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Semperfli

Semperfli Nano Silk 100D 6/0 Copper Spool

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

100d Fly

Tying thread designed for professional

6/0 Aught

Rating supports heavy loads without

Listed Breaking

Strain is 3.8 kg, or

Supplied Spool

50 meters of thread

Copper Color

Option in the Nano 100D

$4.99
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SKU: SNAN100CPR-886741043069

Overview

Built for fly tyers who want a dependable thread for detailed work, this spool is suited to tying robust flies with a clean, controlled finish. The 100D construction and 6/0 rating are presented here as a strong, abrasion-resistant option with a stated breaking strain of 3.8 kg, making it a practical choice for predator fly patterns and other demanding ties. The copper color adds a specific tying option within the Nano 100D line, while the 50-meter spool format keeps it ready for repeated bench use. It is aimed at serious tying sessions where consistency and strength matter more than flashy presentation.

Why Hunters Choose the Semperfli

100d Thread

Strong knot strength for fly

6/0 Aught

Rating supports heavier tying loads

Professional Fly

Tyers seeking robust, long-lasting flies

Copper Color

Suits predator fly patterns and

50-meter Spool

Practical thread length for multiple

Key Features

  • 100D fly tying thread designed for professional fly tyers.
  • 6/0 aught rating supports heavy loads without breaking.
  • Listed breaking strain is 3.8 kg, or 8.4 lb.
  • Supplied on a spool with 50 meters of thread.
  • Copper color option in the Nano 100D product family.
  • Suitable for tying predator flies.

Best Used For

  • Fly tyers building predator patterns that need a strong, durable tying thread.
  • Professional tiers wanting a 100D, 6/0 thread for secure fly construction.
  • Anglers tying flies that require higher breaking strain during the tying process.
  • Anyone looking for a copper-colored spool for specific fly pattern work.

Specifications

Aught6/0
Breaking Strain Imperial8.4lb
Breaking Strain Kg3.8kg
Denier100D
Length In Meters50
Product Delivery PackageSpool
Product FamilyNano 100D
Qty Carton12
Vendor ColorCopper

Pros

  • 100D thread offers strong knot strength for fly tying applications
  • 6/0 aught rating supports heavier tying loads without breaking
  • Designed for professional fly tyers seeking robust, long-lasting flies
  • Copper color suits predator fly patterns and other color-specific builds
  • 50-meter spool provides practical thread length for multiple projects

Considerations & Trade-offs

  • At 50 meters per spool, this is a practical but not especially large supply for tyers working through multiple patterns or frequent bench sessions.
  • The copper color is well suited to specific fly designs, but it is a narrower choice than a neutral tying thread if you need broad versatility.
  • The 6/0, 100D construction is built for strength, which may be more thread than needed for very fine or delicate tying work.
  • This product is focused on predator flies and general robust tying applications, so it may not be the most specialized option for ultra-fine presentation patterns.

Suggested Comparisons

  • Fly tying thread
  • Fly tying materials
  • Predator fly tying supplies

Suggested Accessories

  • Thread spool
  • Fly tying bobbin
  • Fly tying scissors
  • Fly tying vise

Frequently Asked Questions

What is this thread intended for?

It is a fly tying thread from Semperfli, described as a high-performance option for professional fly tyers. The product text also notes it is suitable for tying predator flies.

How much thread is on the spool?

The listed length is 50 meters.

What size or rating is this thread?

The thread is listed as 100D with a 6/0 aught rating.

What is the breaking strain?

The provided specifications list a breaking strain of 3.8 kg, or 8.4 lb.

What color is this spool?

The vendor color is Copper.