Will this work with a cheap 90 amp harbor freight

It works better than the wire that came with my HF welder. I did upgrade the wire feeder with one I found on Amazon. Also, I am using a 0.030 tip instead of the 0.035 that came with the machine. Machine is 8 years old and runs better now than when it was new.

can I use this with my 125 amp flux core welder from harbor freight

Danny, This wire would be perfect to run in your flux core welding machine! Thank you for your question.

can I use this to solder?

By solder you mean electronics? Like motherboards and so? You dont need shade for that but i am sure you can use an auto darkening helmet since it is clear it will stay that way

What is the diameter of the center hole.

I believe .030/.8mm and .035/.9mm

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Forney 42300 Flux Core Mig Wire, Mild Steel E71TGS.030-Diameter, 2-Pound Spool, Silver, Pack of 1

Forney 42300 Flux Core Mig Wire, Mild Steel E71TGS.030-Diameter, 2-Pound Spool, Silver, Pack of 1

Product ID: 255923173

Details

Brand
Forney
Colour
silver
Finish type
Unfinished
Item weight
2 Pounds
Material
Mild Steel

💨Perfect for windy outdoor conditions

🔥Runs hotter than solid wires

⚙️All-position self-shielded flux core

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€ 61.95

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Description

⚡ Weld like a pro, rain or shine—no gas needed!

HIGH HEAT PERFORMANCE - Runs hotter for faster, cleaner welds with less spatter
RUST PAINT FRIENDLY - Self-shielded wire excels on rusty, dirty, or painted mild steel
COMPACT READY TO USE - 2-pound spool designed for single-pass, high-speed applications
ALL POSITION VERSATILITY - Works seamlessly on vertical, horizontal, and overhead welds
WEATHER RESISTANT WELDING - Ideal for outdoor use—even in windy conditions

The Forney 42300 Flux Core MIG Wire is a premium .030-inch diameter, 2-pound spool of self-shielded mild steel welding wire. Engineered for all-position use, it delivers a tensile strength of 79,000 PSI and excels in single-pass, high-speed welding—even on rusty or painted surfaces. Perfect for outdoor and windy environments, this flux core wire requires no external shielding gas, making it a reliable choice for professionals seeking efficiency and durability.

Specifications

ASIN	B0009ZH7KW
Best Sellers Rank	#40,074 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #109 in Welding Equipment
Brand Name	Forney
Color	silver
Customer Reviews	4.6 4.6 out of 5 stars (6,075)
Finish Type	Unfinished
Global Trade Identification Number	00032277423008
Grade Rating	Industrial
Included Components	Forney 42300 Flux Core Mig Wire, Mild Steel E71TGS, .030-Diameter, 2-Pound Spool
Item Diameter	0.03 Inches
Item Dimensions	96.5 x 10.2 x 10.2 centimeters
Item Form	Tubular
Item Shape	Cylindrical
Item Thickness	0.03 Inches
Item Type Name	Forney 42300 Flux Core Mig Wire, Mild Steel E71TGS, .030-Diameter, 2-Pound Spool
Item Weight	907 g
Manufacturer	Forney
Material	Mild Steel
Model Number	42300
Number of Items	1
Part Number	42300
Tensile Strength	79 Pounds Per Square Inch
UPC	032277423008
Unit Count	1 Count

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