A Simple Key For types of screw heads for screwdrivers Unveiled
Bronze is commonly chosen for its organic lubricity; sintered bronze is usually utilized too because it could be impregnated with lubricants. Plastics are not unusual, Whilst they will Restrict the loads the lead screw can take care of.A square travel screw head is often a specialist anti-tamper screw head that requires a Particular Instrument to p