A screw is a short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place. A bolt is a long pin with a head that screws into a nut, used to fasten things together.
StarTech.com 50-Pack M5 Screws - 10mm Long Computer/PC Case Fan Screws - Self-Tapping Computer Case Fan Mounting Screws - Phillips/Flat Head - Fits M5 Fan Holes - Steel Zinc Plated (M5FANSCREW10)
piXL CM32F44K 32 Inch 4K Monitor, Widescreen IPS LCD Panel, 3840 x 2160, 5ms Response Time, 60Hz Refresh, Display Port / HDMI, 16.7 Million Colour Support, VESA Wall Mount, Black Finish, 3 Year Warranty