How to Fix an Overall Button: Hardware Replacement and Fabric Repairs
Updated Jul 2026
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Key takeaways
- Replace broken metal tack buttons using affordable no-sew hardware kits
- Always reinforce damaged or frayed denim with a canvas or iron-on patch before installing new hardware
- Adjust loose slide buckles with needle-nose pliers if the clasp keeps slipping
- Use heavy upholstery thread and a backing button for quick temporary field repairs.

How to Fix a Broken or Loose Overall Button
Fixing a broken or loose overall button usually requires replacing the damaged metal tack button with a new no-sew jean button kit, reinforcing torn denim with a canvas patch, or adjusting a bent metal slide buckle. For a quick temporary fix, a heavy-duty shank button sewn with heavy thread can hold until permanent replacement hardware arrives. Overalls take a beating at the waist and chest, putting constant stress on the metal fasteners that hold the straps and side openings together. When a button pulls free or breaks, it almost always leaves behind damaged denim or a bent pin. Fortunately, fixing hardware on bib overalls or dungarees doesn't require advanced tailor skills. Most fixes take under ten minutes using basic hand tools.Identifying the Type of Button Damage
Determine whether the metal tack pulled through the denim, the button cap separated from the post, or the slide buckle slipped off the stud. Pulled-through buttons leave enlarged, frayed holes requiring fabric reinforcement, while broken metal pieces require full hardware replacement with a new hammer-on button set. Take a close look at the failure point before buying hardware. If the button is intact but won't stay attached to the strap, inspect the slide buckle on the suspender strap. The metal loop might just be stretched open. If the button popped off entirely, check if the metal pin sheared off or if the cotton fibers around the post simply unraveled under tension.Tools and Supplies You Need for the Repair
Basic repairs require a replacement no-sew tack button set, a hammer, a solid metal or wooden work surface, and optional reinforcement fabric like iron-on denim patches or canvas. For temporary sewn repairs, you need heavy-duty upholstery thread, a sturdy hand needle, and a backing button or small metal washer.Having the right gear on hand makes the repair simple and long-lasting:
- No-Sew Tack Buttons: These match standard denim and overall hardware, featuring a spiked base pin and a metal top cap.
- Reinforcement Material: Heavy iron-on patches or scraps of duck canvas provide structure behind worn fabric.
- Hammer and Hard Surface: A standard claw hammer works, but you need a cast-iron skillet, anvil, or hardwood block to absorb the strike.
- Needle-Nose Pliers: Essential for pinching bent metal clasps back into shape.
Step-by-Step Overall Button Replacement Methods

Method 1: Installing a Hammer-On No-Sew Metal Tack Button
Hammer-on tack buttons offer the strongest replacement for overalls because they lock permanently into place without stitching. Push the spiked tack through reinforced fabric from behind, align the top cap, and firmly tap the metal post base using a hammer against a solid surface until the two halves snap together tightly. Place your overall garment face-down on a wooden block or scrap board. Insert the sharp metal pin from the inside of the waistband or bib, pushing it through the denim until the point sticks out fully on the front side. Set the hollow button cap over the exposed tip. Flip the garment over so the cap rests against a scrap piece of cardboard on your hard surface, then hit the back of the metal tack with your hammer. Two or three solid strikes compress the interior post, locking the button flush against the fabric.Method 2: Reinforcing Torn Denim Before Installing Hardware
Installing a new button into weakened or frayed denim causes it to rip out under strap tension. Reinforce the damaged area first by fusing an iron-on denim patch to the interior side or stitching a small piece of heavy canvas behind the hole before driving the metal tack pin through. Trim any long, frayed threads from the damaged button area with scissors. Cut an iron-on patch slightly larger than the hole, placing it inside the garment directly behind the damage. Press it with a hot iron for 20 seconds. If you don't have iron-on patches, cut a one-inch square of canvas or thick cotton scrap and hold it behind the hole. When you drive the replacement tack through the center of the patch, the extra fabric layers distribute strap tension across sound material.Method 3: Emergency Fixes When You Do Not Have Hardware
If an overall button breaks while working, substitute a large coat or shank button using heavy thread. Pass the thread through a small backing button on the inside of the denim before stitching the main button on front. This prevents the thread from tearing through the stressed cotton weave. When you're out in the field without a replacement kit, a temporary sewn repair keeps your straps up. Find a tough flat button or metal shank button. Place a small shirt button on the inside face of the denim directly behind the repair site. Pass your needle and heavy thread back and forth through both the main front button and the interior backing button. The backing button acts like a washer, spreading tension so your temporary thread doesn't slice through the fabric.Adjusting Bent Buckles and Strap Hardware
When an overall button refuses to stay latched, the problem often stems from a widened or bent metal strap buckle rather than the button itself. Using needle-nose pliers, carefully compress the loop on the clasp slightly so it snaps firmly over the round button head without popping free under movement. Bib overall straps rely on tension and precise loop sizing to keep the metal clasp hooked over the button stud. Repeated washing and heavy pulling can open up the wire loop on the clasp. Before replacing any button, test whether the buckle is simply too wide to hold the stud.Reshaping the Metal Clasp Loop
Repeated pulling can spread the open slot on an overall slide buckle, allowing the button head to slip out freely. Hold the clasp with pliers and apply steady pressure to narrow the opening slightly until it takes a deliberate push to seat the button inside the loop. Grab the metal loop on each side with needle-FAQ
How do I identify if my Overall button needs fixing?
Look for signs like stiffness, difficulty engaging or disengaging, unusual noises during operation, or a feeling that the button isn't fully connecting.
What tools are typically needed to repair an Overall button?
Generally, you'll need a screwdriver (likely Phillips), pliers, a small punch, and possibly penetrating oil. A repair manual specific to your model is highly recommended.
Can I fix the Overall button myself, or should I take it to a professional?
Simple repairs like tightening screws are often DIY-able. However, more complex issues involving internal components are best left to a qualified technician.