Screws Selection Guide: Types, Features, Applications ...
13 hours agou2002·u2002Type 1 points have a groove in the chamfer for general utility. Type 17 points have a large groove in the shank for removing wood debris. Type 23 points are similar to type 17, but have a finer thread and maximize their cutting surface. Type 25 points are a hybrid between types 17 and 23 with a coarse thread.
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