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Version actuelle par : jayeff ,

Texte:

Hi @cowboydon
 
I believe that it is called a Holt Head security screw.
 
Here is a link, scroll down to Holt Head and see if it is the one.
Here is a link, scroll down to Holt Head and see if it is the one.
 
http://www.midstatesbolt.com/technical-headtypes.php

Statut:

open

Contribution d'origine par : jayeff ,

Texte:

Hi @cowboydon

I believe that it is called a Holt Head security screw.

Here  is a link, scroll down to Holt Head and see if it the one.

http://www.midstatesbolt.com/technical-headtypes.php

Statut:

open