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    Trim Bits
    1. Home
    2. Bits, Blades and Cutters
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    Item # AAMR0102 • Mfr # MR0102

    3/16" x 2" Miniature Flush Trim Bit with Lower Ball Bearing, 2-Flute, 1/4" Shank

    Description

    3/16 x 2 Miniature Flush Trim Bit For Detail Work

    3/16 x 2 miniature flush trim bit with lower ball bearing gives you a small-diameter trim solution that reaches into tight corners while guiding off the workpiece. The 2 inch overall length supports detailed routing where standard trim bits feel bulky. The 1/4 inch shank fits routers that accept this common shank size, so the bit drops into typical trim and shop routers without changing your tool setup. A 2-flute cutting design shears material on both sides of the rotation, supporting smooth trimming passes on delicate projects. As a carbide tipped miniature flush trim bit, it pairs a compact profile with wear-resistant cutting edges for repeat work across multiple small parts.

    Mini Flush Trim Details That Support Fine Work

    • This Amana Tool miniature flush trim bit uses a 3/16 inch diameter lower ball bearing guide that tracks along the template or edge, which helps the cutting edges follow intricate contours without relying on a solid pilot.
    • The 3/16 inch bearing stays cool unlike brass pilots, reducing friction at the guide point so delicate edges on signs or small boxes see less heat-related marking during trimming.
    • Carbide tipped construction teams hard cutting edges with the miniature body, so frequent passes on fine musical instruments or toymaking stock maintain cutting quality over time.
    • The 2-flute layout balances cutting forces as you pass through lettering, signmaking details, or other small profiles, which helps the bit leave cleaner trimmed edges on tight-radius work.
    • Amana Tool has created some of the smallest guide bearings in the industry for this bit, allowing routing in confined spaces where larger bearings cannot follow the profile.

    Miniature Router Bit Setup And Trimming Approach

    This mini flush trim router bit 1/4 shank format lets you use the bit in routers designed around 1/4 inch shank tooling, keeping the tool side straightforward while you focus on the workpiece. The lower ball bearing design guides the bit from the bottom of the cut, so templates or reference edges under the workpiece can control the trim line. Because the bit is designed for intricate and delicate projects with or without tight spaces, it supports routing where only a small portion of the cutting edge is engaged at a time. The carbide tipped edges and 2-flute geometry work together to manage these light passes so you can advance along contours at a controlled pace.

    Using This Bit On Signs, Boxes, And Instruments

    Where This Miniature Flush Trim Bit Excels

    This carbide tipped miniature flush trim bit is described as perfect for small fine work such as signs, lettering, small boxes, guitarmaking/luthier, and toymaking, so it aligns directly with detailed woodworking and hobby tasks. On lettering and signmaking, the 3/16 inch diameter lets you follow narrow strokes and tight inside corners so the trimmed edge matches the layout. On small boxes, the miniature bearing and cutter let you flush-trim veneers or joinery where standard bits would remove too much material or skip over short faces. For fine musical instruments, the miniature scale allows work around curved bodies and delicate components where large bits would be hard to control. In toymaking and other delicate projects, the small cutting circle supports work on tiny parts, keeping the trim action focused on the profile instead of the surrounding material.

    Why The Mini Bearing And Carbide Edge Matter

    This Amana Tool miniature flush trim bit replaces solid pilot styles that can leave scoring and burning, because the small ball bearing guide rolls along the reference surface instead of dragging metal across it. That rolling action matters on fine work, where surface quality on signs, instruments, or boxes affects the next finishing steps. The 3/16 inch diameter lower ball bearing also lets the bit rout the most intricate contours for delicate projects, so your template designs do not need to compromise around a larger guide circle. Because the bearing stays cool unlike brass pilots, the guide point resists heat buildup that can mark or glaze the edge, which supports more consistent tracking over multiple passes. The carbide tipped construction pairs with this guidance to keep the cutting edges sharp while you repeat trims across sets of small parts, supporting consistent fit and profile accuracy from part to part.

    Common Questions About This Miniature Flush Trim Bit

    What type of router bit is the MR0102 part?

    The 3/16 x 2 miniature flush trim bit with lower ball bearing is an Amana Tool carbide tipped router bit designed for tiny flush trimming and shaping on delicate projects.

    How does the 3/16 inch lower ball bearing guide help?

    The 3/16 inch lower ball bearing guide rolls along the template or edge, helping the bit follow intricate contours with reduced scoring and burning compared to solid pilot designs.

    Why choose a 1/4 inch shank miniature flush trim bit?

    The 1/4 inch shank miniature flush trim bit fits routers designed for 1/4 inch tooling, so it integrates into common trim and shop routers used for detailed work.

    When is this miniature flush trim bit most useful?

    This miniature flush trim bit is described as perfect for small fine work such as signs, lettering, small boxes, guitarmaking or luthier projects, and toymaking.

    How do the 2 flutes affect trimming results?

    The 2-flute design cuts on both sides of the rotation, supporting smoother trimming passes on intricate contours and helping produce clean edges on delicate stock.

    What makes this flush trim bit suitable for tight spaces?

    This bit uses one of the smallest guide bearings in the industry and a 3/16 inch cutting diameter, allowing routing in tight spaces and sharp contours on small projects.

    Select This Bit For Precise Small-Scale Flush Trimming

    The Amana Tool 3/16 x 2 miniature flush trim bit with lower ball bearing aligns well with signmaking, lettering, small boxes, guitarmaking or luthier projects, and toymaking where scale and surface quality are critical. Its carbide tipped cutting edges and 2-flute geometry support repeat passes on delicate stock, while the 3/16 inch lower ball bearing guides along intricate contours. When a job calls for tiny flush trimming or shaping in tight spaces, this MR0102 miniature router bit offers dimensions and features tailored to that level of detail.

    Diameter (in)
    3/16 in
    Shank Diameter (in)
    1/4 in
    Product Type
    Trim Bit
    Number of Flutes
    2
    Overall Length (in)
    2 in
    Bearing Diameter (in)
    3/16 in
    Minimum Cutting Height
    7/16 in
    Supplier Pack Size
    1
    Sold In
    1
    Diameter (in)
    3/16 in
    Shank Diameter (in)
    1/4 in
    Product Type
    Trim Bit
    Number of Flutes
    2
    Overall Length (in)
    2 in
    Bearing Diameter (in)
    3/16 in
    Minimum Cutting Height
    7/16 in
    Supplier Pack Size
    1
    Sold In
    1
    Amana Tool
    3/16 in1/4 in11/32 in3/8 in1/2 in5/8 in3/4 in51/64 in7/8 in15/16 in1 in1-1/16 in1-3/32 in1-1/8 in2 in
    N/A30 mm
    1/4 in3/8 in1/2 in
    Trim BitStraight Mortising BitsGrooving Router BitSpiral and Plastic Cutting Bit
    N/A1234
    N/A.015 in.059 in
    N/A1/16 in1/8 in5/32 in19/64 in
    1-1/2 in1-5/8 in1-3/4 in1-7/8 in2 in2-1/16 in2-3/32 in2-1/8 in2-1/4 in2-3/8 in2-1/2 in2-5/8 in2-3/4 in2-7/8 in3 in3-1/4 in3-1/2 in3-3/4 in3-7/8 in4-1/4 in
    N/ADown-cut
    N/A3/16 in1/2 in
    N/A7 Degree15 Degree22.5 Degree8 Degree25 Degree23 Degree22 Degree30 Degree45 Degree
    N/A1/4 in9/32 in19/64 in3/8 in7/16 in15/32 in1/2 in5/8 in3/4 in1 in1-3/16 in1-1/4 in1-1/2 in1-3/4 in2 in
    $73.85/Each
    3/16" x 2" Miniature Flush Trim Bit with Lower Ball Bearing, 2-Flute, 1/4" Shank
    Item# AAMR0102 / MFR Part # MR0102
    Each
    Each

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