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Do screws win this test? #framing #carpentry #testing

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Video by BAS Renovations

BAS Renovations

What happens here

This project conducts a comparative shear test between structural screws and nails to determine their respective strengths when joining wood. Using a hydraulic press, each fastener is subjected to increasing lateral force until failure, revealing that structural screws offer significantly higher shear resistance compared to nails.

Transcript

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We got a sheer test, structural screws versus nails. The nail held, but it only made it to about a ton. The screw snapped, but it made it to 4 ton. They both bent, but this did fail in a real application.

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