Screw Holder Apparatus
It is a very important auxiliary apparatus for tube puller tools. It is a product designed for easy screwing of special pulling screws into cylinder cores. Due to its design, screwing is done easily.
The most important feature is that the screw head gets stuck inside the apparatus. So, the star drill bits does not slip. Alos, it is ensured that it does not damage the screw head and the drill bit. Thus, the puller screw is screwed in more strongly and smoothly.