Turn the machine off, raise the needle to its highest point, loosen the needle clamp screw and pull the old needle down and out. Slide the new one in with the flat side of the shank facing the back, push it up until it stops, and tighten the screw. That's the method in Singer's and Brother's manuals. The step that matters most is "until it stops": a needle that's even a little low will skip stitches.
Before you start
You need the new needle and, on most Brother machines, the small disc-shaped screwdriver that came in the accessory bag. Pick the right needle first: an 80/12 universal for everyday cotton, a ballpoint for knits, a jeans needle for denim. Our needle sizes chart matches size to fabric, and our needle pack picks cover what to buy.
Brother's manual adds a tip worth stealing for any machine: lay a scrap of fabric or paper over the hole in the needle plate first, so a dropped needle can't fall into the machine.
How to change the needle, step by step
- Raise the needle and switch off. Turn the handwheel toward you until the needle is at its highest point, or press the needle position button on a computerized machine. Then turn the power off (Singer) or touch the lock key (Brother computerized models).
- Cover the needle plate hole with a scrap of fabric or paper. Taking the presser foot off gives you more room, and Brother's manual does this step.
- Loosen the needle clamp screw. Turn it toward you (counterclockwise) while you hold the needle with your other hand so it doesn't drop. You don't need to take the screw out.
- Pull the old needle down and out. If you're keeping it to reuse, check it's straight first (see below).
- Insert the new needle, flat side to the back. Slide it up into the clamp with the flat side of the shank facing away from you and the long groove facing you.
- Push it all the way up. Keep pushing until it stops against the stopper. Brother's manual describes the stopper as a viewing window on some clamps, so you can see when it's home.
- Tighten the screw firmly while still holding the needle up. Then refit the presser foot, unlock or switch on, and turn the handwheel one full turn by hand to make sure the needle clears the foot and plate.
Rethread the top thread with the presser foot raised before you sew, because a needle change often pulls the thread out of the eye. The full path is in our Singer threading guide and Brother threading guide.
Singer machines: what's different
Singer's FAQ makes two points that are easy to miss. The needle has to go as far up the needle bar as it can, and a needle inserted only halfway can look seated when it isn't. And Singer recommends only Singer needles in Singer machines; on denim, it names its style 2026 denim needle and warns that another brand can cause tension issues.
On the Singer 4411 manual, the sequence is simple: power switch off before inserting or removing the needle, loosen the needle clamp screw, flat side toward the back, as far up as it will go, tighten. On Singer Heavy Duty models (4411, 4423, 4452), the clamp screw is usually turned by hand, as sewingmachinefun notes, so there's no tool to hunt for. If a Heavy Duty skips or breaks needles after a change, our Singer Heavy Duty problems guide walks through the fixes in order.
A SINGER universal needle assortment gives you 80/12, 90/14 and 100/16 in Singer's own needles.
Brother machines: what's different
Brother's operation manual for its computerized machines adds a safety step: touch the lock key on the screen before you change the needle, so an accidental press of Start/Stop can't run the machine. It also raises the needle with the needle position button rather than the handwheel, and removes the presser foot before loosening the clamp.
The screw is tighter than Singer's thumb screw, so use the disc-shaped screwdriver. Turn it toward you to loosen, insert the needle flat side to the back "all the way to the top of the needle stopper," and tighten securely. Brother's caution is specific: a needle that isn't fully inserted, or a loose clamp screw, can break the needle. Brother also says to use only home sewing machine needles.
On Brother's mechanical models, there's no lock key; switch the machine off and use the handwheel to raise the needle, then follow the same insertion steps.
When to change the needle
The makers don't agree on an interval, but they agree on the warning signs.
| Source | Routine change | Change now if |
|---|---|---|
| Brother operation manual | Generally after one project, such as a piece of clothing | An unusual sound as the needle enters the fabric; skipped stitches |
| Singer machine FAQ | Every 6 to 8 hours of use | The needle is dull or weak |
| Singer 4423 manual | About every other garment | First thread break or skipped stitch |
Our rule: a fresh needle at the start of every project, and immediately after you hit a pin, even if the needle looks fine. A needle costs a dollar or so. A snag in a finished garment costs a lot more.
How to check a needle for a bend
Brother's manual describes the check: lay the flat side of the needle on a flat surface, like the bobbin cover or a piece of glass, and look at it from the top and from the side. The space between the needle and the surface should be even along its length. If it isn't, throw it away. A slightly bent needle is one of the commonest causes of skipped stitches.
A tool if your hands or eyes struggle
The Dritz 253 needle inserter and threader holds the needle by its shank, flat side in the right direction, so you can push it up into the clamp without fumbling. It sold 1,000+ on Amazon last month. Its rating (4.0 on 4,794 ratings) is lower than the needles it holds, so treat it as a helper, not a must. Keep a spare card of SCHMETZ Universal 80/12 needles next to the machine and you'll never put off a needle change for lack of one.
If the stitches still look wrong
Go back to step 6 and push the needle up again; it's the most common miss. Then check that the needle type suits the fabric (ballpoint on knits, jeans on denim) and that you rethreaded with the presser foot up. If the problem is loops or a nest of thread underneath, it's the top threading or tension, not the needle; our bobbin thread bunching guide covers that.
Sources, checked October 21, 2026: Brother online operation manual, "Changing the Needle" (support.brother.com); Singer machine FAQ (help.singer.com); Singer 4411 and 4423 instruction manuals (as published on manualslib.com); sewingmachinefun.com on Singer Heavy Duty clamp screws. Product details come from Amazon listings. How we research · Affiliate disclosure