How to Tighten a Loose Temple Screw at Home Without Damaging Your Frame

A loose temple screw is one of the most common eyewear annoyances. The temple — the arm that runs over your ear — begins to wobble, the lenses sit slightly crooked on your face, and the frame creeps a little farther down your nose every hour. Most of the time, this is a five-minute fix that does not require an optician’s visit, provided you have the right tools and a calm hand.

Identify the screw before you reach for a tool

Most modern frames use one of two tiny screws at the temple hinge: a slotted screw for traditional flathead drivers, or a Phillips-head cross screw on newer designs. A few high-end frames, particularly Japanese titanium ones, use proprietary screws that should only be touched by a trained optician. Before doing anything, look closely at the head. If you do not recognize the pattern, stop. Forcing the wrong driver will strip the head and turn a five-minute repair into a workshop job.

The right tools for the job

A standard optical repair kit, available at any pharmacy, will include a small flathead driver and sometimes a Phillips. Hardware-store precision drivers also work, provided they are sized for jeweler’s screws — typically a 1.4 mm flathead or a No. 0 Phillips. A magnetic tip is helpful but not essential. You will also want a clean, light-colored cloth on your work surface to catch any screw that escapes, and good lighting — a desk lamp or window beats a kitchen overhead.

Tighten in small increments

Hold the temple closed, with the inside of the hinge facing up, and apply gentle, downward pressure on the driver as you turn clockwise. The screw should resist within a quarter-turn or two. Do not keep going once it stops. Over-tightening can crack a plastic frame and strip a metal one. The goal is firm enough that the temple no longer wobbles when you move it through its range, but loose enough that it still folds smoothly.

If the screw will not bite — it just spins freely — the threads on the frame have probably stripped. That is no longer a home repair. An optician can re-tap the threads or fit a slightly larger replacement screw, usually in a few minutes at the counter.

Use a thread-locking trick if it keeps loosening

For a screw that tightens fine but works itself loose every few weeks, a single tiny drop of clear nail polish on the threads, applied while the screw is partly out, will hold things in place without making future adjustments impossible. Avoid commercial threadlocker compounds; they are designed for engine bolts and are far too aggressive for jeweler’s hardware.

When to take it to an optician

If a temple still wobbles after the screw is fully tight, the hinge itself may be worn, the screw may be too short for replacement, or the frame may need a full repair. Any of these is inexpensive at a local optical shop and far cheaper than a replacement frame.

A practical takeaway

A loose screw is a maintenance issue, not a sign of frame failure. Identify the screw, use the correct driver, turn until it stops, and stop. Done well, the fix takes longer to set up than to perform.

Back to blog

Peek Eyewear

EST. 2025