My local hardware store has recently changed the colour of the plating on their screws from zinc to something more golden
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The goldish coating is also zinc, but derives its distinctive color from a yellow chromate, which lends thr coating additional corrosion resistance.
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I find that the heads of the new "blingy" screws shear off easily. As in, the his ad fully comes off leaving the shaft behind.
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Zinc should never be used with treated wood. You use zinc for regular wood only.
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For the longest time I thought pressure-treated wood meant it was treated with pressure. Only just crossed my mind that it means they use pressure to get the treatment chemicals further in the wood.
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Some of them they even have “injectors” to get it deeper for stuff that’s permanently under ground.
I think it’s called PWF (Permanent Wood Foundation) wood in most places. Even most “treated” wood isn’t meant for direct ground contact.
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This person uses an impact driver for every screw.
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Alternative, they are not properly using the torque selector!
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Yeah, my dad is too impatient to use proper settings or tools. Plus, I think he just likes the loud sound of the impact driver. But yeah, he usually either drives the screws in too far, strips them, or shears them. I try to be involved any time he is doing a project and "accidentally" bring him the "wrong tool" from what he asked for, hoping he will just use the objectively correct tool I brought instead of what he wanted. He usually does.
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Needs some Deckmate screws.
- Thick
- Torx so really hard to strip
- powder coated and guaranteed for life (whatever that means).
- self drilling too so no predrills most of the time.