Selections of off-sizes and construction variations at up to 50% off. No CERTS available for these products
Code Description Image Price Stock  
KEV160NATL02sp Kevlar - Tex 160 - Natural -Type 29 PVA - Nominal 2 Oz Spool - 300 Yards $9.25 2
KEV160NATL04sp Kevlar - Tex 160 - Natural -Type 29 PVA - Nominal 4 Oz Spool - 600 Yards $11.25 3

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Kevlar Thread
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Kevlar thread is heat resistant to 800F. Use up to size 69 in home sewing machines. It is also one of the strongest commercially available threads, but it only comes in yellow.

Fire Retardant Sewing Thread
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Fire Retardant Sewing Thread - Use for sewing fire retardant gear like racing suits, welding apparel, and firefighting gear. Heat resistant to 700F.

Fire Retardant Embroidery Thread
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Fire Retardant Embroidery Thread - Looks and performs like regular embroidery thread. Use it for embroidering names and logos on fire retardant clothing and gear. Heat resistant to 700F.

PTFE Coated Fiberglass Thread
PTFE Coated Fiberglass - Size 12 (Tex 135) - Natural - Nominal 100 Yard Hand Stitching Tube
PTFE coated fiberglass thread is made from continuous fiberglass filaments that are heat resistant, chemical resistant, and strong. The PTFE Coating is heat resistant to 620F. The fiberglass filament has a 1022F operating temperature.

Nomex Thread
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Nomex thread is heat resistant to 700F. Use up to size 69 in home sewing machines. With very few exceptions, it only comes in white.

Needles
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Groz-Beckert Needles with cross reference to other brands, needle size charts, and our exclusive needle / machine use guide.

Nylon Thread
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Polyester Thread
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Nylon and Polyester Thread - Use a heavier weight nylon or polyester thread instead of a lighter weight Kevlar. For example, a Size 138 nylon or polyester thread has about the same strength as a Size 69 Kevlar thread, costs about 80% less, and comes in colors. But, it is twice as thick, not fire retardant, and has 25% elasticity.

Aurifil Cotton
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Cotton thread has a lower heat resistance. It chars, but it does not melt.