Screwdrivers FAQs
What’s the difference between Phillips (PH) and Pozidriv (PZ) screwdrivers?
Phillips tips are designed to center in the screw with tapered flanks, while Pozidriv tips have extra ribs that deliver more contact and torque. In practice, use PH for many appliances and general hardware, and PZ for European woodworking and construction screws. Matching the head type avoids cam-out and prevents damage to both tool and fastener.
Do I really need insulated VDE screwdrivers for home electrical work?
If there’s any chance you’re working near live circuits, insulated VDE tools are strongly recommended. They’re tested up to 1,000 volts and reduce the risk of shock dramatically. Even for simple outlet or light switch replacements, a VDE-rated driver adds a critical layer of safety.
When should I choose an impact-rated screwdriver bit like the Armeg PH2?
Use impact-rated bits when driving fasteners with an impact driver or when tackling tough materials like treated lumber and metal. They are engineered to handle pulsing torque and resist shattering or twisting. For general hand-driving, standard bits are fine, but impact-rated options last longer under heavy loads.
Are ratchet screwdrivers worth it for DIYers?
Absolutely. A good ratchet screwdriver speeds up repetitive tasks, reduces wrist strain, and lets you work efficiently in tight spaces. If you assemble furniture, install fixtures, or handle routine maintenance, a ratchet driver quickly becomes a go-to tool.
How can I tell if a screwdriver tip is worn out?
Watch for slipping under normal pressure, visible rounding or chipping on the tip, and a poor fit in matching fasteners. If a driver that used to grip starts camming out easily, it’s time to replace or resharpen. Using a worn tip risks stripping screws and damaging your work surface.