At the same time, the striking blow from the hammer forces the impact driver down into the screw reducing or eliminating cam out. This attribute is beneficial for Phillips screws which are prone to cam out. It is also excellent for use with the Robertson square socket head screws that are in common use in Canada.
PSAT scores are reported on a scale that runs from 20 to 80, 20 being the lowest and 80 the highest. This is a parallel to the SAT, which scores between 200 and 800 on each test part. If you want an idea of how youâll do on an SAT test, simply add a 0 to your score.
Each state has its own threshold PSAT score, which is the baseline for students to be considered as semifinalists in a given state. The scores vary widely, from 202 in West Virginia to 225 in the District of Columbia and New Jersey (see below).Note: The average 2014 National Merit Scholarsâ SAT critical reading score was 751, and the average mathematics score was 746; the average writing skills score was 737.