A countersunk self tapping screw that cuts its own thread in the base material. Bi-Metallic A4 / 316 stainless steel with carbon steel tip with leading threads to cut into the concrete.
Example: This product has great features
20 character minimum. Focus on the product and your experience using it.
When writing your review, please consider the following guidelines:
5 images max, 500Kb max per image
Paste the URL of your video on YouTube or Vimeo