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    Trim Bits
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    Item # BL85217M • Mfr # 85217M

    Overhang Cut-Off Bit, 1/4" Diameter

    Description

    Overhang Cut-Off Bit 1/4 Inch Diameter Use

    Overhang Cut-Off Bit 1/4 Inch Diameter describes a Bosch carbide tipped router bit designed for overhang cut work on plastic laminates. The carbide tipped cutting edges handle rough sizing of plastic laminates prior to gluing, so you remove bulk material efficiently before final bonding. The 1/4 inch diameter profile gives a compact cutting path, which helps maintain control when working along edges and tight curves on laminate panels. This router bit is specified as an overhang cut design, so it is intended to leave a consistent overhang rather than finish flush, supporting a two-step laminate workflow. The bit leaves a 3/16 inch overhang, giving a predictable margin for later flush trimming operations. That fixed 3/16 inch overhang helps installers and fabricators work to a repeatable allowance instead of guessing how much laminate remains for the next pass.

    Key Trim Details For Laminate Work

    • The carbide tipped design provides hardened cutting edges for rough sizing of plastic laminates, which supports repeated use in laminate trimming tasks before final finishing cuts.
    • The ball bearing pilot guides the bit along the substrate edge, helping maintain a consistent 3/16 inch overhang while you move around the workpiece without layout marks.
    • The bit leaves a 3/16 inch overhang on plastic laminate edges, giving a uniform allowance that simplifies subsequent flush trimming steps across multiple tops on the same job.
    • The 1/4 inch diameter keeps the cutting profile compact, which is useful when working on tops with irregular shapes where tighter curves or contours must be followed.

    Installation And Edge Trimming Workflow

    This Bosch router bit is identified as a router bits class trim bit, so it is intended to be mounted in a router for edge trimming tasks. The carbide tipped cutting edges work together with the ball bearing pilot to control the cut as you run along plastic laminate edges. During rough sizing, the router bit overhang cut configuration shapes the laminate to a consistent 3/16 inch overhang, preparing the panel edges for later flush trimming. Using a 1/4 inch diameter bit helps navigate irregular shapes on laminate tops, so the bit tracks around curves without widening the cut path. The overhang cut function fits naturally into a two-stage laminate workflow, where this bit handles the initial sizing before a final flush trim pass.

    Using This Router Bit In Laminate Work

    Where This Overhang Cut Bit Performs Best

    This Bosch overhang cut router bit is described for rough sizing of plastic laminates prior to gluing, so it fits best at the early shaping stage of laminate fabrication. When working on countertops or panels faced with plastic laminate, this bit trims the laminate close to the substrate while still leaving a controlled 3/16 inch overhang. That overhang is specified as ideal for tops with irregular shapes, so the bit suits projects where the perimeter is not straight, such as curved fronts or non-square layouts. The ball bearing pilot tracks along the edge of the substrate under the laminate, which supports guided cutting even when the outline changes direction frequently. By handling this rough sizing stage, the bit prepares the laminate edges for later flush routing with a finishing trim bit.

    Why These Cut Details Support Consistent Results

    The router bit overhang cut 85217M configuration is designed to leave a 3/16 inch overhang, providing a fixed allowance instead of varying excess material. That predictable 3/16 inch margin simplifies planning for the next trim pass, because each edge presents the same amount of material for finishing. The carbide tipped construction contributes to consistent cutting on plastic laminates, since the hardened tips maintain their edge during repeated rough sizing passes. The 1/4 inch diameter helps maintain control on tops with irregular shapes, allowing the bit to follow curves without creating overly wide cut arcs. The ball bearing pilot keeps the cutting path referenced to the substrate edge, which supports even overhang around complex shapes. Together, these details align the bit with laminate workflows that demand both repeatable allowances and controlled movement around varied edge profiles.

    Common Questions About Bosch 85217M Bit

    What is the Bosch 85217M overhang cut bit used for?

    The Bosch 85217M router bit is described for rough sizing of plastic laminates prior to gluing, so it is used to trim laminate close to the substrate while still leaving a controlled overhang.

    How much laminate overhang does this router bit leave?

    This Bosch overhang cut router bit leaves a 3/16 inch overhang, providing a consistent allowance that simplifies later flush trimming and finishing passes along the laminate edge.

    Why choose a carbide tipped overhang router bit?

    The carbide tipped construction on this router bit supports rough sizing of plastic laminates, so the cutting edges handle repeated trimming passes during laminate fabrication workflows.

    How does the ball bearing pilot help during trimming?

    The ball bearing pilot on this trim bit guides the router along the substrate edge, helping maintain an even 3/16 inch overhang while working around straight runs and irregular shapes.

    When in the laminate process is this bit used?

    This overhang cut bit is described for rough sizing prior to gluing, so it fits at the early trimming stage before final bonding and flush trimming of the laminate.

    Is this bit suited for tops with irregular shapes?

    This Bosch routing bit is identified as ideal for tops with irregular shapes, so it is suited to curved or non-square layouts where guided edge trimming is required.

    Select This Bit For Controlled Laminate Overhang

    The Bosch Overhang Cut-Off Bit 1/4 Inch Diameter offers carbide tipped cutting edges, a ball bearing pilot, and a specified 3/16 inch overhang for plastic laminates. For tops with irregular shapes or projects needing a controlled rough sizing pass before gluing, this trim bit aligns with that workflow. Select this router bit when a defined overhang and guided edge tracking will help keep laminate fabrication steps consistent from piece to piece.

    Diameter (in)
    3/8 in
    Shank Diameter (in)
    1/4 in
    Product Type
    Trim Bit
    Radius Cutting Height
    1/2 in
    Overall Length (in)
    2-1/4 in
    Minimum Cutting Height
    3/4 in
    Supplier Pack Size
    1
    Sold In
    1
    Diameter (in)
    3/8 in
    Shank Diameter (in)
    1/4 in
    Product Type
    Trim Bit
    Radius Cutting Height
    1/2 in
    Overall Length (in)
    2-1/4 in
    Minimum Cutting Height
    3/4 in
    Supplier Pack Size
    1
    Sold In
    1
    N/A1/4 in3/8 in1/2 in5/8 in3/4 in7/8 in1 in1-1/8 in1-1/4 in1-5/16 in1-1/2 in
    N/A1/4 in1/2 in
    Trim BitEdgeforming Router BitsSlotting Cutter
    N/A1234
    N/A1/4 in1/2 in
    N/A1-1/2 in1-15/16 in2 in2-1/8 in2-1/4 in2-3/8 in2-7/16 in2-1/2 in2-5/8 in2-7/8 in3-1/2 in4-1/4 in4-7/16 in4-1/2 in
    N/A3/8 in1/2 in5/8 in
    N/A15 Degree22.5 Degree45 Degree10 Degree22 Degree
    N/A3/8 in1/2 in5/8 in3/4 in15/16 in1 in1-1/2 in2 in
    Bosch
    $51.30/Each
    Overhang Cut-Off Bit, 1/4" Diameter
    Item# BL85217M / MFR Part # 85217M
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    Each
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