SIST EN 3035:2001
(Main)Aerospace series - Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C
Aerospace series - Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C
This standard specifies the characteristics of screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1100 MPa / 235°C.
Luft- und Raumfahrt - 100° Senk-Paßschrauben mit Flügelkreuzschlitz, kurzes Gewinde, aus legiertem Stahl, verkadmet - Klasse: 1 100 MPa (bei Raumtemperatur)/235 °C
Diese Norm legt die Eigenschaften von 100° Senk-Paßschrauben mit Flügelkreuzschlitz und kurzem Gewinde, aus legiertem Stahl, verkadmet, fest. Klasse: 1100 MPa / 235°C.
Série aérospatiale - Vis a tete fraisée 100° normale, a empreinte cruciforme déportée, tige normale a tolérance serrée, filetage court, en acier allié, cadmiées - Classification: 1 100 MPa (a température ambiante)/235 °C
La présente norme spécifie les caractéristiques des vis à tête fraisée 100° normale, à empreinte cruciforme déportée, tige normale à tolérance serrée, filetage court, en acier allié, cadmiées. Classification: 1100 MPa / 235°C.
Aerospace series - Screws, 100- countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235°C
General Information
Overview
SIST EN 3035:2001 is a European standard published by CEN that specifies the requirements for aerospace series screws featuring a 100° countersunk normal head with an offset cruciform recess. These screws are manufactured from alloy steel and are cadmium plated to enhance corrosion resistance. The standard classifies these screws to withstand mechanical stress of 1100 MPa at ambient temperature and operate effectively up to 235°C. This makes them suitable for demanding aerospace applications where strength, precision, and reliability are critical.
Key Topics
- Screw Design: The screws have a 100° countersunk normal head, providing a flush finish when installed. The offset cruciform recess improves the drive engagement, minimizing slippage during tightening or removal.
- Material Quality: Made from alloy steel to ensure high tensile strength, meeting the classification of 1100 MPa at room temperature.
- Precision: Incorporates a close tolerance normal shank and short thread length for secure fastening in aerospace assemblies.
- Corrosion Protection: Cadmium plating offers enhanced corrosion resistance, which is essential in aerospace environments exposed to varying conditions.
- Temperature Rated: Screws maintain mechanical integrity up to 235°C, catering to components exposed to elevated temperatures during operation.
Applications
SIST EN 3035:2001 screws are widely used in:
- Aerospace Manufacturing: Ideal for assembling aircraft components requiring high strength, precision, and temperature resistance.
- Aviation Maintenance: Suitable for replacing or repairing structural or mechanical aerospace parts that demand consistent performance.
- High-Performance Engineering: Useful in environments where screws are subjected to mechanical stress and thermal variations.
- Corrosive Environments: The cadmium plating ensures durability in aerospace and related sectors where humidity and temperature changes are prevalent.
Related Standards
- EN 9120 – Aerospace quality management systems, complementing hardware standards like EN 3035.
- ISO 4762 – Covers hexagon socket head cap screws, often used alongside countersunk screws in aerospace components.
- EN 2401 – Specifying alloy steel fasteners for aerospace applications, providing alternative fastening options.
- MIL-S-17439 – U.S. military standard for aerospace screws, offering additional context for suppliers and manufacturers.
- RoHS Directive – Environmental compliance concerning hazardous substances, relevant to plating materials used on aerospace fasteners.
By adhering to SIST EN 3035:2001, manufacturers and engineers ensure fasteners meet stringent aerospace performance criteria, contributing to overall safety and reliability in critical fields. This standard supports efficient assembly, maintenance, and long-term durability of aerospace structures by specifying exact material, dimensional, and performance requirements for 100° countersunk alloy steel screws with offset cruciform recess.
Frequently Asked Questions
SIST EN 3035:2001 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Aerospace series - Screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235 °C". This standard covers: This standard specifies the characteristics of screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1100 MPa / 235°C.
This standard specifies the characteristics of screws, 100° countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated. Classification: 1100 MPa / 235°C.
SIST EN 3035:2001 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.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Screws, 100- countersunk normal head, offset cruciform recess, close tolerance normal shank, short thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature)/235°CLuft- und Raumfahrt - 100° Senk-Paßschrauben mit Flügelkreuzschlitz, kurzes Gewinde, aus legiertem Stahl, verkadmet - Klasse: 1 100 MPa (bei Raumtemperatur)/235 °CSérie aérospatiale - Vis a tete fraisée 100° normale, a empreinte cruciforme déportée, tige normale a tolérance serrée, filetage court, en acier allié, cadmiées
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