SKU: 60788411278

SemperFli Nano Silk 50D 12/0 Bulk 250m Spool

Sale price$9.86 Regular price$10.95
Save 10%

Pay in installments of $2.74 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

SemperFli Nano Silk 50D 12/0 Bulk 250m SpoolNano Silk 50D 12 0 Bulk 250m Spool Nano Silk 50D 12 0 Bulk 250m Spool is regarded as the tying thread of choice of professional fly tiers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it has endless possibilities and can be used for micro flies to large flies. Nano Silk 50D 12 0 Bulk 250m Spool is ideal for your smaller flies and the 50d, also known as 12 0, having a

Nano Silk 50D 12/0 Bulk 250m Spool

Nano Silk 50D 12/0 Bulk 250m Spool is regarded as the tying thread of choice of professional fly tiers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it has endless possibilities and can be used for micro flies to large flies.

Nano Silk 50D 12/0 Bulk 250m Spool is ideal for your smaller flies and the 50d, also known as 12/0, having a wide range of colors in it, there is plenty of choice for you.

Super strong, this is the highest quality thread available. Never worry about snapping your tying thread again – you can rely on Nano Silk.

50d is also known as 12/0 is the go to GSP thread. Nano Silk 50D 12/0 Bulk 250m Spool has all the strength you would expect from this premier thread. It is 10 times stronger than steel of the same diameter! Nano Silk 50D 12/0 Bulk 250m Spool is fine enough for size 16 to 32 flies whilst still retaining its strength. Although Nano Silk 50D 12/0 Bulk 250m Spool is a fine thread it can be split down further if required so dubbing making dubbing much easier!

Nano Silk 50D 12/0 Bulk 250m Spool is designed for flies sizes 8 to 16, the ideal for most fly tiers. However do not be fooled because of Nano 50D thin diameter, Nano Silk 50D 12/0 Bulk 250m Spool is stronger than 6/0 polyester thread yet is less than 1/20th of the diameter. As a result it can be used for any fly where you do not want to see your thread.

Because Nano Silk lays perfectly flat you get no thread build up. Indeed check out our Youtube video where we put 100 wraps on a hook and still had no head buildup!

  • 12/0 50 denier thread
  • Breaking strain 1,900gm / 4.2lb
  • perfect on hook sizes 6 to 16
  • Lays perfectly flat with no build up, regardless of how many loops you put on the hook
  • 10 times stronger than steel of the same diameter

Pro Tips:
1 -
rotate anti-clockwise to untwist and lay perfectly flat. With just 2 or 3 light wraps of Nano Silk over foam you can then tighten and tie in foams or materials that would cut easily.
2 – use white Nano Silk and simply color the last 4 inches (100mm) of thread for heads in a visible color

Not all GSP threads are the same as strength tests show. Nano 50D is available in black and white, with 100 meters on each spool or 50m for colored Nano 50D. We use the highest quality materials to ensure that there are no tangles and that it produces the smoothest and strongest GSP on the market in each size band. Search for Global Fly Fisher Thread Chart to see independent evidence!.

There are 250m / 273 yards (approx ) per bulk pack of Nano Silk 50D 12/0 Bulk 250m Spool

Coming in a bulk bulk pack this is perfect for volume or commercial tiers

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 60788411278

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.3 ★★★★★
Based on 23 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
R
Verified Purchase
RON HAGGIN
Grantham, US
★★★★★ 5
Pass Again
Size: 1 Count (Pack of 1)
This product never fails (no pun intended), I have been using this for the last 10 years my car has never failed a smog test. I highly recommend this and that you use it correctly. You will not be disappointed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
N
Verified Purchase
NightOwl007
Cuba, US
★★★★★ 5
Really Helps-Especially for Star Station Tests-Haven’t Failed Since Using in Two Older Vehicles
Size: 1 Count (Pack of 1)
Ever since the new CA State mandate that older cars and trucks have to go to a Star Emissions Station for their smog check I have become very familiar with Guaranteed to Pass. The first year of getting smogged under the new regulations my 1995 truck barely failed. It’s a tougher series of tests and it really sucks to have to pay more for a smog test that is designed to get older cars and trucks off the road that would normally pass a regular smog check. It came at a bad time, having just been laid off and losing my health insurance and income and trying to figure how to come up with money for truck repairs to get my registration renewed so I could be a viable job candidate in the really bad job market of a few years back (and still today, may I add.) But that is a whole other issue that gets my blood boiling. So back to my experience with Guaranteed to Pass. My 1995 Ford Truck barely failed and I mean barely according to the emission numbers so I had the manifold cleaned out, used premium gas for a tank and added Guaranteed to Pass. Having two gas tanks was handy as I could switch the tank to a fresh tank without the remainder of the additive in it for the retest. It passed with flying colors. So for our other older 1993 mini-van and the truck in the few successive years since I always run the premium gas with Guaranteed to Pass in the tanks before the smog check. We’ve had the van and truck tested 3-4 times combined since and they pass every time. So I’m sold on Guaranteed to Pass and will vouch for it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 14, 2016
M
Verified Purchase
Muy buenos, pero….
New York, US
★★★★★ 5
Excellent quality
Color: Black
Fits perfectly to my bmw x3 2017 2.0L
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
E
Verified Purchase
Ernestooo
Carnegie, US
★★★★★ 5
No more struggling on n54 oil filter cap!
Color: Black, Color: Black
First of all, this is a lifesaver. Getting the oil filter cap on the bmw N54 is a pain to tighten. I can not stress it enough. However this oil filter cap is most definitely the best purchase i have ever made during the oil change process. Before i bought it i damaged my oil filter cap because i didn't have the correct wrench and had to use big pliers to tighten it. Im glad i made this purchase, it’s affordable, good quality, super easy to use, grips the cap well, looks nice and clean, and works extremely well overall. This makes my life owning a N54 powered BMW much more convenient, especially as a DIY’er. I would 100% recommend this product, 5/5 stars.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 18, 2025
J
Verified Purchase
Jocelyn Renteria
San Leandro, US
★★★★★ 5
I recommend for those who know
Color: Black
MYHusband does my 2015 bmw x5 oil change usually it’s an extra charge for this piece to get this done at the mechanics So he orders it through Amazon and gets the oil changed in no time no extra charge. Works great. Fits perfectly. Amazing quality. Worth the money. Easy installation finish the job quick
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2025

recommand products