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Fitting a strike plate or latch is a small job, but a drill that is too powerful or a bit that wanders can leave a loose screw, a split jamb, or an oversized hole. For most door hardware, a compact cordless drill-driver is the right tool. The important choices are control, bit size, and keeping holes straight—not maximum torque.
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Choosing a drill for door hardware
A basic 12V drill-driver is usually enough for pilot holes in a wooden door or jamb. A 18V or 20V drill-driver also works well, especially if you already own one, but it may be bulkier around a door frame. Choose a model with a variable-speed trigger and a clutch. The trigger helps start slowly; the clutch limits screw force and reduces the chance of stripping a screw head or driving it too deep.
If you are buying a tool mainly for occasional household jobs, a 12V cordless drill-driver kit is a sensible size and price. A homeowner who also drills into masonry, builds furniture, or drives larger fasteners may get more use from an 18V cordless drill-driver kit. Battery platform matters more than a small difference in advertised torque if you already own compatible batteries.
Drill-driver, hammer drill, or impact driver?
| Tool | Best use on this job | Trade-off |
|---|---|---|
| Drill-driver | Pilot holes and controlled screw driving | Slower than an impact driver for repeated long screws, but easier to control |
| Hammer drill | Unneeded for wood jambs; useful only if drilling masonry nearby | Hammer mode can damage wood and should be switched off for door hardware |
| Impact driver | Occasional driving of long screws into dense framing | High force can strip small hardware screws or split a jamb |
An impact driver is not the default choice for the small screws supplied with a latch or strike plate. If you use one, set it to a low mode if available, keep the bit seated firmly, and stop as soon as the screw head is snug. For a few screws, a hand screwdriver gives useful control and costs nothing extra.
Bits, pilot holes, and screw fit
Use a sharp brad-point bit for clean holes in wood, or a standard twist bit if that is what you have. For the small pilot holes used with common door-hardware screws, bits around 1/16 to 3/32 inch are typical, but the correct size depends on the screw’s core diameter and the wood. Check the hardware instructions when available. In hardwood, a pilot hole near the screw’s core diameter helps prevent splitting; in softwood, a slightly smaller hole may give better grip.
Do not guess by drilling a large hole and hoping the screw will hold. An oversized pilot hole can leave the threads with too little wood to bite. If the screw spins without tightening, remove it and assess the hole rather than forcing it. A wood sliver and glue can sometimes repair a small stripped hole; a larger damaged hole may need a fitted wood plug and a new pilot hole after the glue cures.
For a latch bore or a larger opening, use the size and method specified by the hardware maker. A hole saw or spade bit may be needed, but those cuts require more care than screw pilots. Clamp a backing block where possible to reduce tear-out, drill from both sides if practical, and keep the bit square to the door edge. For a simple strike plate replacement, you usually do not need to enlarge the latch opening at all.
A controlled installation sequence
First, check that the door closes and the latch meets the strike opening. Mark the plate position with the door closed, then confirm the latch tongue is centered in the opening. A plate that is merely shifted to hide a misaligned door can bind when the door moves seasonally. Correct the alignment before drilling if the gap or hinge position is the real problem.
Use the plate as a template, mark the screw centers, and make shallow starter marks with an awl or nail. This keeps the bit from skating across the jamb. Drill perpendicular to the surface at low speed. A piece of tape on the bit can serve as a depth marker; for a typical short hardware screw, the pilot hole only needs to be slightly deeper than the screw’s threaded portion.
Drive the screws by hand or with the drill-driver clutch set low. Increase the clutch setting only if the screw stops before seating. Stop when the plate is flush and secure. Overdriving can crush the wood under the plate, strip the hole, or distort the plate so the latch rubs. If the screw is long enough to reach the framing behind the jamb, a pilot hole is especially helpful.
Common mistakes and when to buy more
A slipping bit usually means the wrong bit type or size, a worn bit, or too much speed before the bit is seated. A screw that will not start straight often points to a pilot hole drilled at an angle. Back it out and correct the hole before the screw bends or damages the plate. If the jamb is split, do not keep tightening: the split weakens the screw hold, and a repair or longer screw into sound framing may be needed.
For a one-time strike-plate job, buying a premium drill is rarely justified. A basic drill-driver and a suitable bit set are enough; a small wood-bit set is a practical upgrade if your current bits are dull or too large. Spend more only if you will use the tool regularly, need better ergonomics, or already rely on a battery platform. For the actual installation, a steady hand and correctly sized pilot hole matter more than extra power.