Pocket screws are available with coarse and fine threads, and it's important to use the correct thread to prevent splits in wood, plywood, and composite materials. Use fine-thread screws for hardwoods and coarse-thread screws for softwoods, plywoods, particleboard, and medium-density fiberboard.
Set screw - Wikipedia
Fingering the right glove
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Die richtigen Pocket-Hole Schrauben
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Keep screws on the tip with this trick
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