A screw that turns endlessly or pulls out with a light tug means the hole has lost its grip. A stripped screw hole lacks the threads needed to hold a fastener securely, and the failure shows up in sagging door hinges, loose cabinet pulls, and wobbly furniture. Repairing the hole is usually faster and cheaper than relocating the hardware, and most fixes take five to twenty minutes with two to ten dollars in materials.
Techniques for removing a stripped screw prevent the damage from spreading, and only after the fastener is out can the hole be rebuilt. With the screw removed, the right repair depends on the material, the size of the hole, and the load the fastener must carry. Wood accepts fillers, anchors, and inserts; metal responds best to thread repair compounds and re-cut threads.
Why Screw Holes Strip and How to Assess the Damage
Screws strip when the threads cannot bite into the surrounding material. The usual causes are an undersized pilot hole, a mismatched screwdriver bit, excessive torque, and material worn soft with age. In wood, repeated removal and reinsertion enlarges the hole until the threads have nothing to grab. In metal, cross-threading and over-tightening round out the threads.
Quick fixes circulate on social media, and a few genuinely work. The TikTok stripped screw hack, which places a rubber band over the screw head to add grip, solves a rounded head but does nothing for a hole that has lost its threads. The same goes for steel wool and valve grinding compound: they help the driver bite, not the screw hold. Test these tricks on scrap before trusting them with a load-bearing fastener.
Screw Anatomy in Plain Terms
Four terms explain why a screw fits or fails. The thread is the raised spiral that bites into the material. The crest is the farthest outward point of that spiral, and the maximum diameter is the distance between two opposite crests. The pitch describes the spacing of the threads. Coarse pitch grabs softwood; fine pitch suits metal and hardwoods.
Assessing the Damage
Pull the screw and inspect the hole with a flashlight before choosing a repair.
- the screw turns endlessly: the threads inside the hole are worn smooth, and a filler or anchor is required;
- the screw pulls out under light load: the hole is oversized and must be rebuilt;
- the hole wall is cracked or split: repair the split first, then refill the hole;
- the hole is in metal and looks smooth inside: the internal threads are gone.
When Relocating the Hardware Is the Better Fix
If the stripped hole sits near the edge of a board, a new hole offset by half an inch often holds better than any repair. Relocation also wins when the material is too thin for a filler or insert. When neither works, replacing the component is the honest option.
Quick Fixes for Wood: Longer and Wider Screws
The fastest repair uses a longer screw that reaches fresh material beneath the damaged hole. A screw 25 to 50 percent longer than the original often finds sound wood, provided the board is thick enough. The method adds no cost and needs no drying time, but it fails on thin materials and can push the tip through the far side of a cabinet door.
Fine Homebuilding’s stripped screw fix walks through the same decision with a workshop mindset: match the new screw’s diameter to the remaining material, drill a clean pilot, and drive without over-torquing. The article also shows why an oversized screw splits the board, so measuring the pilot hole beats guessing the size.
Filling the Hole with Toothpicks and Glue
For wood, the classic rebuild uses toothpicks or a golf tee with wood glue. The filler becomes part of the hole, and the original screw threads into it after the glue cures.
- Clean the hole of dust and debris with a brush or compressed air.
- Coat three or four toothpicks, or one golf tee, with wood glue.
- Tap them into the hole until they seat firmly, then break off the excess.
- Let the glue cure overnight, or use a fast-drying glue rated for the load.
- Pre-drill a pilot hole and drive the original screw.
Wood filler follows the same pattern but has less shear strength than solid wood, so it suits light-duty fasteners. For hinges and anything that carries weight, toothpicks and glue rebuild the hole with actual wood.
Matching the Filler to the Load
Match the repair to the job. Light duty: wood filler or spackle, cured and re-drilled. Medium duty: toothpicks or a golf tee with glue. Heavy duty: a plastic wood anchor or a threaded insert. The table below compares the options for wood and metal.
Anchors and Inserts That Rebuild the Hole
When filling alone will not hold, an anchor or insert takes over. Plastic wood anchors expand behind the surface and accept a screw of the original size. Threaded inserts drill the damaged hole oversize, thread a metal sleeve into the material, and let the original fastener thread into the sleeve. The table below lists the common options.
| Method | Best for | Pros | Cons |
|---|---|---|---|
| Longer screw | Wood | Solid attachment, no extra materials | Not possible with thin materials |
| Wider screw | Wood or metal | No special tools required | Widening may not be desirable |
| Fill the hole | Wood | Uses materials on hand | May split the wood |
| Metal screen | Wood | Grip comparable to new threads | Hard to insert in the hole |
| Plastic wood anchor | Wood | Fast and easy | May split the wood |
| Liquid thread repair | Metal | Simple application | Low holding power |
| Threaded metal insert | Metal | Keeps the original fastener size | Insert may pull out |
| Tap-and-die new threads | Metal | Strong, freshly cut threads | Requires a wider screw |
Extraction matters here too. When a broken screw is stuck in the hole, the how to extract a stripped screw methods cover DIY and professional approaches for pulling it first. Filling around a broken fastener wastes the repair and leaves a weak core.
Installing a Threaded Insert in Wood
- Drill out the damaged hole to the diameter the insert specifies.
- Coat the insert’s outer threads with a little glue if the design allows.
- Drive the insert with its tool or a bolt of the matching thread.
- Allow the glue to cure if you used it.
- Thread the original screw into the insert and check the grip.
When an Anchor Splits the Wood
An anchor that is oversized for the board can crack it. Keep the anchor within one-third of the board’s thickness, and drill a clean pilot hole before insertion. In thin plywood and particleboard, a hollow-wall anchor spreads the load better than a plastic expansion anchor.
Repairing Stripped Holes in Metal
Metal behaves differently because the threads are cut into the part itself. Once they are gone, filling the hole as you would in wood does not work. Two reliable routes remain. Liquid thread repair compound is squeezed into the hole, the fastener is coated and reinserted, and the compound cures around the threads. The method takes minutes, but holding power is modest, so it suits low-load applications such as covers and brackets.
For a permanent metal repair, a threaded insert is the stronger choice. The damaged hole is drilled and tapped oversize, and a helical insert or solid bushing restores the original thread size. Done properly, the repair is as strong as the original threads, which is why removing stripped screws and bolts with screw extractors must happen before the hole is re-cut: a broken steel stub destroys the tap.
Cutting New Threads with a Tap and Die
A tap cuts fresh internal threads in a drilled hole, and the matching die dresses the screw. The process requires a wider fastener than the original, because the hole must be enlarged before tapping. Cutting oil, steady pressure, and a tap held square to the surface separate clean threads from a ruined hole.
Choosing the Tap Size
Measure the original screw with calipers and select a tap one standard size larger. A hole that held a number 8 screw commonly accepts a number 10 tap, which needs a drill bit sized to the tap’s minor diameter. The required drill size is printed on the tap or listed on the tap-and-die set’s chart.
Tools That Make the Repair Easier
Most repairs need only a drill, a screwdriver, and shop scraps, but the right tools speed the job. A variable-speed drill with a clutch stops the bit from over-driving the fastener, and a sharp bit set with the right Phillips or square-drive size keeps the head from rounding. For a screw that broke off flush, a screw extractor set removes the stub: drill a small pilot, tap in the extractor, and turn counterclockwise.
Choosing the Right Screwdriver Bit
A worn or undersized bit slips in the head and rounds it, turning a loose screw into a stuck one. Match the bit to the head: a number 1 Phillips for small screws, a number 2 for most household fasteners, and a number 3 for large construction screws. If the bit wobbles in the head, stop and change sizes.
Prevention Habits That Save Time
- Drill a pilot hole sized to the screw’s core diameter.
- Drive with a clutch, or by hand for the final quarter turn.
- Use hardened screws for hinges and framing hardware.
- Add a drop of glue to an existing hole before re-driving a screw that was removed.
Prevention and Long-Term Fixes
The best repair is the one you never need. Pilot holes, the right bit size, and controlled torque prevent most stripped holes, and re-driving an existing screw with glue instead of upsizing keeps the hole intact. When a hinge or latch strips the same hole repeatedly, the hardware location is wrong for the material, and moving it a short distance solves the problem permanently.
Sometimes the damaged area sits inside a larger project, and the decision to rebuild rather than patch mirrors the judgment used in fitting a residence into a stripped landscape: you work with the site and accept that some elements need a fresh start. For a screw hole, that fresh start is a plug of new wood or a threaded insert that outlasts the original fastener.
Signs That a Repair Is Not Enough
- The same hole strips again within months of a proper repair.
- The board is split, rotted, or water damaged around the hole.
- The hardware carries a load the material cannot support.
- The fastener location sits closer than one screw diameter to the edge.
In these cases, move the hardware, reinforce the board, or replace the component. A repair that fails twice is a design problem, not a fastening problem.