Question 1

What metals are the ferrule terminals made from?

Accepted Answer

It appears to be multi layers of black phosphate coated steel.  The cawls are made of a different material.  We use many of them at our factory and they probably crimp 250,000 ferrules a year and we get 4-5 years out of them.  They are easily worth the money--especially with the included ferrules.  I've used mine now for nearly a year and they have been flawless.  No regrets from me. I think Sopoby comes in red and yellow as well and this may indicate different ferrule size range but these work on all I need them for.

Question 2

Are these connectors rated for marine use?

Accepted Answer

The connectors themselves, appear to be made from what looks like an aluminum or stainless steel material. Can’t really tell exactly why it is.

Question 3

Are these ferrules ul approved for use on ac electrical devices?

Accepted Answer

Yes, as far as I know--our systems are all UL approved and we use these in them.

Question 4

Is there a size that fits into breadboard holes (.1" I think)?

Accepted Answer

The holes of a breadboard, like for integrated circuits or 1/4 watt resistors is less than 0.10", I think,  but I don't know what it is.  But integrated circuits and most all breadboard have a distance between the holes of 0.10". In answer to your question, ferrules are available from really small to fairly large and this similar will handle all of them.  The smallest I have is 0.045" outside diameter.  For comparison,  a Male pin for a DB15 or DBDB25 computer connector is about 0.040". I believe the pins are large enough to make adequate connection in a reusable breadboard of the Radio Shack variety. Hope that helps!

ASIN	B07K17VDF2
Best Sellers Rank	#636,932 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,779 in Crimpers
Brand	Sopoby
Brand Name	Sopoby
Color	Blue W/ 1200pcs Ferrules
Customer Reviews	4.7 out of 5 stars 1,286 Reviews
Grip Type	Ergonomic
Handle Material	Nylon
Item Dimensions L x W	5.3"L x 9.8"W
Item Weight	0.74 kg
Manufacturer	Sopoby
Manufacturer Part Number	Sopoby-NA
Model Number	Sopoby-NA
Product Dimensions	5.3"L x 9.8"W
Unit Count	1 Count

Sopoby Ferrule Crimping Tool Kit AWG 28-8 Self-adjustable Ferrel Crimper Kit with 1200PCS Electrical Wire Terminals Crimp Connectors

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