6 Lobe Flat Head Thread Rolling Screws Are Designed For Drilled, Punched Or Cored Holes In All Ductile Metals And Punch Extruded Metals.
6 Lobe Flat Head Thread Rolling Screws have a sturdy construction for long lasting durability and strength. Screws eliminate chips, require low drive torque and are resistant to vibrational loosening. Flat head design is used for use when protrusion of the fastener above the mating surface is unacceptable. Typically 100 degree flat, unless for fastening softer materials in which case it???s 82 degree flat. Choose from Zinc or Black Oxide finishes for added protection and longevity. Comes in package quantities of 3000, 4000, 7000, 8000 and 10,000. Size and length vary per model.