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    Countersinks and Counter Bores
    1. Home
    2. Bits, Blades and Cutters
    3. Countersinks and Counter Bores
    Item # AA55628 • Mfr # 55628

    Amana 1/2" x 2-1/8" Carbide Tipped Countersink Taper Bit, #12 Screw

    Description

    Amana 1/2 x 2-1/8 Carbide Tipped Countersink Use

    Amana 1/2" x 2-1/8" Carbide Tipped Countersink sets up a clean tapered hole sized for a #12 screw, so cabinet and woodworking jobs get a consistent seat for the fastener head. The 1/2 inch size and 2-1/8 inch length define the working profile, helping match this bit to drilling depth and clearance needs on site or in the shop. Carbide tipped construction focuses cutting action at the edge, supporting smooth countersinking in wood-related applications. As a countersink in the Countersinks product class, this tool forms the recess rather than acting as a general twist drill, so it targets finish quality around the screw head. The #12 screw designation ties the cutting geometry to that screw size, which matters when standardizing fasteners across repeated installations or production runs.

    Key Details Of This #12 Screw Countersink Bit

    • The Amana 1/2" x 2-1/8" Carbide Tipped Countersink Taper Bit is defined for #12 screws, so hole and recess geometry are aligned to that screw size, supporting consistent seating of the fastener head.
    • The 1/2 inch dimension specifies the bit size, giving a clear reference for matching this countersink to existing drilling setups or jigs where that diameter is required.
    • The 2-1/8 inch length describes the overall cutting reach of the bit, which affects how it works in thicker stock or in assemblies where access depth is limited.
    • Carbide tipped construction concentrates wear resistance at the cutting edges, supporting repeated countersinking operations in woodworking environments over time.
    • This tool sits in the Countersinks class within Bits, Blades and Cutters, so its role is focused on forming the countersink profile rather than general drilling.

    Install And Drill Holes With Consistent Countersinks

    This Carbide Tipped Countersink Taper Bit for a #12 screw brings together the 1/2 inch sizing and 2-1/8 inch length to define how it engages the workpiece during drilling and countersinking. The 82 degree reference in the SAP description links the cutting profile to an 82 degree countersink angle, which aligns with that specified geometry for screw seating. As an Amana Tool countersink, it is built as a dedicated countersink rather than a multi-purpose bit, so its shape is tuned toward producing the taper and recess around the screw head. In cabinet or woodworking setups that standardize on #12 screws, this fixed geometry supports repeated, comparable results across multiple holes and parts.

    Using This Amana Countersink Bit In Woodworking

    Where This Carbide Countersink Taper Bit Fits

    This Amana 1/2" x 2-1/8" Carbide Tipped Countersink Taper Bit works in jobs where #12 screws are specified and a tapered countersunk seat is required. The 1/2 inch bit size gives installers a known dimension when choosing drills or drill press setups for cabinetry, casework, or related wood projects. Its 2-1/8 inch length defines how far the cutting profile extends, affecting suitability when drilling through thicker components or layered assemblies. Classified under Countersinks, the tool is applied when a recessed screw head is part of the design, rather than when a flat or pan head sits proud of the surface. The #12 screw designation guides fastener selection in builds that align screw size, pilot, and countersink for repeatable joints.

    How The 82 Degree And #12 Match Improves Results

    The SAP description highlights an 82 degree reference with a #12 screw focus, tying the cutting geometry of this countersink to that angle and screw size combination. For installers working around #12 screws, this alignment supports a seat that corresponds to an 82 degree style profile. The carbide tipped construction emphasizes edge retention at that shaped profile, helping maintain the same cutting action across multiple holes. The Amana Tool identity and the 55628 manufacturer part number link this bit to a defined design, which matters when shops want to repeat results by reordering the same countersink. By combining 1/2 inch sizing, 2-1/8 inch length, an 82 degree reference, and a #12 screw target, the bit establishes a predictable geometry that supports consistent countersunk joints in wood-related applications.

    Common Questions About This Amana Tool Countersink

    What screws does this Amana countersink taper bit match?

    The Amana 1/2" x 2-1/8" Carbide Tipped Countersink Taper Bit is defined for a #12 screw, so its tapered hole and recess geometry are intended to work with that screw size.

    What does the 82 degree reference indicate on this bit?

    The 82 degree notation in the description indicates the countersink angle profile this bit is designed around, which relates to how the screw head seats in the tapered recess.

    How does the 1/2 inch size affect use with drills?

    The 1/2 inch dimension identifies the bit size, which matters when matching the countersink to drill chucks, guides, or setups that expect that diameter.

    Why is the 2-1/8 inch length important in woodworking setups?

    The 2-1/8 inch length states the working reach of the countersink, affecting how it operates in thicker stock or stacked parts during cabinet or woodworking projects.

    What role does the carbide tipped construction play?

    The carbide tipped construction concentrates harder material at the cutting edges, supporting extended cutting performance during repeated countersinking in wood-related work.

    How is this Amana Tool countersink categorized for tooling plans?

    This product is categorized under Countersinks within Bits, Blades and Cutters, so it is planned as a dedicated countersinking tool rather than a general-purpose drill bit.

    Select This #12 Countersink For Defined Screw Seats

    The Amana 1/2" x 2-1/8" Carbide Tipped Countersink Taper Bit, tied to #12 screws and an 82 degree profile, offers a clearly defined geometry for forming screw seats in wood-based projects. The 1/2 inch size and 2-1/8 inch length specify how it fits into existing drilling setups. As an Amana Tool countersink in the Countersinks class, it focuses on shaping the recess around the screw head rather than general drilling. For projects built around #12 screws, this fixed combination of dimensions and angle supports consistent countersunk joints across repeated installations.

    Shank Diameter (in)
    1/4 in
    Length (in)
    2-1/8 in
    Material Type
    Carbide
    Bore Diameter (in)
    9/64 in
    Product Type
    Countersink Taper Bit
    Cutting diameter (mm)
    1/2 in
    Supplier Pack Size
    1
    Sold In
    1
    Shank Diameter (in)
    1/4 in
    Length (in)
    2-1/8 in
    Material Type
    Carbide
    Bore Diameter (in)
    9/64 in
    Product Type
    Countersink Taper Bit
    Cutting diameter (mm)
    1/2 in
    Supplier Pack Size
    1
    Sold In
    1
    3/32 in7/64 in1/8 in9/64 in
    3/8 in1/2 in
    $77.59/Each
    Amana 1/2" x 2-1/8" Carbide Tipped Countersink Taper Bit, #12 Screw
    Item# AA55628 / MFR Part # 55628
    Each
    Amana Tool
    Each

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    Sold In: 1 Each

    Each