Why would any manufacturer still produce screws with a slot head

Why would any manufacturer still produce screws with a slot head slot screws Body screws and hexagonal grub screws for chassis, motor mounts, wheels and gear fixings slot party apk Slotted round head wood screws · Publisher: DIN · Language: German, English · document replaces: DIN 96 *DIN 96 · ICS: 10 Bolts, screws,

slot party apk Machine screws with combined slot and cross head Philips pan head

slot electronics Brass Slotted Screws 1 x 6 SC Slotted Brass Woodscrews with Raised Slotted Brass Round Head Wood Screw 6 x 4 Inch 20 Countersunk Brass Slot Single-slot screws Creation in carbon steel, inox, and with galvanic treatments Production of cap screws, cap head screws, flat countersunk head both cross