It’s Thread Month at Keyston Bros, which means huge discounts on thread and bobbins, plus a chance to win a Consew sewing machine.
But Thread Month isn’t just about discounts and giveaways — it’s about education too.
While leather, vinyl and fabric get the attention, it’s thread that actually holds the job together. Choose the wrong thread and you’re risking weak seams, failed stitches, premature wear, and unhappy customers. Choose the right one, and your work will hold up for years.
That’s why Keyston Bros is spending the month helping shops better understand the different thread options available and where they perform best. Whether you’re stitching automotive interiors, marine seating, furniture, or outdoor products, selecting the right thread can make all the difference in the finished product.
And if you happen to make a qualifying purchase from Keyston Bros — including five or more spools of thread, five or more boxes of bobbins, and select Neptune PLUS or Neptune Vinyl products — you’ll also be in the drawing to win a Consew 206RB-5 industrial sewing machine.
Not bad for restocking supplies your shop probably needs anyway.
To help you make the right choice on your next project, Keyston Bros put together the following guide to upholstery thread:
Nylon Thread: Strong and Flexible
Nylon thread is known for its strength and elasticity, making it a popular choice for automotive upholstery and heavy-duty sewing applications.
Best For:
- Automotive seats
- Door panels
- Headliners
- Vinyl upholstery
- Heavy canvas
Keyston Bros Recommendations:
- Heavier- Duty Option
- Ideal for automotive interiors and furniture applications
- Higher tensile strength for demanding projects
- Excellent for standard automotive upholstery
- Designed for automotive OEM color matching
- Produces clean, consistent stitches
- Good Flexibility and strength
Keep in mind: Nylon offers excellent strength but has lower UV resistance than polyester, making it less suitable for long-term outdoor exposure.
Polyester Thread: The Most Versatile Choice
Polyester thread combines strength with superior UV resistance, making it one of the most versatile thread options available.
Best For:
- Automotive seats
- Marine applications
- Outdoor furniture
- Awnings and covers
- Decorative stitching
Keyston Bros Recommendations:
- Excellent UV and moisture resistance
- Built to withstand extreme weather conditions
- Great for outdoor furniture, boat covers, and awnings
- Premium polyester thread with a wide color selection
- Continuous filament construction with seamless stitch formation
- Popular for luxury automotive interiors and furniture
- Engineered specifically for UV exposure
- Excellent choice for convertible tops, marine canvas, and awnings
- Maintains color and strength under direct sunlight
- Bonded polyester sewing thread
- Keyston Bros exclusive
- Great price point option
PTFE Thread: Maximum Outdoor Durability
When a project will face extreme sunlight, moisture, chemicals, or saltwater, PTFE thread is often considered the gold standard.
Best For:
- Marine canvas
- Boat covers
- Sails
- Commercial awnings
- Long-term outdoor installations
Keyston Bros Recommendations:
- Exceptional UV resistance
- Resistant to chemicals, mold, and salt spray
- Designed for the harshest outdoor environments
Decorative Threads: Designed to Stand Out
Sometimes the thread isn’t meant to blend in—it’s meant to become part of the design.
Best For:
- Contrast stitching
- Luxury automotive interiors
- Steering wheels
- Custom upholstery accents
Keyston Bros Recommendations:
- Designed for visual impact
- Available in colors that create bold stitching details
- Popular in custom automotive interiors
Whether you’re building automotive interiors, marine upholstery, furniture, or outdoor products, thread selection deserves the same level of consideration as the material you’re sewing.
If it’s been a while since you’ve evaluated the thread products your shop uses, Thread Month is a great time to do it. After all, the best upholstery jobs aren’t just defined by what customers see — they’re held together by what they don’t.
To restock your inventory of premium upholster thread, visit www.keystonbros.com. You can also follow them on Facebook and Instagram.





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