9 Best liquid metal fillers of 2026

Save up to 18% off

Best Choice

1

3M
Bondo Metal Reinforced Filler - High Strength Filler, Can be Drilled and Tapped - Will Not Rust, 15 Fl oz with 0.37 oz Hardener
Main highlights

Reinforced with Aluminum for Extra Strength
The product is reinforced with aluminum, providing exceptional strength and durability. It can be drilled, anchored, or tapped for cosmetic repairs.

Ideal for Auto and Home Repairs
Compatible with metal, fiberglass, masonry, and wood, making it perfect for both auto and home repairs. Fast-dry formula allows for quick sanding.

Easy to Use and Adheres Well
Customers frequently praised the product for being easy to spread and adhere well. Many found it exceptionally strong and easy to sand and paint.
Key specs
- cure time:20 minutes
- size:11.2 Fl Oz
- color:Salmon
- surface:Metal, Fiberglass, Wood
- material:Plastic
9.8

Exceptional

Our Rating

9.9
Easy to use

9.7
Durability

9.3
Simple to use
How do we rank?

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Value for Money

2

3M
Bondo Metal Reinforced Filler - High Strength Filler, Can be Drilled and Tapped - Will Not Rust, 15 Fl oz with 0.37 oz Hardener
Main highlights

Reinforced with Aluminum for Extra Strength
The product is reinforced with aluminum, providing exceptional strength and durability. It can be drilled, anchored, or tapped for cosmetic repairs.

Ideal for Auto and Home Repairs
Compatible with metal, fiberglass, masonry, and wood, making it perfect for both auto and home repairs. Fast-dry formula allows for quick sanding.

Easy to Use and Adheres Well
Customers frequently praised the product for being easy to spread and adhere well. Many found it exceptionally strong and easy to sand and paint.
Key specs
- cure time:20 minutes
- size:11.2 Fl Oz
- color:Salmon
- surface:Metal, Fiberglass, Wood
- material:Plastic
9.6

Exceptional

Our Rating

9.9
Easy to use

9.7
Durability

9.3
Simple to use
3

Permatex

Permatex 25909 Liquid Metal Filler, 3.5 oz.
9.4

Excellent

Our Rating
4

Permatex

Permatex 25909 Liquid Metal Filler, 3.5 oz.
9.2

Excellent

Our Rating
5

J-B Weld
J-B Weld 8276 KwikWeld Quick Setting Steel Reinforced Epoxy - Dark Grey 2 oz
Main highlights

Fast Setting Epoxy
J-B Weld KwikWeld sets in just 6 minutes, curing fully in 4-6 hours for quick, reliable repairs.

Ideal for DIY Projects
Perfect for household, automotive, marine, and craft repairs, offering versatility across various materials.

High Tensile Strength Praised
Customers love its 3127 PSI tensile strength, ensuring robust and lasting repairs.
9.0

Excellent

Our Rating

9.3
Simple to use

9.3
Durability

9.1
lasts a long time
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6

J-B Weld
J-B Weld SteelStik, 1 Hour Cure, Steel Reinforced Epoxy Putty Stick - 2 Pack, Dark Grey (8267-2)
Main highlights

Steel Reinforced Strength
J-B Weld SteelStik offers a tensile strength of 4000 PSI, ensuring robust repairs for metal surfaces.

Versatile Surface Application
Ideal for repairing iron, stainless steel, copper, aluminum, fiberglass, and PVC.

Fast Setting Time
Customers praise its quick 5-minute setting time, allowing for efficient repairs.
Key specs
- cure time:Cures in 1 hour
- size:8.81 x 2.88 x 2.88 inches
- color:Dark Grey
- surface:Iron, Stainless Steel, etc.
- material:Steel Reinforced Epoxy
8.9

Very Good

Our Rating
7

J-B Weld
J-B Weld SteelStik, 1 Hour Cure, Steel Reinforced Epoxy Putty Stick - 2 Pack, Dark Grey (8267-2)
Main highlights

Steel Reinforced Strength
J-B Weld SteelStik offers a tensile strength of 4000 PSI, ensuring robust repairs for metal surfaces.

Versatile Surface Application
Ideal for repairing iron, stainless steel, copper, aluminum, fiberglass, and PVC.

Fast Setting Time
Customers praise its quick 5-minute setting time, allowing for efficient repairs.
Key specs
- cure time:Cures in 1 hour
- size:8.81 x 2.88 x 2.88 inches
- color:Dark Grey
- surface:Iron, Stainless Steel, etc.
- material:Steel Reinforced Epoxy
8.8

Very Good

Our Rating
8

Devcon

Devcon 50345 Metal Patch and Fill - 3 oz., Gray

18% Off
8.7

Very Good

Our Rating
9

vicpricme
Metal Glue - High Strength, Heavy Duty Waterproof Epoxy Adhesive for Metal, Plastic, Ceramic, Wood, Glass. Professional Repair for Automotive, Plumbing, DIY & Construction (1.76oz)
Main highlights

High Temperature Resistant Epoxy
This epoxy glue withstands high temperatures with a cured strength of 4680 PSI, ensuring durability for various applications.

Versatile Repair Solution
Ideal for repairing metal, plastic, wood, and more, making it perfect for automotive, household, and industrial use.

Easy to Use and Effective
Customers praise its ease of use and effectiveness in bonding metals, outperforming similar products like J.B. Weld.
Key specs
- Tensile Strength:4680 PSI
- Volume:1.76oz
- Cure Time:24 hours
- Color:Cured gray
- Set Time:5 minutes
8.6

Very Good

Our Rating

8.2
Simple to use

8.0
worth the money

8.0
Attachment

9 Best liquid metal fillers of 2026

1

Bondo Metal Reinforced Filler - High Strength Filler, Can be Drilled and Tapped - Will Not Rust, 15 Fl oz with 0.37 oz Hardener

9.9

9.7

9.3

How do we rank?

How do we rank?

Analyzing top stores

2

Bondo Metal Reinforced Filler - High Strength Filler, Can be Drilled and Tapped - Will Not Rust, 15 Fl oz with 0.37 oz Hardener

9.9

9.7

9.3

3

Permatex 25909 Liquid Metal Filler, 3.5 oz.

4

Permatex 25909 Liquid Metal Filler, 3.5 oz.

5

J-B Weld 8276 KwikWeld Quick Setting Steel Reinforced Epoxy - Dark Grey 2 oz

9.3

9.3

9.1

6

J-B Weld SteelStik, 1 Hour Cure, Steel Reinforced Epoxy Putty Stick - 2 Pack, Dark Grey (8267-2)

7

J-B Weld SteelStik, 1 Hour Cure, Steel Reinforced Epoxy Putty Stick - 2 Pack, Dark Grey (8267-2)

8

Devcon 50345 Metal Patch and Fill - 3 oz., Gray

9

Metal Glue - High Strength, Heavy Duty Waterproof Epoxy Adhesive for Metal, Plastic, Ceramic, Wood, Glass. Professional Repair for Automotive, Plumbing, DIY & Construction (1.76oz)

8.2

8.0

8.0

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