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Best Plastic Putty Knives of 2026

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Howard Chester

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Plastic putty knives are a versatile tool that can be used for a variety of tasks. They are typically made from durable plastic materials that can withstand wear and tear. These knives are commonly used for applying and smoothing putty, spackling, and other materials to walls and surfaces. They are also useful for scraping away old paint or wallpaper. Plastic putty knives are an affordable and practical option for both homeowners and professionals. They come in a range of sizes to suit different applications and are easy to clean and maintain.

At a Glance: Our Top Picks

Top 10 Plastic Putty Knives

#TOP 1

Bates- Putty Knife Set, 6 Pack

Bates- Putty Knife Set, 6 Pack Cover

Bates 6 Pack Plastic Putty Knife Set - Paint Scraper, Spackle Tool, Spreader

The Bates- Putty Knife Set, 6 Pack is a great alternative to metal knife options. The set includes six different sizes ranging from 1.5" to 6" inches, making it easy to find the perfect size for your needs. The plastic scrapers are flexible and solvent resistant, making them perfect for spackling, patching, and painting. The Bates Putty Knifes set is a great addition to any DIY toolkit.

9.9
FTB Score

What We Like

  • Various sizes included
  • Versatile for many tasks
  • Sturdy and flexible plastic
  • Comfortable grip
  • Affordable price
#TOP 2

LifHap Plastic Putty Knife Set

LifHap Plastic Putty Knife Set Cover

3 Pcs Putty Knife,Flexible Plastic Paint Scraper Tool for Spackling,Spreader, Spackle, Putty Knife Scraper, Tamale Spreader Tool 3-Pack: 1-1/2", 3", 6", 3 Pcs Putty Knife

The LifHap Putty Knife Set includes three versatile sizes—1.5", 3", and 6"—made from durable plastic. These knives are great for various tasks like spackling, patching, and painting, providing an excellent alternative to metal options. If you're preparing homemade tamales, these tools will help you spread dough easily and efficiently. Additionally, carpenters and handymen will appreciate their suitability for slab and tile jobs, making projects more manageable. Lightweight and easy to handle, this set is also perfect for artists working on large canvases or simple crafts, allowing for seamless application of different mediums.

9.8
FTB Score

What We Like

  • Flexible blade design
  • Multiple size options
  • Easy to clean
  • Scratch-resistant material
  • Affordable price

6 Pack Putty Knife Set for Spackling and Painting

6 Pack Putty Knife Set for Spackling and Painting Cover

6 Pack Putty Knife, Flexible Plastic Paint Scraper Tool for Spackling,Putty Knife Set, Spreader, Spackle Tool, Plastic Putty Knife Scraper, Scraper Tool, Putty Scraper

This 6 Pack Putty Knife Set includes six different sizes of flexible plastic paint scraper tools, ranging from 1.5" to 8" inches, making it convenient for both professionals and DIYers. The holes in each handle make for easy storage on any nail or pegboard. Made of 100% polypropylene, the putty knife is solvent-proof and durable. It's perfect for spackling, patching, and painting and is an excellent alternative to metal knife options.

9.6
FTB Score

What We Like

  • Includes six different sizes
  • Flexible plastic material
  • Holes in each handle for easy storage
#TOP 4

Beyotool Putty Knife Set

Beyotool Putty Knife Set Cover

Putty Knife, 4Pcs Spackle Knife Set (2, 3, 4, 5 in), Stainless Steel Paint Scraper, Taping Knife Tool for Repairing Drywall, Removing Wallpaper, Applying Putty, Plaster, Cement, Adhesive

The Beyotool Putty Knife Set is a great choice for home improvement projects. This set includes four stainless steel blades with rubber handles for a comfortable grip. The blades are rust-resistant and come in four different sizes, making them perfect for applying putty, plaster, cement, adhesives, and more. Customers have praised the high-quality materials and beveled edges, making this set a great value for the price.

9.6
FTB Score

What We Like

  • Multiple size options
  • Good value for price
  • Sturdy handles
  • Flexible stainless blades
  • Useful for various projects
#TOP 5

Rerdeim 5Pcs Putty Knife Set

Rerdeim 5Pcs Putty Knife Set Cover

Rerdeim 5Pcs Putty Knife, Set, 1" 2" 3" 4" 5" Scraper, Spackle Knife, Paint Scraper, Scraper Tool, No Rusting, Perfect For Repairing Drywall, Removing Wallpaper, Mud, Plaster Scraping

The Rerdeim 5Pcs Putty Knife Set is a great choice for any DIYer. This set includes five different sizes of putty knives, each made of high-quality stainless steel that won't rust or corrode. The handles are a combination of soft rubber and plastic for a comfortable grip, and the blades are sharp and precise. This set is perfect for repairing drywall, removing wallpaper, decals, mud, and plaster scraping. Customers have praised the quality and value of this set.

9.6
FTB Score

What We Like

  • Sturdy and durable build
  • Comfortable ergonomic handles
  • Variety of blade sizes
  • Great value price
  • Blades don't bend easily
#TOP 6

Red Devil 4718 3-Piece Plastic Knife Set

Red Devil 4718 3-Piece Plastic Knife Set Cover

Red Devil 4718 3-Piece Plastic Putty Knife Set, Scraper Tool, Spackle & Paint, 1-Pack

The Red Devil 4718 3-Piece Plastic Knife Set is an economical alternative to metal knife options, providing strength and flexibility. This set includes 1 1/2" Putty Knife, 3" Spreader & 6" Taping Knife, perfect for repairs and projects. Disposable once the project is complete, this set is a great value.

9.5
FTB Score

What We Like

  • Easy to use and clean
  • Sturdy and durable
  • Versatile for various tasks
  • Gentle on wood and drywall surfaces
#TOP 7

OXDFK 6-Pack 2-Inch Flexible Plastic Putty Knives

OXDFK 6-Pack 2-Inch Flexible Plastic Putty Knives Cover

6 PCS Plastic Putty Knife, 2 Inch Black Flexible Putty Knife Scraper, Used for Repairing Walls, Pasting Plaster, Scraping Putty Plastic Putty Knife Scraper

The OXDFK Flexible Putty Knives come in a convenient set of six, giving you plenty of tools for daily repair tasks. Their flexible design makes spreading putty or paint easier, allowing you to control the application smoothly and accurately. Thanks to the beveled blade, you can efficiently scrape and smooth surfaces with precision. These knives are versatile, perfect for a variety of DIY jobs like window caulking, removing loose paint, or applying drywall compound. Overall, these putty knives help you get your repair and finishing work done neatly and with less effort.

9.3
FTB Score

What We Like

  • Flexible blade design
  • Beveled edge for smooth application
  • Multi-purpose use
  • Value pack of six
#TOP 8

Red Devil 4712 Putty Knife

Red Devil 4712 Putty Knife Cover

Red Devil 4712 2" Plastic Putty Knife

This Red Devil Putty Knife is perfect for all-purpose use. The 2" wide knife is made from durable and solvent-resistant plastic. It is also disposable, which makes cleaning it up afterwards an easy task.

9.3
FTB Score

What We Like

  • Durable and solvent-resistant plastic material
  • 2" wide knife suitable for all-purpose use
  • Disposable quality makes cleaning up easy
#TOP 9

Smafixt Putty Knife Scraper Set 2" & 4"

  • Smafixt
  • Putty Knife-1
Smafixt Putty Knife Scraper Set 2" & 4" Cover

Smafixt Putty Knife Scraper Set, 2" 4" Spackle Knife 2Pack, Stainless Steel Paint Scraper for Drywall Repairing and Clearing, Wallpaper Removal, Putty Applying, Plaster Scraping

The Smafixt Putty Knife Set offers two handy sizes, 2 and 4 inches, so you have the right tool for a variety of tasks without cluttering your workspace. These knives are perfect for smoothing and repairing surfaces like drywall, plaster, and even removing wallpaper, making your home projects easier. The stainless steel blades are made to last, resisting rust and cleaning up quickly after use. Plus, the thick, ergonomic handles fit comfortably in your hand, reducing strain and helping you work longer with less fatigue. This set is designed to make your repair and scraping jobs more efficient and comfortable.

9.3
FTB Score

What We Like

  • Two convenient sizes
  • Versatile usage
  • Durable stainless steel blades
  • Ergonomic comfortable handles
#TOP 10

XZZWLL 6-Pack Plastic Putty Knife Set

  • XZZWLL
  • putty knife set
  • Black
XZZWLL 6-Pack Plastic Putty Knife Set Cover

6 Pack Plastic Putty Knife, Durable Plastic Scraper Tool with No-Slip Grip for Spackle, Spreader, Non Scratch and Easy Cleaning Spackle Knife, Putty Knife Set, Black

The XZZWLL Plastic Putty Knives come as a set of six blades ranging from 1.5" to 8", giving you the right tool for any job, whether it's filling small holes or smoothing large surfaces. Made from tough, flexible plastic, these putty knives resist breaking and adapt to wall curves without damaging them, making your work smoother and more precise. They’re versatile, perfect for spackling, scraping paint, removing wallpaper, or cleaning adhesives, so you can tackle many home repair tasks with one kit. Plus, each knife has a comfortable, non-slip handle with a hole for easy hanging, helping you keep a firm grip and organized workspace.

9.3
FTB Score

What We Like

  • Variety of blade sizes
  • Durable, flexible plastic blades
  • Multi-purpose use
  • Ergonomic, non-slip handles
  • Convenient hanging holes

Frequently Asked Questions (FAQs)

1. Are plastic putty knives any good?

Plastic blades are often disposable and do not stand up well to continued use. A better-constructed blade is made from ground and polished carbon steel. However, although the carbon steel is more durable, it may rust if not properly maintained. The premium version of a putty knife blade is made of stainless steel.

2. What are putty knives called?

A spackle knife (called a scraper in British English, also known as a spatula in American English) is also commonly called a "putty knife", and is used for scraping surfaces or spreading material such as plaster in various construction trades.

3. What do you use putty knives for?

Chances are you have one or more standard putty knives in your toolbox. Putty knives are used to apply putty or surfacing compound into cracks and nail holes, patch divots with wood filler, and spread drywall mud into drywall joints and seams. Putty knives come in a variety of sizes.

4. Are putty knives flexible?

flexible putty knife features a hollow ground carbon steel blade that offers the highest durability and quality finish. The flexible blade easily bends to provide smooth and easy application of filler compound to patch and repair cracks, holes, or scratches prior to painting.

Editor's Notes

During our plastic putty knives research, we found 24 plastic putty knives products and shortlisted 10 quality products. We collected and analyzed 110,728 customer reviews through our big data system to write the plastic putty knives list. We found that most customers choose plastic putty knives with an average price of $6.80.

The plastic putty knives are available for purchase. We have researched hundreds of brands and picked the top brands of plastic putty knives, including Bates Choice, Harniruco, Beyotool, Rerdeim, Red Devil. The seller of top 1 product has received honest feedback from 3,462 consumers with an average rating of 4.9.

Written by

Howard Chester Avatar

Howard Chester

Howard Chester is an architect from New York who holds a master's degree in architectural design, his passions for interior design and home improvement contribute to his extensive knowledge of all things furniture and home goods. Howard Chester Specializes in various architectural and interior design projects. He often publishes articles related to decoration on key websites and interior design magazines.