This resembles a Phillips head little bit but features a modest protective ring, or “shoulder,” close to the suggestion from the bit that forestalls the screw from remaining set up too deeply.
Flange screws are https://types.blog/types-of-screw-heads/
An Unbiased View of types of screw heads
Internet 38 days ago deborahodqk031177Web Directory Categories
Web Directory Search
New Site Listings