192: Tools: Screw bits explained - Phillips Head vs Pozidriv.

Рет қаралды 1,715

2 жыл бұрын

In this episode, we look at the difference between Phillips Head (PH) and Pozidriv (PZ) Screws and bits.
Pozidriv is basically just an upgrade to the Phillips Head that added additional ribs set at 45 degrees to the original cross and delivers more torque to the screw with less chance of slipping (camming out)
Phillips Head was Patented in 1932 while the Pozidriv was Patented in 1962.
You can use a Phillips diver in a Pozidriv screw and vice versa, but it does not fit as well and is more likely to slip out, especially when under heavy load (torque)
Use Pozidriv where possible for both the bit and the screw.
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Пікірлер: 6

@SteveH-TN 9 ай бұрын

Thanks for sharing this video and information. I ordered a cordless screwdriver set that includes pozidrive & Phillips bits. Seams that pozidrive bits are a better choice in my opinion.

@TechDoctorTV 9 ай бұрын

They are if you have pozidrive screws! 😁

@thomasmFR 2 жыл бұрын

Thanks for the video. I'm a little confused by the Pozidriv. I have two screws M4 and M5, both pozidriv. Only my PZ2 screwdriver works ( PZ1 too loose and PZ3 too big to fit in ). But, the pozi edges of my screwdriver ( Stanley brand ) are not touching the pozi cuts of the screws. There is like a fade off before the tip. So what's the point here? ( vs normal philips ) Why this fade off if the edges are meant to bite those cuts ?

@TechDoctorTV 2 жыл бұрын

Interesting. Unless they are poorly made screws? The Stanley screwdriver should be good, assuming it’s not a knock-off of the brand, or just a defective one. I’m at a bit of loss. Can you send a photo through to ask@techdoctor.com.au