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Structural bolts & fasteners

Metric hex bolts & screws – ISO 4014 / 4017, class 4.6 to 10.9

Metric hexagon bolts and set screws ISO 4014 / 4017 (DIN 931 / 933) in classes 4.6, 5.6, 8.8 and 10.9, M6 – M64, with ISO 4032 nuts – plain, zinc or galvanized.

EuropeAustralie / NZÉtats-Unis

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Metric hex bolts M12 to M24 with nuts
Metric hexagon bolts close upISO 4014 part-threaded and ISO 4017 fully threaded.
  • ISO 4014 part thread · ISO 4017 full thread
  • Classes 4.6, 5.6, 8.8, 10.9 (ISO 898-1)
  • M6 – M64, coarse and fine pitch
  • Nuts ISO 4032 / 4033, washers ISO 7089 / 7091
  • Zinc plated, HDG, black or stainless A2 / A4
  • JIS, GB and TCVN equivalents

What it is

General-purpose metric hexagon bolts carry secondary members, equipment, handrails, grating clips and non-preloaded connections. The property class stamped on the head – 4.6, 8.8, 10.9 – gives the tensile strength (first number × 100 MPa) and the yield ratio (second number ÷ 10).

Mechanical properties

ISO 898-1 – minimum ultimate tensile load (kN)
SizePitchAs (mm²)4.68.810.9
M121.7584.333.767.487.7
M162.015762.8126163
M202.524598.0203255
M243.0353141293367
M303.5561224466583
M364.0817327678850
M424.511204489301165
M485.0147058812201529

8.8: fu = 800 MPa up to M16, 830 MPa above. Values are minimum ultimate loads As × fu – design resistance comes from the design code.

Equivalents

ISO 4014 / 4017 correspond to the withdrawn DIN 931 / 933, to EN ISO 4014 / 4017, JIS B 1180, GB/T 5782 / 5783 and TCVN 1916 in Vietnam. Head across-flats differ slightly between ISO and DIN for M10, M12, M14 and M22.

Normes et exigences par marché

Les codes selon lesquels World Steel conçoit, fabrique et documente ce produit – et les principales exigences géométriques et de charge sur chaque marché.

Europe

  • EN ISO 4014 / 4017Hexagon head bolts and screws
  • EN ISO 898-1Mechanical properties
  • EN 15048Non-preloaded structural bolting assemblies
Toutes les normes Europe →

Australie / NZ

  • AS 1111.1ISO metric hexagon bolts – commercial
  • AS 1110Precision hexagon bolts
Toutes les normes Australia & New Zealand →

États-Unis

  • ASTM F568MMetric carbon and alloy steel fasteners
Toutes les normes United States →

Synthèse fournie à titre indicatif – le cahier des charges du projet, l'édition du code adoptée et l'autorité compétente prévalent.

Finitions

FinitionNormes / remarques
Zinc platedISO 4042
Hot-dip galvanizedISO 10684
Plain / blackOiled, for painted or indoor connections
StainlessA2-70 / A4-80 (ISO 3506)

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Prochain projet

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