with fine pitch thread 961 8676 28676 8676 8676 2001-03 Hexagon head screws with metric fine pitch thread – Product grades A and B Nominal size extended; width across flats according to DIN ISO 272 included
Mushroom head square neck bolts 603 8677 1981-10
Plain washers – Extra large series, product grade C 440 7094 7094 2000-12 Plain washers – Extra large series, product grade C Nominal sizes changed, nominal size 24 size "a" redefined to the maximum, square-end hole Form R omitted; (standard DIN 440 still valid)
Plain washers for clevis pins; product grade A 1440 28738 8738 1992-10 Plain washers for clevis pins; product grade A Nominal sizes changed
Prevailing torque type – All-metal hexagon nuts with flange 6927 1664 7044 1998-02 Prevailing torque type – All-metal hexagon nuts with flange Width across flat M10 changed
Prevailing torque type all-metal hexagon nuts 6925 7042 27042 7042 1998-02 Prevailing torque type (all-metal hexagon nuts), style 2 – Property classes 5, 8, 10 and 12 Height of nut changed; width across flat according to ISO 272 included
Prevailing torque type all-metal hexagon nuts 6925 10513 30513 10513 1998-02 Prevailing torque type all-metal hexagon nuts, style 2, with metric fine pitch thread – Property classes 8, 10 and 12 Height of nut changed; width across flat according to ISO 272 included
Prevailing torque type hexagon nuts with flange (with non-metallic insert), with metric fine pitch thread 6926 1666 12125 1998-02 Prevailing torque type hexagon nuts with flange (with non-metallic insert), with metric fine pitch thread Width across flat M10 changed
Prevailing torque type hexagon nuts with non-metallic insert 982 7040 27040 7040 1998-02 Prevailing torque type hexagon nuts (with non-metallic insert), style 1 – Property classes 5, 8 and 10 Height of nut changed; width across flat according to ISO 272 included
Prevailing torque type hexagon nuts with non-metallic insert 982 10512 30512 10512 1998-02 Prevailing torque type hexagon nuts (with non-metallic insert), style 1, with metric fine pitch thread – Property classes 6, 8 and 10 Height of nut changed; width across flat according to ISO 272 included
Prevailing torque type hexagon nuts with non-metallic insert 6924 7040 27040 7040 1998-02 Prevailing torque type hexagon nuts (with non-metallic insert), style 1 – Property classes 5, 8 and 10 Height of nut changed; width across flat according to ISO 272 included
Prevailing torque type hexagon nuts with non-metallic insert 6924 10512 30512 10512 1998-02 Prevailing torque type hexagon nuts (with non-metallic insert), style 1, with metric fine pitch thread – Property classes 6, 8 and 10 Height of nut changed; width across flat according to ISO 272 included
Prevailing torque type hexagon thin nuts with non-metallic insert 985 10511 10511 1998-02 Prevailing torque type hexagon, thin nuts (with non-metallic insert) Height of nut changed; width across flat according to ISO 272 included
Product grade A washers with a hardness from 300 HV, designed for use with hexagon head bolts and nuts 125-2 7089 7089 2000-11 Plain washers – Normal series, Product grade A Without chamfer, up to nominal diameter 64
Product grade A washers with a hardness from 300 HV, designed for use with hexagon head bolts and nuts 125-2 7090 7090 1990-03 Plain washers, chamfered – Normal series, Product grade A Without chamfer, up to nominal diameter 64
Product grade A washers with a hardness up to 250 HV, designed for use with cheese head screws 433-1 7092 7092 2000-11 Plain washers – Small series, Product grade A Pyramid diamond hardness 140 HV cancelled; rating changed
Product grade A washers with a hardness up to 250 HV, designed for use with hexagon head bolts and nuts 125-1 7089 7089 2000-11 Plain washers – Normal series, Product grade A Without chamfer, up to nominal diameter 64
Product grade A washers with a hardness up to 250 HV, designed for use with hexagon head bolts and nuts 125-1 7090 7090 1990-03 Plain washers, chamfered – Normal series, Product grade A Without chamfer, up to nominal diameter 64
Product grade A washers with a hardness up to 300 HV, designed for use with cheese head screws 433-2 7092 7092 2000-11 Plain washers – Small series, Product grade A Nominal sizes changed
Product grade C washers, designed for use with hexagon head bolts and nuts 126 7091 7091 2000-11 Plain washers – Normal series, Product grade C Nominal sizes changed
Thread rolling screws for ISO metric thread – Part 1: Technical specifications for case hardened and tempered screws 7500-1 7085 2009-06 Thread rolling screws for ISO-metric thread Normative revision, values for case-hardening depth and hole size revised, torque values reduced
Washers for high tensile bolting in steel structures 6916 14399-6 7416 2006-06 High-strength structural bolting assemblies for preloading – Part 6: Plain chamfered washers
Washers; outside diameter ˜ 3 x bolt diameter 9021 7093-1 7093-1 2000-11 Plain washers – Large series – Part 1: Product grade A Dimensions partially changed
Washers; outside diameter approx. 3 x bolt diameter 9021 7093-2 7093-2 2000-11 Plain washers – Large series – Part 2: Product grade C Dimensions partially changed

Related Blog

pankajinternational