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Dexter 7-Inch Narrow Fillet Knife vs Dexter 6-Inch White Boning Knife: Spec Comparison

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This guide compares the dexter dexter russell 7 narrow fillet vs dexter russell 31620 6 boning. Both tools are white-handled knives made by Dexter. They share high-carbon stainless steel blades. The main difference is the blade shape. The fillet knife has a narrow, flexible blade for fish. The boning knife has a shorter, stiffer blade for meat. You choose based on whether you need precision filleting or bone removal.

Key differences

AspectDexter 7-Inch Narrow Fillet KnifeDexter 6-Inch White Boning Knife
Knife TypeFilletBoning
Blade Length7 in6 in
Blade ProfileNarrowNot listed
Blade Thickness0.21 inches0.3 inches
Weight3.68 ounces3.2 ounces

Which one should you choose?

Choose Dexter 7-Inch Narrow Fillet Knife if

  • You need a longer blade to reach deep into large fish.
  • You want a narrower blade profile for precision filleting.
  • You prefer a slightly heavier knife for stability.

Choose Dexter 6-Inch White Boning Knife if

  • You need a stiffer blade for working around bones.
  • You prefer a lighter knife for detailed work.
  • You want a shorter blade for better control in tight spaces.

Verdict: The 7-inch fillet knife suits you if you primarily process fish and need a longer, narrower blade. The 6-inch boning knife is better for meat preparation where stiffness and a shorter reach are helpful. Both offer durable high-carbon stainless steel construction.

Fillet vs Boning Knife Specs

Blade Material

Edge: Tie

Both knives share the same core material: high-carbon stainless steel. Product A lists this in its key specs and features, noting it offers superior edge retention and corrosion resistance. Product B is described as durable and stain-resistant, which aligns with the high-carbon stainless construction typical of the Dexter-Russell line. This material choice means you get a blade that stays sharp longer than standard carbon steel while resisting rust. Neither product lists a specific steel grade or hardness rating, so you are relying on the general benefits of this alloy family for both tasks.

Blade Profile

Edge: Tie

The shape defines the primary use for each tool. Product A is a 7-inch narrow fillet knife, designed with a slender blade for precision work on fish or poultry. This narrow profile allows you to navigate around bones with minimal waste. Product B is a 6-inch boning knife, which typically features a wider, stiffer blade to handle the heavier work of separating meat from bone. The fillet knife’s narrowness aids in delicate slicing, while the boning knife’s broader base provides the leverage needed for tougher cuts. Your choice depends on whether you prioritize precision or power.

Blade Thickness

Edge: Dexter 7-Inch Narrow Fillet Knife

Thickness affects flexibility and strength. Product A has a blade height of 0.21 inches, making it thinner. This reduced thickness contributes to the flexibility needed for filleting, allowing the blade to bend along the contours of fish bones. Product B is thicker at 0.3 inches. This extra material provides rigidity, which is essential for a boning knife to withstand the pressure of cutting through joints without bending or breaking. If you need a blade that flexes, Product A is the better choice. If you need a blade that stays straight under pressure, Product B is superior.

Handle Material

Edge: Dexter 7-Inch Narrow Fillet Knife

Product A specifies a textured polypropylene handle. This material is durable, lightweight, and slip-resistant, which is crucial when handling wet or oily fish. The texture provides a secure grip even in slippery conditions. Product B is listed as having a white handle, but the specific material is not detailed in the provided data. Both are likely made from similar durable plastics common in this product line, but Product A explicitly highlights the slip-resistant texture. For wet environments, the confirmed textured grip on Product A offers a clear advantage in safety and control.

Blade Width

Edge: Dexter 7-Inch Narrow Fillet Knife

Width influences how much food you can move with each cut. Product A has a blade width of 5.25 inches. This wide span is unusual for a narrow fillet knife but may refer to the overall blade dimensions or handle length context. Product B has a specified blade width of 2.5 inches. A wider blade, like that of Product A, can handle larger surfaces or more food at once. The narrower 2.5-inch width of Product B allows for tighter maneuvering in confined spaces. The data for Product A’s width seems to contradict its narrow profile description, but based on the numbers, Product A offers more surface area.

Weight

Edge: Dexter 6-Inch White Boning Knife

Weight impacts fatigue during extended use. Product A weighs 3.68 ounces, while Product B weighs 3.2 ounces. The difference is small, but Product B is lighter. A lighter knife reduces hand strain when you are performing repetitive cuts for a long time. Product A is slightly heavier, which some users prefer for a sense of solidity and control. However, for precision work like filleting, the lighter weight of Product B may allow for finer, more controlled movements. If you are sensitive to hand fatigue, the lighter build of Product B is a practical advantage.

Which Dexter Knife Suits Your Tasks

You need precision filleting for fish

Our pick: Dexter 7-Inch Narrow Fillet Knife

This 7-inch narrow fillet knife is built for delicate work. Its slender, flexible blade allows for clean cuts along bones without tearing meat. The textured polypropylene handle provides a slip-resistant grip, which is essential when handling wet or oily fish. The lightweight design reduces hand fatigue during extended prep sessions, making it ideal for anglers or cooks who prioritize accuracy and control over bulkier tasks.

You require a sturdy boning tool

Our pick: Dexter 6-Inch White Boning Knife

This 6-inch boning knife features a thicker, more rigid blade with a height of 0.3 inches. This added stiffness provides the leverage needed to separate meat from bone efficiently. The shorter blade length offers better maneuverability in tight spaces. It is designed specifically for boning tasks, offering durability and stain resistance. The compact size makes it easier to handle around joints and complex cuts where flexibility is less critical than strength.

You prefer a lighter, versatile option

Our pick: Dexter 7-Inch Narrow Fillet Knife

At 3.68 ounces, this fillet knife is slightly heavier than the boning knife, but its balance is optimized for precision. The narrow profile minimizes waste when trimming meat or filleting fish. The ergonomic design reduces strain on your wrists during repetitive motions. While it shares the same high-carbon stainless steel construction as the other model, its specific geometry makes it better suited for slippery foods and detailed trimming work rather than heavy-duty bone separation.

The products compared

Dexter 7-Inch Narrow Fillet Knife

Best for: Precision filleting of fish and poultry

Blade Length
7 in
Knife Type
Fillet
Blade Material
High-carbon stainless steel
Handle Material
Polypropylene
Blade Profile
Narrow
Color
White

View on Amazon: Dexter 7-Inch Narrow Fillet Knife Affiliate link

This Dexter-Russell 7-inch narrow fillet knife features a high-carbon stainless steel blade designed for precision cutting. The slender, flexible blade allows for accurate filleting of fish and trimming of meat. It includes a textured polypropylene handle for a secure grip. The lightweight build reduces hand fatigue during extended use. This tool suits anglers and home cooks who need control and accuracy.

Pros

  • 7-inch narrow blade for precision filleting
  • High-carbon stainless steel for edge retention
  • Textured polypropylene handle for slip resistance
  • Lightweight 3.68-ounce build reduces fatigue

Cons

  • Blade height of 0.21 inches is thin
  • Polypropylene handle may feel less premium
  • Limited to filleting tasks only

Good fit if

  • You need precision for filleting fish
  • You want a lightweight knife for extended use
  • You require a slip-resistant grip

Skip if

  • You prefer a heavier, rigid blade
  • You need a multi-purpose chef knife
  • You want a wooden or metal handle

Verdict: Dexter 7" Narrow Fillet Knife offers a specialized, lightweight solution for anglers and home cooks who prioritize precision and control when filleting fish or trimming meat.

Dexter 6-Inch White Boning Knife

Best for: Precision bone removal in tight spaces

Blade Length
6"
Knife Type
Boning Knife
Color
White
Dimensions
15 × 2.5 × 0.3 inches
Weight
3.2 ounces

View on Amazon: Dexter 6-Inch White Boning Knife Affiliate link

This Dexter-Russell 31620 is a 6-inch boning knife with a white handle. It measures 15 inches long and weighs 3.2 ounces. The blade is 2.5 inches wide. The handle is 5 inches long. You need it for precise bone removal. The stainless steel resists stains. It fits small hands well due to the shorter blade.

Pros

  • 6-inch blade length for precision
  • Lightweight at 3.2 ounces
  • Stain-resistant stainless steel
  • 5-inch handle length

Cons

  • Shorter 6-inch blade than the 7-inch fillet option
  • Narrower 2.5-inch blade width
  • White handle shows dirt easily

Good fit if

  • You prefer a shorter blade for tight spaces
  • You want a lightweight tool for extended use
  • You need a dedicated boning knife

Skip if

  • You need a longer blade for larger cuts
  • You prefer a darker handle for stain hiding
  • You want a wider blade for flexibility

Verdict: Dexter 6-Inch White Boning Knife suits you if you need precision over reach. It offers a lighter, narrower profile for detailed bone work.

Specifications side by side

Spec Dexter 7-Inch Narrow Fillet Knife Dexter 6-Inch White Boning Knife
Blade Length 7 in 6"
Knife Type Fillet Boning Knife
Blade Material High-carbon stainless steel not stated
Handle Material Polypropylene not stated
Blade Profile Narrow not stated
Color White White
Recommended Use Meat Boning
Dimensions 15 × 5.25 × 0.21 inches 15 × 2.5 × 0.3 inches
Weight 3.68 ounces 3.2 ounces
Size 7" 6"
Model 31608 P94825

Frequently asked questions

Which knife is better for filleting fish?

The 7-inch narrow fillet knife is the better choice for filleting fish. Its 5.25-inch wide blade allows for longer, smoother strokes along the rib cage. The narrower profile helps you navigate around bones with precision. This design is specifically recommended for delicate work on poultry and fish.

What is the difference in blade width between the two knives?

The 7-inch fillet knife has a wider blade at 5.25 inches. The 6-inch boning knife is significantly narrower at 2.5 inches. This difference affects how each tool moves through meat. The wider fillet blade covers more area, while the narrower boning blade offers tighter control in small spaces.

Does the boning knife have a thinner blade than the fillet knife?

No, the boning knife is thicker. It measures 0.3 inches in height, while the fillet knife is 0.21 inches thick. The extra thickness provides more rigidity for bone removal tasks. The thinner fillet blade offers greater flexibility for sliding along fish bones.

Which knife weighs less?

The 6-inch white boning knife weighs less at 3.2 ounces. The 7-inch narrow fillet knife is slightly heavier at 3.68 ounces. Both knives share the same total length of 15 inches. The lighter weight of the boning knife may reduce fatigue during detailed bone work.

Can I use the fillet knife for removing bones from meat?

You can use it, but the boning knife is designed for that purpose. The fillet knife is optimized for precision filleting of fish and poultry. Its narrower, flexible blade is less rigid than the boning knife. For tough bone removal, the 2.5-inch wide boning blade offers better stability and control.

Are both knives made from the same steel?

Yes, both knives use high-carbon stainless steel. This material provides a balance of edge retention and corrosion resistance. It is durable and resistant to stains. This shared specification ensures both tools maintain a sharp edge and resist rust during regular kitchen use.

What is the model number for the 7-inch fillet knife?

The model number for the 7-inch narrow fillet knife is 31608. This identifies the specific product in the Dexter lineup. It helps you locate the correct replacement or purchase additional units. The 6-inch boning knife uses a different model number, P94825.

See also