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    Replacement Parts
    1. Home
    2. Bits, Blades and Cutters
    3. Replacement Parts
    Item # AARCK393-IND • Mfr # RCK-393

    90? .040" V TIP / RC-1075/1076, RCK-393

    • Technical data, RCK-393
      Technical data, RCK-393

    Description

    In-Groove Insert Engraving Knife For CNC Work

    In-Groove insert engraving knife is a solid carbide insert 30 degree V tip engraving knife for the In-Groove system, so it serves as a dedicated cutting edge for detailed CNC engraving where a V-tip profile is required. The knife is part of the In-Groove insert engraving system, which uses one tool body with 30 unique insert knives, giving shops a structured way to match the insert geometry to different engraving applications without changing the core holder. As an industrial quality insert knife, it produces crisp, clean cuts, helping lettering, symbols, and fine lines read sharply in the finished work. The same industrial design also means it lasts at least twice as long as comparable solid carbide bits, which extends usable time between edge changes during production runs. This insert acts as a replacement part within the bits, blades, and cutters family, keeping the In-Groove CNC insert engraving tool body in service.

    Engraving Knife Details That Support CNC Productivity

    • The solid carbide construction provides a hard, wear-resistant cutting edge, so the knife stays sharp through longer engraving runs and maintains consistent detail on repetitive jobs.
    • The 30 degree V tip geometry shapes a narrow, defined engraving path, which helps achieve sharp inside corners and legible small characters on CNC-engraved workpieces.
    • The insert format allows the knife to mount into the In-Groove CNC insert engraving tool body, so edge changes happen at the insert level instead of swapping complete tools.
    • The knife functions within a system that offers 30 unique insert knives, making it straightforward to select a specific geometry for a given engraving task while using the same core body.
    • The industrial quality insert design supports crisp, clean cuts, which reduces downstream touch-up on engraved details and keeps overall workflow focused on cutting rather than cleanup.

    Insert Change And Fit Within In-Groove System

    The In-Groove insert engraving system was engineered so inserts such as this solid carbide 30 degree V tip knife can be quickly interchanged while mounted in CNC machines, which keeps the tool body in place and limits downtime between setups. Because the system uses a dedicated CNC tool body, the insert engages a holder that has been expertly balanced for virtually no vibration, supporting accurate seating of the knife during changes. This arrangement helps maintain consistent cutting accuracy from one insert swap to the next, since the body location in the spindle remains stable while only the cutting edge is refreshed. As a result, the RCK-393 insert operates as a precise replacement edge within the In-Groove system rather than a standalone bit.

    Using This RCK-393 Knife In CNC Engraving

    Where This Solid Carbide Insert Engraving Knife Fits

    This solid carbide insert 30 degree V tip engraving knife is designed for the In-Groove system, so its fit is centered on the In-Groove CNC insert engraving tool body rather than generic toolholders. Within that system, the knife functions as one of the 30 unique insert knives, allowing it to be chosen when the job calls for a 30 degree V tip profile. By operating inside an expertly balanced CNC tool body with virtually no vibration, the insert works best in CNC engraving stations that value stable spindle behavior, which supports precise depth control. Its role in bits, blades, and cutters replacement parts also positions it as a direct cutting-edge renewal for existing In-Groove setups, allowing the same body to continue working while the edge geometry matches specific engraving requirements. Because the web description identifies it as an excellent solution for etching, it also fits workflows that call for fine, etched-style marks created with controlled CNC paths.

    Why In-Groove Knife Design Supports Repeatable Results

    The In-Groove insert engraving system features one tool body with 30 unique insert knives, and this structure supports repeatable results by standardizing the connection between body and insert for every geometry. With this solid carbide insert 30 degree V tip engraving knife, the industrial quality insert design contributes to crisp, clean cuts, so repeat passes track previous cuts precisely rather than widening the line through deflection. The same industrial design also provides life that lasts at least twice as long as comparable solid carbide bits, which means the cutting edge stays in a predictable condition across more work cycles, supporting stable toolpath programming assumptions. The system was engineered to quickly interchange inserts while mounted in CNC machines, so swapping a worn RCK-393 for a fresh one keeps the body location constant, preserving alignment between the machine coordinates and the engraving pattern. In addition, CNC tool bodies in this system are expertly balanced for virtually no vibration, which helps the insert maintain consistent engagement with the material, reducing chatter lines and supporting uniform etching.

    Common Questions About The RCK-393 Engraving Knife

    What is the role of the RCK-393 In-Groove knife?

    The RCK-393 is a solid carbide insert 30 degree V tip engraving knife for the In-Groove system, serving as a replacement cutting edge for CNC engraving and etching tasks.

    How does the 30 degree V tip affect engraving results?

    The 30 degree V tip geometry creates a narrow, defined engraving path, which supports sharp corners and clear detail in CNC-engraved lettering and etched lines.

    How does this solid carbide insert compare to solid carbide bits?

    This industrial quality insert lasts at least twice as long as comparable solid carbide bits, extending time between edge changes during engraving production.

    How is this engraving knife used in the In-Groove system?

    The engraving knife mounts in the In-Groove CNC insert engraving tool body, functioning as one of 30 unique insert knives selected for specific engraving applications.

    Why was the In-Groove insert system engineered for quick interchange?

    The system was engineered so inserts can be quickly interchanged while mounted in CNC machines, reducing downtime and maintaining consistent cutting accuracy when swapping edges.

    How does the balanced CNC tool body affect this insert knife?

    The expertly balanced CNC tool body provides virtually no vibration, helping the insert produce crisp, clean cuts and stable engraving or etching lines.

    Select This In-Groove Knife For Focused CNC Engraving

    This solid carbide insert 30 degree V tip engraving knife for the In-Groove system offers industrial quality performance, so each RCK-393 adds a precise V-tip edge to an existing In-Groove CNC insert engraving tool body. By using a system built around one balanced tool body and 30 unique insert knives, this knife supports quick edge changes with virtually no vibration, which is useful when engraving or etching across multiple jobs. Selecting this In-Groove insert engraving knife aligns the tool geometry, edge life, and CNC workflow around a single, consistent engraving solution.

    Product Type
    V-Tip Engraving Insert Knife
    Height (in)
    5/32 in
    Width (in)
    .040 in
    Angle
    90 Degree
    Supplier Pack Size
    1
    Sold In
    1
    Product Type
    V-Tip Engraving Insert Knife
    Height (in)
    5/32 in
    Width (in)
    .040 in
    Angle
    90 Degree
    Supplier Pack Size
    1
    Sold In
    1
    Insert KnifeN/AInsert Engraving Knife for In-GrooveV-Tip Engraving Insert KnifeInsert Knives for Tongue and Groove
    N/A5/32 in3/16 in15/64 in9/32 in5/16 in5/8 in1-1/2 in
    N/A1/16 in3/32 in1/8 in5/32 in3/16 in1/4 in5/16 in
    N/A.005 in.010 in.020 in.030 in.040 in.060 in.090 in
    N/A30 Degree60 Degree90 Degree

    Associated Items

    $182.02/Each
    90? .040" V TIP / RC-1075/1076, RCK-393
    Item# AARCK393-IND / MFR Part # RCK-393
    Each
    Amana Tool
    Each

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    Sold In: 1 Each

    Each
    Quantity
    Unit Price
    Catalog
    Sold in: 1 Set
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    Mfr# RC-1075
    IN-GROOVE INSERT ENGRAVING 1/4, RC-1075
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    Mfr# RC-1076
    IN-GROOVE INSERT ENGRAVING 1/2, RC-1076
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    AARC1077-IND
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