SHS-en-technical-data-sheet

Product catalog summary

Fields of Use: The small head screw is suitable for various applications including tapped boards, timber-based panels, fibre board, MDF panels, solid timber, glulam, CLT, and LVL. It is designed for service classes 1 and 2.

Design Features: The screw features an invisible 50° head, allowing for easy insertion in tight spaces without creating openings in the wood. It is ideal for fastening tongue and groove boards, securing beads, or small elements.

Specifications: The screw is made from galvanized carbon steel. It comes in two diameters: 3.5 mm and 5.0 mm, with lengths ranging from 30 mm to 120 mm. The 5 mm version includes a TX30 torx impression for enhanced precision and robustness.

Geometry and Mechanical Characteristics: The nominal diameters are 3.5 mm and 5 mm, with head diameters of 5.75 mm and 10.00 mm respectively. The characteristic yield moment for the 5 mm version is 5.4 Nm, and the characteristic withdrawal-resistance parameter is 11.7 N/mm². The characteristic tensile strength is 7.9 kN.

Codes and Dimensions: The document provides detailed codes and dimensions for each screw size, including length, head diameter, and packaging details.

Additional Notes: Pre-drilling is recommended for softwood applications, and specific parameters are provided for different material densities. For applications with materials of higher density, refer to ETA-11/0030.

Catalog excerpts

SMALL HEAD SCREW INVISIBLE HEAD Concealed 50° head for easy insertion in small spaces without creating openings in the wood. FASTENING ON TONGUE AND GROOVE BOARDS Ideal for use in joints to secure beads or small elements. Ø5 VERSION WITH TX30 The new 5 diameter version is a real carpentry screw: robust, unobtrusive and with all the convenience and precision of the torx 30 impression. CHARACTERISTICS FOCUS 50° countersunk with under-head ribs MATERIAL Galvanized carbon steel. FIELDS OF USE • tapped boards • timber based panels • fibre board and MDF panels • solid timber • glulam (Glued Laminated Timber) • CLT, LVL Service classes 1 and 2

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GEOMETRY AND MECHANICAL CHARACTERISTICS A dS Nominal diameter Head diameter Associated density Associated density Characteristic tensile strength Shank diameter Pre-drilling hole Characteristic yield moment Characteristic withdrawal-resistance parameter(2) Pre-drilling valid for softwood. Valid for softwood - maximum density 440 kg/m3. For applications with different materials or with high density please see ETA-11/0030. (2) CARPENTRY | SHS | 23 Powered by TCPDF (www.tcpdf.o

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