AC233 and AC257 ICC-ES Evaluation report for self-tapping screws from Rothoblaas.

Some highlights:

• The first line of modern structural screws with US design values also for withdrawal in the end grain, and any other angle from 0 – 90° to the fiber

• A full range of partially and fully threaded screws, timber to timber and timber to metal, covering 10 screw categories

• Design values for specific gravity from 0.35 to 0.55

• EVO coated screws tested for use in pressure treated lumber