Comments by "Makan Tahi" (@makantahi3731) on "" video.

  1. 5:40 it is not philips, it is jis
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  2. 1:26 it is not shear strength, it is torsion strength, and to prevent screw from breaking when you are screwing it, you have to drill small hole before, even in soft wood if screws core thickness is more than 2mm
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