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Welcome to The Thread Exchange
Nylon Thread - Ten Sizes - Over 100 colors in popular sizes.
- Strong, durable, and easy to use.
- Great for fabric, leather, canvas and vinyl.
- Works with home machines up to Size 69.
- Buy what you need - Single small spools, large spools and cases.
Polyester Thread - Nine Sizes - Great for outdoor use.
- Looks and feels like nylon thread with comparable strength, durability, and ease of use.
- Better UV (sunlight) resistance. Preferred for outdoor things like tents, outdoor banners and awnings.
- Works with home machines up to Size 69.
- Buy what you need - Single small spools, large spools and cases.
Kevlar (TM) Thread - Our strongest thread.
- About 2.5 times stronger than nylon and polyester.
- Withstands temperatures up to 800F. Does not melt.
- Low stretch at 2%.
- Buy what you need - Single spools, large and smaller - Call for case pricing.
Machine Needles - Over 2,000 Groz-Beckert and Schmetz selections.

Needles
Needles Information
Thread To Needle Size Chart
Machine To Needle Reference
Groz-Beckert Publications
- Find the needles you need in one place.
- Machine To Needle Reference.
- Sequenced needle systems for harder to find needles.
- Thread to needle size chart.
- New - Needles for shoe patcher machines.
Prewound Bobbins - Save time / fewer skipped stitches.
- Full-gross (144), half-gross (72), and packs of 12 for smaller jobs.
- Styles A (Class 15), G, L, M, and U - Other styles on closeout.
- Wide selection of half-price bobbins.
- Find the right bobbin for your machine.
Monofilament Thread - Also called invisible nylon thread.
- Similar texture to fishing line, but thinner.
- Comes in 9 sizes from ultra-thin size .004 to sturdy-size .012.
- Small spools in sizes .005 to .012.
- 1.5 Lb. canisters in all sizes - Case quantities available.
Bag Closing Thread - FDA Compliant.
- Use to seal paper, polypropylene, cotton and jute bags.
- Also a strong, inexpensive, and knot free thread.
- Comes in 4-ply and 5-ply thicknesses.
- Available as 8-Oz, 5-Lb, and 20-Lb cones.
Fire-Resistant (FR) Thread - Nomex, Kevlar, PTFE Fiberglass thread for high-temperatures.

Fire-Resistant (FR) Thread
About Fire-Resistant Thread
PTFE Fiberglass information
Kevlar Thread information
FR Thread to Needle Size
- Heat-resistant threads for gear and apparel - used by first responders, military, motorsports, welders, and other high-heat applications.
- Spun Nomex and spun Kevlar protect to 700F (366C); bonded and soft filament Kevlar to 800F (427C); PTFE-coated fiberglass to 1022F (550C).
- Use lightweight threads for garments; heavier threads for protective equipment.
- Most threads are available in both small and large spools.