How to Quickly Sew a Flat or Shank Button

Master the art of sewing buttons with our comprehensive step-by-step guide for flat and shank buttons.

By Sneha Tete, Integrated MA, Certified Relationship Coach
Created on

Buttons are essential components of many garments, from shirts and coats to jackets and dresses. Whether you’ve lost a button or need to replace one, knowing how to sew buttons properly is a fundamental sewing skill that every person should master. This comprehensive guide will walk you through the process of sewing both flat buttons and shank buttons, ensuring that your repairs are durable and long-lasting.

Sewing a button may seem like a simple task, but there’s a proper technique that ensures your button stays secure and looks professional. Whether you’re dealing with a two-hole flat button, a four-hole flat button, or a shank button with a built-in post, we’ll cover everything you need to know to complete the job quickly and effectively.

Understanding Different Button Types

Before diving into the sewing process, it’s important to understand the different types of buttons you might encounter. The most common types are flat buttons and shank buttons, each requiring slightly different sewing techniques.

Flat Buttons

Flat buttons are the most common type of button found on everyday clothing. They feature either two or four holes drilled directly through the button face. Two-hole flat buttons are typically found on shirts and casual wear, while four-hole flat buttons are often used on coats and heavier garments. The holes go straight through the button, allowing you to sew the button directly onto the fabric.

Shank Buttons

Shank buttons have a hollow post or shank on the back instead of holes going through the face. This metal or plastic loop is what you thread your needle through when attaching the button. Shank buttons are commonly found on formal wear, coats, and decorative applications. The shank creates space between the button and fabric, which is useful for thicker materials.

Essential Materials and Tools

Before you begin sewing your button, gather the following materials:

  • A needle (appropriate size for your thread and button holes)
  • Thread approximately 24 inches long (preferably matching the garment color)
  • The button you wish to sew
  • A toothpick or matchstick (for flat buttons only)
  • Scissors for cutting thread
  • Optional: disappearing marking pen for marking the button position

Having these items on hand before you start will make the process smooth and efficient. You can also use a self-threading needle if you find threading difficult, as this will save time and frustration.

Steps to Sew a Flat Button (Two or Four Hole)

Flat buttons are the most straightforward to sew and are a great starting point for beginners. Follow these steps for perfect results:

Step 1: Thread the Needle

Cut a piece of thread approximately 24 inches long. Thread it through your needle halfway so that both ends are equally long. This creates a doubled thread, which is stronger and more durable for holding your button. Keep both strands together and tie a knot at the end, tying them together to secure. This knotted end will prevent the thread from pulling through the fabric.

Step 2: Position the Button

Position the button where you want it on your garment, ensuring that the holes are facing the same direction as the other buttons nearby. For jackets, coats, or shirts, check to see that it is the right spot by aligning it with the corresponding buttonhole. You can use a disappearing marking pen to mark the exact spot if you wish, which helps ensure precise placement and professional-looking results.

Step 3: Start Your First Stitch

Pull your needle up through one of the holes from the underside of the fabric, pulling it all the way through until the knot stops you at the fabric surface. Push the needle back down through the second hole and pull the needle all the way through again. This anchors your button to the fabric and is the foundation of your stitching.

Step 4: Use a Toothpick for Spacing

Before continuing with your stitches, insert a toothpick or matchstick between the fabric and the button, positioning it between the two holes. This clever technique keeps the button from getting sewn too tight to the fabric, creating a small space that allows for easier buttoning and prevents stress on the thread. This spacing is particularly important for buttons on heavy coats or garments that experience frequent use.

Step 5: Continue Stitching

Continue passing the needle up and down through the button holes, going through the fabric each time. You should make at least 8 to 10 passes through the holes to ensure the button is securely attached. The more stitches you make, the more durable the button will be. If you’re working with a four-hole button, you have creative flexibility in your stitching pattern.

Step 6: Create the Shank

When you’re finished with your stitching passes, remove the toothpick and bring the needle up through the fabric next to your existing stitches, but not through the button itself. Wind the thread counter-clockwise around the threads running from the button to the fabric a few times, pulling it tight. This wrapping creates a neat shank and strengthens the button attachment, distributing the stress evenly across the thread.

Step 7: Tie Off Your Thread

To finish, make another pass through a small bit of material and pull it almost all the way through so that you have a small loop of thread. Pass the needle back through the loop and pull it tight to create a secure knot. Cut the thread close to the knot to finish cleanly.

Sewing Four-Hole Flat Buttons

Four-hole flat buttons offer more creative possibilities for sewing patterns. When sewing a four-hole button, you can create different looks by choosing your stitch pattern. Rather than sewing straight down through adjacent holes like a two-hole button, you can create an “X” pattern by sewing diagonally across the button. Go up through one hole and cross to the button hole diagonal from that hole, then reverse the pattern for the return journey.

This diagonal stitching creates a visually interesting appearance while also distributing the stress more evenly across the button. Continue this pattern 8 to 10 times for security, then proceed with wrapping the shank and tying off as with the flat button.

Steps to Sew a Shank Button

Shank buttons require a slightly different approach since they have no holes in the face. Follow these steps for attaching shank buttons:

Step 1: Thread the Needle

Cut a piece of thread about 24 inches long and thread it through a needle halfway so that both ends are equally as long. You can use a self-threading needle for easy threading. Keeping your strands together, tie a knot at the end to tie them together.

Step 2: Position the Button

Position the button where you want it on your garment. Check to see that it is the right spot for the buttonhole if it’s on a coat, shirt, or jacket. You can also use a disappearing marking pen to mark the spot if you wish for extra precision.

Step 3: Anchor Your Thread

Push your needle through a small bit of the material on the spot where you want the button to go. Pull it all the way through. This creates an anchor point for your stitching and ensures your button won’t shift during the sewing process.

Step 4: Thread Your Button

Thread the needle through the shank of your button. The shank is the hollow post extending from the back of the button. This is the key difference between shank buttons and flat buttons—you’re not piercing the button itself but rather looping through the pre-formed shank.

Step 5: Attach the Button

Thread the needle through a small bit of fabric again like you did earlier and pull tight to attach the button. Continue to pass the needle through the button shank and then through the small bit of fabric underneath several times until it feels secure when you pull on it. Most professionals recommend at least 8 to 10 passes for durability.

Step 6: Tie Off the Thread

To finish, make another pass through the small bit of material and pull it almost all the way through so that you have a small loop of thread. Pass the needle back through the thread loop and pull it tight to create a secure knot. Cut the thread close to the knot to finish.

Pro Tips for Perfect Button Sewing

Enhance your button-sewing skills with these professional tips:

  • Match Your Thread: Always try to match your thread color to the garment for invisible stitching. If an exact match isn’t available, choose a thread color slightly darker than the fabric.
  • Use Quality Thread: Invest in strong, durable thread like polyester or upholstery thread for buttons that will endure frequent use and washing.
  • Create Proper Spacing: Always use a toothpick when sewing flat buttons to ensure proper spacing between the button and fabric, allowing easier movement and reducing thread stress.
  • Make Secure Knots: Double-knot your thread at both the beginning and end for maximum security, especially for buttons on frequently used garments.
  • Check Alignment: Before starting, ensure your button aligns perfectly with the buttonhole or other buttons on the garment for a professional appearance.
  • Vary Your Stitch Pattern: For four-hole buttons, experiment with different stitch patterns (straight lines, X patterns, or diagonal patterns) for decorative effects.

Common Mistakes to Avoid

Understanding what not to do is just as important as knowing what to do. Avoid these common mistakes:

  • Sewing Too Tight: Pulling your thread too tight can damage the button or fabric. Always leave slight tension and use a toothpick for spacing.
  • Using Weak Thread: Single strands or thin thread will break easily. Always use doubled thread for better durability.
  • Insufficient Stitches: Making only a few passes through the button weakens the attachment. Aim for at least 8 to 10 stitches.
  • Skipping the Shank: Wrapping thread around the button-fabric junction creates a protective barrier and strengthens the attachment.
  • Poor Knot Placement: Ensure your starting knot is large enough that it won’t pull through the fabric, and your finishing knot is secure.

Maintenance and Longevity

After sewing your button, take steps to ensure its longevity. Always test your button before considering the job complete by pulling on it gently to ensure it’s secure. When washing garments with newly sewn buttons, button them up for the first wash to reduce stress on the buttons. For garments with precious or difficult-to-replace buttons, consider hand-washing rather than using a washing machine.

Frequently Asked Questions (FAQs)

Q: How much thread should I use when sewing a button?

A: Cut approximately 24 inches of thread and thread it through the needle halfway so both ends are equally long. This creates a doubled thread that is strong and durable for holding your button securely.

Q: What’s the difference between flat and shank buttons?

A: Flat buttons have holes drilled through the face (typically 2 or 4 holes), while shank buttons have a hollow post or shank on the back that you thread through. Shank buttons are often found on formal wear and coats.

Q: Why should I use a toothpick when sewing flat buttons?

A: A toothpick placed between the button and fabric creates proper spacing, preventing the button from being sewn too tightly. This allows easier buttoning and reduces stress on the thread.

Q: How many stitches do I need to make a button secure?

A: Most professionals recommend making 8 to 10 passes through the button holes to ensure the button is securely attached and will withstand regular use and washing.

Q: Can I sew different colored thread than my garment?

A: While it’s best to match your thread color to the garment for invisible stitching, you can use contrasting colors for decorative effects or if an exact match isn’t available. Choose a color slightly darker than the fabric for subtle blending.

Q: How do I prevent my button from falling off?

A: Use doubled thread, make sufficient stitches (8-10 passes), wrap thread around the button-fabric junction to create a shank, and use quality thread like polyester or upholstery thread for durability.

Q: What should I do if I don’t have a toothpick?

A: You can use a matchstick, thin pencil, or any small object that can fit between the button and fabric. The goal is to create proper spacing for easier movement.

Conclusion

Sewing a button is a practical and valuable skill that extends the life of your favorite garments and saves money on clothing repairs. Whether you’re working with flat buttons or shank buttons, following these detailed steps will ensure professional, durable results. With practice, you’ll find that button sewing becomes quick and easy, allowing you to maintain your wardrobe with confidence. Remember to gather your materials, take your time with each step, and don’t hesitate to practice on spare buttons before working on garments you particularly value. With these techniques mastered, you’ll never need to discard a garment simply because it lost a button.