Integrated Partner

Design with Schmid RAPID Timber Screws

Schmid manufactures the RAPID® timber construction screw series for mass timber, integrated into SPEC Toolbox with manufacturer-verified data on every screw. Size, verify and specify a Schmid connection into the real CLT, glulam or steel your project uses, verified to Eurocode 5 in Europe and AS 1720.1 in Australia. Every value comes from Schmid's published technical data, not a generic catalogue number.

Explore The Integrations → Powered by SPEC Toolbox. Real manufacturer-verified data on every part.
  • 15 calcs
    CLT tools available
  • 6,000 +
    Engineers using SPEC
  • 12 +
    EU CLT & fastener brands
  • 100 % free
    Browser-based · no download
Integrated product system available now in Australia and Europe.

The Schmid system, ready to design

Integrated product system available now in Australia and Europe.

Europe
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Screws

Screws

Eurocode 5 (EN 1995-1-1, §8.7 and §8.7.2), editions 2004 and 2025 Calculator →
In their words

Why Schmid Schrauben Hainfeld builds on SPEC

“We are proud to announce that our screws are now part of SPEC Toolbox, a design tool that makes it easier than ever for engineers to calculate connections. With our deep know-how in mass timber construction, we want to share our Austrian expertise with the world, always with a clear focus on sustainability and building responsibly.”

— Sebastian, Sales Manager for Timber Construction, Schmid

Spectoolbox

About Schmid Schrauben Hainfeld

Schmid Schrauben is an Austrian pioneer in timber construction fasteners, with a history dating back to 1842. Headquartered in Hainfeld, the company has evolved into one of Europe’s leading manufacturers of high-performance screws for structural timber applications.

Schmid’s flagship RAPID® screw series are engineered specifically for high-strength timber connections, available in various lengths and coatings that reduce friction, improve battery efficiency, and enhance corrosion protection.

Frequently asked questions

Design With Schmid Schrauben Hainfeld

Is the Schmid calculator free to use?
Yes. The Schmid calculators on SPEC Toolbox runs free in the browser. No download, no license, no account needed to design and verify a connection.
What standard are Schmid screws designed to?
In Europe, Schmid screws are verified to Eurocode 5 under ETA-12/0373. In Australia the same products are checked to AS 1720.1.
Which Schmid products are integrated?
Screws (RAPID series) are integrated for Australia and Europe. 1 product system in total. Switch region to see the set for other markets.
Can I design Schmid connections in CLT, glulam or LVL from any supplier?
Yes. The calculator lets you select the CLT, glulam or LVL you're specifying from any integrated supplier and verifies the connection against that material's real characteristic density.
Where does the capacity data come from?
Directly from Schmid's published ETA-12/0373 technical data. Nothing is averaged or re-derived.
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