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Strange screws...


Altan

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5 minutes ago, Altan said:

I was looking for Torx/Slotted screws and I found a few strange screw types with strange drives, Have you ever seen any of them or a screwdriver bit for these?! 

Torx Slotted Screws.jpg

This appears to be a combination drive, accepting both Torx and flat head screwdriver.

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1 minute ago, wingless said:

This appears to be a combination drive, accepting both Torx and flat head screwdriver.

Yes, I know. I use Torx screwdriver bits for them, but we can use Square screwdriver bit for ECX also, why they made a special bit for them then?! I have not seen Square/Slotted bits in UK by now. 

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38 minutes ago, Altan said:

Ball Head Screws.jpg

Most ball head fastener images I located showed either having a shoulder, an Allen hex drive receptacle, or both. Some also have a larger hex drive shoulder.

 

The ones w/ the larger hex drive shoulder appear to be applicable for usage as part of a ball joint system, w/ the shoulder being used to provide strength.

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2 minutes ago, wingless said:

Most ball head fastener images I located showed either having a shoulder, an Allen hex drive receptacle, or both. Some also have a larger hex drive shoulder.

This one might be for light use manually?!

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8 minutes ago, Altan said:

This one might be for light use manually?!

Some overhead electrical fixtures have trim covers retained by screw/studs and spherical balls that finger screw onto those "studs". These ball screws might be used in that application.

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23 minutes ago, Altan said:

Yes, I know. I use Torx screwdriver bits for them, but we can use Square screwdriver bit for ECX also, why they made a special bit for them then?! I have not seen Square/Slotted bits in UK by now. 

There have been infrequent encounters for me on ECX screws, always on electrical parts. I just ordered those Milwaukee bits for that usage.

 

Many times I was able to use square drive bits for tightening, so I used that drive bit.

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