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    Fillet Knives

    Shop fillet knives, fillet blades and blade kits designed for clean, controlled fish preparation. Choose flexible fishing knife blades for trout, larger catches and custom knife-making projects, then pair your blade with handle materials and finishing supplies to complete the build.

    IRT™ 7" Stainless Steel Fillet Blade
    IRT™ 7" Stainless Steel Fillet Blade $32.95
    Early American Trout Fillet Blade
    Trout Fillet Blade or Kit from $16.95
    Green River Stainless Fillet Blade
    Green River Stainless Fillet Blade or Kit from $27.95
    Early American Fillet Blade - Jantz Supply
    Fillet Blade or Kit from $14.17
    Early American Alaskan Fillet Blade
    Alaskan Fillet Blade or Kit from $24.95
    Early American 6" Fillet Blade - Jantz Supply
    6" Fillet Blade or Kit from $11.88
    Early American 3" Fillet Blade - Jantz Supply
    3" Fillet Blade from $8.95
    Northern Fillet Blade
    Northern Fillet Blade
    Northern Fillet Blade
    Northern Fillet Blade
    Northern Fillet Blade from $41.95
    Jantz Made Straight Fillet Blade
    Jantz Made Straight Fillet Blade
    Jantz 17 Series Straight Fillet Blade $29.95
    Jantz Made Curved Fillet Blade
    Jantz Made Curved Fillet Blade
    Jantz 17 Series Curved Fillet Blade $29.95
    Jantz Made Trout Fillet Blade
    Jantz 17 Series Trout Blade
    Jantz 17 Series Trout Blade
    Jantz Made Trout Fillet Blade
    Jantz 17 Series Trout Blade $26.95

    Fillet Blades for Clean, Controlled Fish Preparation

    A good fillet knife starts with the right blade. This collection includes flexible fillet blades and fish knife kits designed to help anglers, makers, and hobbyists create reliable knives for preparing fresh catch.

    From compact trout blades to longer fillet blade options, each product gives you a practical foundation for smooth, accurate cuts and custom finishing.

    • Fillet blades and kits for fish preparation and custom knife-making
    • Options for trout, general filleting and larger catch preparation
    • Flexible blade designs for controlled cuts along the bone and skin
    • A useful choice for anglers, hobbyists and experienced knife makers
    • Easy to pair with handle materials, pins, adhesives and finishing supplies

    Whether you are replacing a worn blade, building a fishing knife from scratch, or creating a personalised fillet knife, this range gives you a dependable starting point. Pair your fillet knife with top-quality handle materials to complete your setup.

    Why Choose Jantz Fillet Knife Blades?

    Jantz Supply has supported knife makers since 1966, offering trusted materials, tools and knife-making supplies for makers across the US. Our fillet blade collection is selected for customers who want practical designs, quality materials and the freedom to finish each knife their own way.

    Choosing a fillet blade or kit can save preparation time while still giving you control over the handle, finish and final feel of the knife.

    • Trusted knife-making supplier since 1966
    • Fillet blade options available in different lengths and styles
    • Suitable for beginner-friendly builds and experienced custom projects
    • Ideal for pairing with natural, synthetic or composite handle materials
    • Fast US shipping and helpful customer support

    For a complete project, explore related handle materials, pins, guards, adhesives, abrasives, sharpening supplies and sheaths. Read our step-by-step guide on sharpening your knife blades here.

    Shop Fillet Knives and Fillet Blades Today

    Find the right fillet blade for your next fishing knife project. From trout fillet blades to longer flexible options, this collection includes practical choices for anglers, custom knife makers and anyone building a reliable fish preparation knife.

    Need help choosing the right fillet knife blade or kit? Contact our expert team for guidance.

    FAQ

    A fillet knife is used to prepare fish by making clean, controlled cuts along the bone, skin and flesh. The flexible blade helps the user follow the shape of the fish more easily than a rigid utility knife.

    A fillet knife is the finished tool, while a fillet blade is the blade component used to build or complete that knife. Many makers choose fillet blades or kits so they can customise the handle, finish and final design.

    Choose the blade based on the size of fish you usually prepare and the level of flexibility you prefer. Smaller trout blades are useful for smaller fish, while longer fillet blades can be better suited to larger catches.

    Yes. Fillet blade kits can be a practical choice for beginners because they provide a prepared blade shape and let you focus on fitting the handle, finishing the knife and learning the assembly process.

    Yes. You can personalise your fillet knife by choosing handle materials, pins, finish, polish and other details. The blade gives you the starting point, while the finished style is shaped by your chosen materials and workmanship.