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Mechanical engineering

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Countersinks for countersunk head screws, except countersunk head screws with heads according to DIN EN 27721

Standard [CURRENT] 2020-01

DIN 74:2020-01

Countersinks for countersunk head screws, except countersunk head screws with heads according to DIN EN 27721

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Widths across flats for bolts, screws, valves and fittings

Standard [CURRENT] 2016-11

DIN 475-1:2016-11

Widths across flats for bolts, screws, valves and fittings

The widths of flats in accordance with this standard apply to all 2-flats, squares, hexagons and octagons, even if they are not moved by wrenches. DIN 79 applies to squares and square holes for ...

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Fasteners - Terminology, spelling of terms, abbreviations

Standard [CURRENT] 2016-08

DIN 918:2016-08

Fasteners - Terminology, spelling of terms, abbreviations

This standard applies to fasteners as described in Clause 3 and specifies terms for them, terms for the most important features of the parts and their abbreviations. When specifying descriptors in ...

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Fasteners - Supplement 3: European Standards - Survey

Technical rule [CURRENT] 2017-08

DIN 918 Beiblatt 3:2017-08

Fasteners - Supplement 3: European Standards - Survey

This Supplement meets the need for current information on the status of European standardization in the field of mechanical fasteners. Tables 1 to 3 contain EN standards which have been adopted as ...

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Diameters of counterbores - Manufacturing dimensions - Part 1: Hexagon socket head cap screws and screws with cheese head or pan head

Standard [CURRENT] 2008-02

DIN 974-1:2008-02

Diameters of counterbores - Manufacturing dimensions - Part 1: Hexagon socket head cap screws and screws with cheese head or pan head

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Diameters of counterbores for hexagon bolts, screws and nuts; manufacturing dimensions

Standard [CURRENT] 1991-05

DIN 974-2:1991-05

Diameters of counterbores for hexagon bolts, screws and nuts; manufacturing dimensions

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Fasteners - Bolted connections with reduced shank - Part 1: Survey, range of application and examples of installation

Standard [NEW] 2026-09

DIN 2510-1:2026-09

Fasteners - Bolted connections with reduced shank - Part 1: Survey, range of application and examples of installation

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Fasteners - Bolted connections with reduced shank - Part 1: Survey, scope and examples for installation; Supplement 1: Studies relating to the calculation of bolted connections

Technical rule [NEW] 2026-09

DIN 2510-1 Beiblatt 1:2026-09

Fasteners - Bolted connections with reduced shank - Part 1: Survey, scope and examples for installation; Supplement 1: Studies relating to the calculation of bolted connections

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