The basis diameter would be the shank alone that is definitely beneath the thread. The inner groove with the thread reaches the foundation diameter on the shank. You can take into consideration this given that the equal of the core diameter in the threaded hole. Partly threaded screws will not https://stainless-steel-banding-s31604.blogsvirals.com/29904342/indicators-on-wood-screws-you-should-know