Flat head is cone shaped for use in countersunk holes and has a flat top that fits flush with the mated surface.
Internal hex drive has a hexagonal slot that turns using an hex key driver.
Tags:$0 - $20,Fasteners,Flat Head Screws,Hardware,Nails,Screws,Screws & Bolts,Screws & Fasteners,Socket Cap Screws,Socket Head Screws
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