The neck screw is made of titanium alloy Ti6Al4V- ELI according to ISO 5832 and ASTM F136. The thread profile is special spongy for step drill. The end of the screw has a special triangular sharpening for self-tapping.
To prevent the screw from falling through the hole in the pin there is a special stop at the end. There is a hexagonal hole in the head of the screw. The shape is straight.
Thread completeness - partial. Neck screws have colour coding, diameter marking, length marking, individual marking and packaging.
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