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Three-quarter view of Uni 6/0 Thread showcasing pink 200-yard spool with a white background
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Front view of Uni 6/0 Thread spool in Olive Dun, showing 200 yards of thread on a white background
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Front three-quarter view of Uni 6/0 Thread spool showcasing black thread and 200-yard capacity with white background
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Front view of Uni 6/0 Thread spool showcasing camel-colored thread on a white background
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Front view of Uni 6/0 Thread spool showcasing dark brown thread and 200 yard label on a white background
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Front view of Uni 6/0 Thread spool showcasing gray thread and 200 yards with a white background
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Front view of Uni 6/0 Thread showcasing green thread on a spool with a white background
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Angled view of Uni 6/0 Thread spool showcasing olive polyester thread and 200 yards on a white background
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Front view of Uni 6/0 Thread spool showcasing orange thread and 200 yard capacity with a white background
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Front view of Uni 6/0 Thread showcasing the Lt. Cahill color on a 200 yard spool with a white background
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Front three-quarter view of red UNI Thread 6/0 spool showcasing 200 yards of thread on a white background
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Front view of Uni 6/0 Thread spool showcasing rust brown thread and 200 yard capacity on white background
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Front view of tan UNI-Thread 6/0 spool showcasing 200 yards of fly-tying thread on a white background
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Front view of Uni 6/0 Thread spool showcasing wine-colored thread and 200-yard capacity on a white background
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Angled view of a yellow UNI-Thread 6/0 spool showcasing 200 yards of thread with a white background
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Front view of Uni 6/0 Thread spool showcasing brown thread and 200-yard capacity against a white background
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Three quarter view of Uni 6/0 Thread spool showcasing white thread and 200 yard length on a white background
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Angled view of UNI 6/0 Thread spool showcasing purple thread and 200 yards on a white background
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Angled view of Uni 6/0 Thread spool showcasing Doc Blue thread and 200-yard length on a white background
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Angled view of Uni 6/0 Thread showcasing chartreuse thread on a 200-yard spool with a white background
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Home | UNI Products

Uni 6/0 Thread

checkmark in a circle In Stock • Bozeman, MT
Price:
$5.00
Color Option: Pink
qty: 20 Available
qty
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Description

UNI-Thread is one of the most trusted and widely used fly tying threads in the world, valued for its strength, smoothness, and consistency. Made from continuous twisted polyester filaments, it lays flat and doesn't fray like many flat threads. It is lightly waxed and comes on 200yd spools. 6/0 is a good all purpose size.

Size Guidance:

  • 8/0: Best for small dry flies, midges, and delicate patterns where a fine thread is required.

  • 6/0: The workhorse size—ideal for most nymphs, streamers, medium-to-large dry flies, and general trout flies. Strong enough to secure bulky materials like deer hair, hackle, and dubbing loops while still thin enough for clean heads.

  • 3/0: Heavier, stronger thread designed for large streamers, saltwater patterns, and bass or pike flies. Provides the strength needed to bind down big, buoyant, or slippery materials such as bucktail without risk of breaking.