Designing a screw

Swathy
Member • Aug 1, 2016

Designing a screw

How can we design a screw which can be tightened only?
I want to know about the design and model of it.
The screw should not be loosened.

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Anoop Kumar

Member • Aug 1, 2016

Another way, design like this.

You can only screw it but when you try to unscrew, screw driver will not able to hold it.
<a href="https://www.naturalhandyman.com/iip/inffastener/infoneway.html" target="_blank" rel="nofollow noopener noreferrer">Security or One-Way Screw Removal Methods</a>

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Swathy Prabhakaran

Member • Aug 1, 2016

Anoop Kumar
Another way, design like this.

You can only screw it but when you try to unscrew, screw driver will not able to hold it.
<a href="https://www.naturalhandyman.com/iip/inffastener/infoneway.html" target="_blank" rel="nofollow noopener noreferrer">Security or One-Way Screw Removal Methods</a>
thanks anoop ji

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Vipin verma

Member • Aug 2, 2016

For normal purpose minus screw and for medium purpose plus screw and for higher purpose depth plus screw is better,
For tightening triangular, square, Pentagon upper base type, to reduce looseness

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Vipin verma

Member • Aug 2, 2016

Like this types

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Stephen B Johnson

Member • Aug 16, 2016

You should make it left handed too. Then you could sell left handed screwdrivers.

I already have left handed wrenches and a left handed hammer.

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Swathy Prabhakaran

Member • Aug 16, 2016

Stephen B Johnson
You should make it left handed too. Then you could sell left handed screwdrivers.

I already have left handed wrenches and a left handed hammer.
thanks

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T.Vikram Singh

Member • Oct 16, 2016

Anoop Kumar
Another way, design like this.

You can only screw it but when you try to unscrew, screw driver will not able to hold it.
<a href="https://www.naturalhandyman.com/iip/inffastener/infoneway.html" target="_blank" rel="nofollow noopener noreferrer">Security or One-Way Screw Removal Methods</a>
,

when it can be tightened it can also be loosened,
i'm unable to understand how it can only be used for tightening but not loosening..//
How ?

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Anoop Kumar

Member • Oct 16, 2016

vikram singh t
,

when it can be tightened it can also be loosened,
i'm unable to understand how it can only be used for tightening but not loosening..//
How ?
Tightening : Rotate right/clockwise - You see upper right edge will hold the screw.
but, in Loosening : Lower right edge is not there it will not able hold screw and it will just slip.
Try with common screw and see the effect.

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