Most common screw head drives

Kennedy Standard Flat Head Screwdriver Slotted x 150mm slot screw head For example, a Phillips head screw would need a Phillips head screwdriver Slotted screw The slotted screw has been around the longest This is the traditional slot meme Slotted, Flat, Straight Slot Screw Drive The traditional wood screw has a single slot in the fastener head and is driven by a flat-bladed screwdriver

slot รองรับ true wallet ISO 225:1983, Fasteners — Bolts, screws, studs and nuts – Symbols and designations of dimensions ISO 261:1973, S0 general purpose metric screw threads –