4 inch Portable Stainless Steel Fillet Knife

Portable 4 inch Stainless Steel Fishing Fillet Knife

Various sizes of stainless steel Fish Fillet Knives

Additional Features of 4 inch Stainless Steel Fish Fillet Knife

Food Grade Stainless Steel Blade of 4 inch Fillet Knife

4-inch Fish Fillet Knife with PP+TPR Sheath

Wholesale 4 Inch Fillet Knife with Stainless Steel Blade PP+TPR Handle for Fishing

Model NO：

RTI-FK32

50 – 499 pieces: $2.64

500 – 4999 pieces: $2.20

5000 – 49999 pieces: $2.13

>= 50000 pieces: $1.90

Blade Material	Stainless steel
Handle Material	PP+TPR
Size	4″
Color	Blue/black; red/black, grey/black

Enduring sharp.
Stainless steel blade.
Antioxidant.
Not easy to rust.
Wear-resistant.
Patent for utility models.

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Returns & Refunds Eligible for refunds within 30 days of receiving products.

RTI 4 Inch Fillet Knife

The RTI 4 inch fillet knife is a compact fishing knife designed for precise fish preparation. It features a stainless steel blade and a PP+TPR non-slip handle, providing a secure grip during use. The short blade offers better control when working with small to medium fish.

This knife is commonly used for filleting, skin removal, and fine trimming tasks that require accuracy. It delivers stable cutting performance and is built for durability and comfortable handling across different fishing environments.

Key Functions

Cuts fish meat cleanly with controlled blade movement
Removes skin with minimal waste
Handles detailed trimming and finishing work
Supports efficient fish processing with reduced hand strain

Application Scenarios

A 4 inch fishing fillet knife is suitable for freshwater and light saltwater use. It is commonly used in rivers, lakes, reservoirs, streams, and coastal shore fishing. Typical target species include carp, trout, bass, and other similar fish.

Product Specifications

Product name	Fillet Knife
Model Number	RTI-FK32
Blade Material	Stainless steel
Handle Material	PP+TPR
Size	4″
Color	Blue/black; red/black, grey/black
MOQ	500pcs
Package	Clam
Delivery	60 Days
OEM/ODM	Accetable
Features	Portable
Customization Options	Customized packaging (Min. order: 500 pieces)

The blades are made of food grade stainless steel, work for years.
Non-Slip handle with Safety Finger Guard.
Patent sheath with additional function, a knife sharpener, a hook sharpener and hanging hook.
Different size, 4″, 6″, 7.5″ and 9″ available.
Non-stick coating available.
Cerrated blade cuts easily through bone structure and tough skin.

4 inch Fillet Knife Product Advantages

Food-Grade Stainless Steel Blade

The blade uses food-grade stainless steel with a non-stick surface. It supports long-term use and meets common safety expectations for fish processing tools.

Durable Sharpness

The blade maintains sharpness through repeated use. It handles fish skin and flesh efficiently, which helps improve processing speed in real fishing conditions.

Secure Non-Slip Handle

The PP+TPR handle provides a firm grip even in wet environments. The integrated finger guard improves handling stability and reduces slipping risk.

Integrated Multi-Function Sheath

The patented sheath includes practical add-ons such as a knife sharpener, hook sharpener, and hanging hook. This design improves field usability without adding extra tools.

Serrated Cutting Edge

The serrated blade structure supports cutting through tougher fish skin and bone areas. It adds flexibility for different processing needs.

4 inch Fish Fillet Knife Manufacturing Process

1. Material Selection

420 stainless steel is used for the blade to ensure corrosion resistance and edge stability. PP+TPR materials are selected for the handle to provide grip and durability.

2. Blade Forming

Blade blanks are cut and shaped to the 4 inch profile. Thickness and edge geometry are controlled to support precise filleting work.

3. Heat Treatment

Blades are hardened and tempered to achieve balanced hardness and toughness. This step ensures reliable edge retention and controlled flexibility.

4. Grinding & Edge Shaping

Bevels are ground and the blade edge is thinned for clean, accurate cuts. Consistent grinding ensures uniform cutting performance.

5. Surface Finishing

Blades receive final surface finishing to improve smoothness and resistance to rust in freshwater and light saltwater use.

6. Handle Assembly

PP+TPR handles are molded and securely assembled to the blade. Handle fit and grip alignment are checked during assembly.

7. Sharpening

Final sharpening is completed to the specified edge angle. Cutting performance is verified before inspection.

8. Quality Inspection

Each knife is checked for blade alignment, sharpness, handle fit, and overall function.

9. Packaging & Shipping

Products are packed in standard clam packaging or custom packaging and prepared for shipment.

Q1: What is the MOQ for the 4 inch fillet knife?

A: The standard MOQ is 500 pieces, especially for custom packaging or branding. MOQ may vary for standard packaging. Please share your requirements for confirmation.

Q2: Do you support OEM or private-label orders?

A: Yes. OEM and private-label services are available, including logo marking and customized packaging. Artwork and specifications are required for quotation.

Q3: How is corrosion resistance ensured?

A: Corrosion-resistant stainless steel is used for the blade, combined with surface finishing. Corrosion checks are conducted on selected production samples.

Q4: What is the production lead time?

A: Typical lead time is around 60 days. Actual timing depends on order quantity, packaging, and customization details.

Q5: Can you provide samples before mass production?

A: Yes. Samples are available for evaluation. Sample availability and cost depend on the order type and customization level.

Q6: Are other blade sizes available?

A: Yes. Other fillet knife sizes are available. Size options depend on the specific model and order requirements.

Founded in 2002, RTL Company is a professional manufacturer of fishing tools specializing in R&D, production, sales, and service. We are committed to strict quality control and attentive customer service. Our experienced staff are always ready to discuss your requirements and ensure complete customer satisfaction.

Assurance Agreement: Enjoy a 5% discount for eachweek of delayed delivery.
OEM & ODM: We support small orders to inspectquality (once before packaging,once before shipment) and supportOEM design.
Free Samples: Free samples are provided.
Create Molds: For a single product, if the orderquantity exceeds 5000PCS, wecan create molds to customizeyour own style.
Photos & Videos: We support customers with high-defnition photos and videos.
Online Service: 24/7 after-sales service.

We have a total of 59 patents, including 2 INVENTION patents, 23 UTILTY MODEL patents, 32 DESiGN patents, and 2 REGISTERED PATENTs in the USA.

We welcome OEM and ODM orders.Whether selecting a current product from our catalog or seekingengineering assistance for your application, you can talk to our customerservice center about your sourcing requirements.