Aerospace series - Bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series - Classification: 1 100 MPa (at ambient temperature) / 315 °C

This standard specifies the characteristics of bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series.
Classification: 1 100 MPa  ) / 315 °C  )

Luft- und Raumfahrt - Sechskant-Passschrauben, kleiner Kopf, kurzes Gewinde, aus Titanlegierung, anodisiert, mit Aluminium pigmentierter Beschichtung, metrische Reihe - Klasse: 1 100 MPa (bei Raumtemperatur) / 315 °C

Diese Norm legt die Eigenschaften von Sechskant-Passschrauben mit kleinem Kopf und kurzem Gewinde, aus Titanlegierung, anodisiert, mit aluminiumpigmentierter Beschichtung fest.
Klasse: 1 100 MPa ) / 315 °C )
Diese Schrauben sind zur Verwendung von Stulpscheiben nach EN 2414 und Kronenmuttern nach EN 3230 bestimmt.

Série aérospatiale - Axes à tête hexagonale basse, fût à tolérance serrée, filetage court, en alliage de titane, anodisées, avec revêtement alumino-organique, série métrique - Classification : 1 100 MPa (à température ambiante) / 315 °C

Aeronavtika - Sorniki, normalna šestroba glava, ozka toleranca, kratek navoj, iz titanove zlitine, anodizirani, z aluminijem pigmentiranim premazom, metrska serija - Klasifikacija: 1100 MPa (pri temperaturi okolice)/315 °C

General Information

Status
Published
Publication Date
13-Jun-2006
Withdrawal Date
30-Dec-2006
Technical Committee
ASD-STAN - Aerospace
Drafting Committee
ASD-STAN/D 3 - Mechanical
Current Stage
9093 - Decision to confirm - Review Enquiry
Start Date
31-May-2017
Completion Date
28-Jan-2026

Relations

Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026
Effective Date
28-Jan-2026

Overview

EN 4501:2006 is a European standard developed by CEN that specifies requirements for aerospace-grade bolts featuring a normal hexagonal head, close tolerance normal shank, and short thread. These bolts are made of titanium alloy, anodized with an aluminium pigmented coating, and belong to the metric series. The standard classifies these bolts with a tensile strength of 1,100 MPa at ambient temperature, with resistance up to 315 °C, making them suitable for demanding aerospace applications.

This standard ensures consistent quality, dimensional accuracy, and performance of titanium alloy bolts used in critical aerospace components, aligning with aerospace industry quality management systems.

Key Topics

Bolt Characteristics

  • Head Type: Normal hexagonal, thin-headed configuration for weight reduction and secure fastening.
  • Thread: Short thread design, adhering to aerospace standards for lead and runout control (ISO 3353-1).
  • Shank: Close tolerance normal shank ensuring precise fit and load distribution.
  • Materials: Titanium alloy strength class 1,100 MPa as specified in aerospace technical reports.
  • Surface Treatment: Anodized with aluminium pigmented coatings following EN 4474 to enhance corrosion resistance and durability at elevated temperatures.

Dimensional Specifications

  • Metric series with detailed diameter codes ranging from 5 mm to 25 mm.
  • Tight tolerance control on dimensions and form based on ISO 7913.
  • Mass and size references provided to assist in component design and selection.
  • Compatibility with aerospace washers (EN 2414) and nuts (EN 3230).

Marking and Identification

  • Bolts must be marked according to EN 2424 style C plus MJ, using indented lettering for traceability.
  • Designation format includes the standard number, diameter code, and length code for straightforward identification.

Quality and Compliance

  • Manufactured under aerospace quality management systems (EN 9100).
  • Mandatory manufacturer approval and bolt qualification as per EN 9133.
  • Conformance ensures reliability under stringent aerospace operational conditions.

Applications

EN 4501:2006 bolts are primarily designed for use in the aerospace sector where high strength-to-weight ratio and resistance to corrosion and elevated temperatures are critical. Specific applications include:

  • Aircraft Structural Assemblies: Critical fastening points requiring lightweight yet high-strength fasteners.
  • Engine Components: Areas exposed to temperatures up to 315 °C that require bolts with excellent thermal stability.
  • Spacecraft and Satellites: Where anodized titanium alloy bolts provide excellent resistance to environmental factors and maintain structural integrity.
  • High-performance Aeronautical Manufacturing: Integrating these bolts with standard aerospace washers and nuts ensures optimal mechanical performance.

These bolts support aerospace manufacturers in meeting demanding safety and performance standards, minimizing weight while maximizing strength and corrosion resistance.

Related Standards

  • ISO 3353-1: Aerospace lead and runout threads - rolled external threads specification.
  • ISO 5855-2: Aerospace MJ threads - limit dimensions for bolts and nuts.
  • ISO 7913: Aerospace bolts and screws - tolerances of form and position.
  • ISO 9152: Aerospace bolts with MJ threads in titanium alloys - procurement specification.
  • EN 2414: Aerospace washers, chamfered with counterbore, alloy steel, cadmium plated.
  • EN 3230: Aerospace hexagon nuts, reduced height, cadmium plated.
  • EN 4474: Aluminium pigmented coating methods for aerospace fasteners.
  • EN 9100: Aerospace quality management systems and requirements.
  • EN 9133: Qualification procedure for aerospace standard parts.
  • EN 4016: Oversized aerospace bolts.

Understanding and applying EN 4501:2006 within the aerospace fastener ecosystem supports manufacturers in producing high-quality, reliable titanium alloy bolts suitable for critical aerospace environments. Compliance with this standard ensures durability, safety, and standardized quality across aerospace components.

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Frequently Asked Questions

EN 4501:2006 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series - Classification: 1 100 MPa (at ambient temperature) / 315 °C". This standard covers: This standard specifies the characteristics of bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series. Classification: 1 100 MPa ) / 315 °C )

This standard specifies the characteristics of bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series. Classification: 1 100 MPa ) / 315 °C )

EN 4501:2006 is classified under the following ICS (International Classification for Standards) categories: 49.030.20 - Bolts, screws, studs. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 4501:2006 has the following relationships with other standards: It is inter standard links to EN 2424:2008, EN 3230:2001, EN 9133:2018, EN 9100:2018, EN 840-6:2004+A1:2008, EN 14460:2006. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN 4501:2006 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aeronavtika - Sorniki, normalna šestroba glava, ozka toleranca, kratek navoj, iz titanove zlitine, anodizirani, z aluminijem pigmentiranim premazom, metrska serija - Klasifikacija: 1100 MPa (pri temperaturi okolice)/315 °CLuft- und Raumfahrt - Sechskant-Passschrauben, kleiner Kopf, kurzes Gewinde, aus Titanlegierung, anodisiert, mit Aluminium pigmentierter Beschichtung, metrische Reihe - Klasse: 1 100 MPa (bei Raumtemperatur) / 315 °CSérie aérospatiale - Axes à tête hexagonale basse, fût à tolérance serrée, filetage court, en alliage de titane, anodisées, avec revêtement alumino-organique, série métrique - Classification : 1 100 MPa (à température ambiante) / 315 °CAerospace series - Bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series - Classification: 1 100 MPa (at ambient temperature) / 315 °C49.030.20Sorniki, vijaki, stebelni vijakiBolts, screws, studs49.025.30TitanTitanium49.025.20AluminijAluminiumICS:Ta slovenski standard je istoveten z:EN 4501:2006SIST EN 4501:2009en,de01-maj-2009SIST EN 4501:2009SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4501
June 2006 ICS 49.030.20 English Version
Aerospace series - Bolts, normal hexagonal head, close tolerance normal shank, short thread, in titanium alloy, anodized, with aluminium pigmented coating, metric series - Classification: 1 100 MPa (at ambient temperature) / 315 °C
Série aérospatiale - Axes à tête hexagonale basse, fût à tolérance serrée, filetage court, en alliage de titane, anodisées, avec revêtement alumino-organique, série métrique - Classification : 1 100 MPa (à température ambiante) / 315 °C
Luft- und Raumfahrt - Sechskant-Paßschrauben, kleiner Kopf, kurzes Gewinde, aus Titanlegierung, anodisiert, mit Aluminium pigmenttete Beschichtung, metrische Reihe - Klasse: 1 100 MPa (bei Raumtemperatur) / 315 °C This European Standard was approved by CEN on 13 January 2006.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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B-1050 Brussels © 2006 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4501:2006: ESIST EN 4501:2009
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