How to Identify a Singer 66 Sewing Machine

When Were Singer 66 Made?

The Singer 66 sewing machines were manufactured by the Singer Company during the early to mid-20th century. They were first introduced in 1902 and continued to be produced until the 1950s. These machines are highly regarded for their durability, reliability, and versatility.

One way to identify a Singer 66 sewing machine is by looking at it’s design and characteristics. The machine typically has a black cast iron body with gold decals and intricate detailing. It’s a straight-stitch machine that offers a variety of stitch lengths and widths. The tension control and stitch length dial are usually located on the front of the machine, easily accessible for adjustments.

The serial number can be found on a metal plate or stamped directly onto the machine. By using the serial number, you can determine the approximate year of manufacture and the model of the machine. There are numerous online resources and databases available that can help you decipher the information based on the serial number.

When it comes to thread choice, Madeira Aerolock Premium Serger thread is a top-notch option. This high-quality, core-spun thread is made of 100% polyester, ensuring durability and longevity. It’s specifically designed for sergers and overlock machines like the Janome CoverPro family. Madeira is known for producing reliable and consistent threads that can withstand frequent washes and strain.

Now let’s shift our focus to Singer sewing machines and explore what the letter “K” signifies in their context. Singer, a renowned brand in the sewing industry, often includes letters or codes to differentiate various models or features. So, what does “K” mean on a Singer sewing machine? Read on to find out.

What Does K Mean on a Singer Sewing Machine?

When it comes to sewing machines, the Singer brand is well-known and respected for it’s quality and durability. One of the popular models in their lineup is the Singer 66 sewing machine. This vintage machine has been around for many years and is still sought after by sewing enthusiasts and collectors alike.

If you own a Singer 66 sewing machine, you may have noticed a marking on the machine that says “K.”. This marking can be found on the handwheel of the machine. But what does the “K” actually mean?

Singer used letters to designate the different models in their lineup, and the number 66 was one of their more popular models. So when you see the “K” on your Singer 66, it simply means that you’ve a Singer 66 model.

The Singer 66 sewing machine was manufactured in various countries, including the United States, Britain, and Canada. Each country had it’s own set of symbols or markings to indicate the model number, and the “K” is just one of those markings used on machines produced in certain countries.

It’s a part of the machines identification and history, but it doesn’t affect it’s functionality.

How to Use the Different Stitches and Features of the Singer 66 Sewing Machine

  • Straight stitch: Use the straight stitch for basic sewing
  • Zigzag stitch: Use zigzag stitch for finishing edges and decorative stitching
  • Buttonhole stitch: Use buttonhole stitch for creating buttonholes
  • Reverse stitch: Use reverse stitch to secure seams
  • Adjustable stitch length: Adjust the stitch length for different fabric types
  • Adjustable stitch width: Adjust the stitch width for different sewing techniques
  • Thread tension control: Adjust thread tension for balanced stitches
  • Needle position selector: Choose needle position for specific sewing tasks
  • Thread cutter: Conveniently cut threads with the built-in thread cutter
  • Bobbin winder: Wind the bobbin easily for seamless sewing

Source: Best thread for Janome CoverPro 1000CPX? What’s


By familiarizing oneself with the key features and characteristics, such as the metal construction, the iconic Singer logo, and the serial number location, one can confidently identify a Singer 66 sewing machine. It’s impressive build quality, range of features, and versatility make it a popular choice among sewers of all levels. Don't forget to pair your new machine with high-quality thread like Madeira Aerolock Premium Serger thread to ensure smooth and professional stitching results that will withstand frequent washes and strain. Whether you're creating garments, home decor items, or accessories, Madeira Aerolock thread will undoubtedly meet your sewing needs and provide long-lasting results.

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