Würth Baer Supply CompanyWürth Baer Supply Company•Built For Those Who Build The World™
    (800) 289-2237
    Vernon Hills, IL
    (800) 289-2237
    Vernon Hills, IL
    Home
    Sign in / Register
    • Quick Order
    • Quotes
    • Promotions
    • Careers
    • Help
    • Contact
    Mobile app

    Why Shop With Us?

    • Lorry and clock graphic

      BUY "YOUR WAY"

      Order by 24/7 by web, contact our sales reps or call by phone.

    • Shopping bag with heart graphic

      One Stop Shop

      What you need, when you need it, all in one place.

    • Trolley graphic

      Next Day Delivery

      Most orders ship same day.

    • Supprt headphone graphic

      Expert Support Team

      Advice and support from knowledgeable professionals.

    Need help? Call(800) 289-2237

    Company Information

    • About Our Company
    • Who is Reinhold Würth?
    • Contact Us / Locations
    • Return Policy
    • Shipping Policy
    • Careers
    • Sales Tax and Exemption
    • Credit Application
    • ACH / e-Check Registration
    • Terms & Conditions
    • Privacy Notice
    • Accessibility Statement
    • Help
    • FAQ
    • Pay Invoices Online

    Shop With Us

    • Shop by Brand
    • Clearance
    • Daily Discounts
    • Catalogs
    • Vendor Literature
    • Download Our Mobile App

    Services

    • SAM.gov - CAGE Code: 1UXJ6
    • Architects & Designers Portal
    • ORSY - Inventory Management Solution
    • Machinery

    Contact

    • Toll-free (800) 289-2237
    • Website Support (800) 944-2237 x4444
    • Support via Text / SMS (800) 289-2237
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    • Our Blog (opens in a new tab)
    • LinkedIn (opens in a new tab)
    • Facebook (opens in a new tab)
    • Instagram (opens in a new tab)
    • YouTube (opens in a new tab)
    • TikTok (opens in a new tab)
    • Pinterest (opens in a new tab)
    • X (formerly Twitter) (opens in a new tab)
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    Approved US Government VendorCage Code: 1UXJ6

    Copyright © 2004-2026, Würth Baer Supply Company. All Rights Reserved.

    Terms & ConditionsPrivacy NoticeAccessibilityDo Not Sell My Personal InformationWürth ComplianceSite FeedbackSitemap
    0Cart
    0Cart
    Countersinks and Counter Bores
    1. Home
    2. Bits, Blades and Cutters
    3. Countersinks and Counter Bores
    Item # AA55200 • Mfr # 55200

    11/32" x 2-1/4" Carbide Tipped Countersink Bit, #4 Screw

    Description

    Carbide Tipped Countersink Bit For Clean Seats

    Carbide tipped countersink bit describes this Amana Tool countersink, which is built to form seats for screw heads in wood, plastic, and non-ferrous materials so fasteners sit properly without tearing the surrounding surface. The 11/32 inch x 2-1/4 inch size defines the cutting profile and overall length, giving a compact bit that reaches typical cabinet, furniture, and fixture surfaces without feeling awkward in a drill or driver. Its role as a countersink bit for #4 screws means the geometry is set to match that screw head size, so the resulting recess is shaped for consistent seating and appearance with that fastener size. As a countersink from Amana Tool, it fits into a workflow where clean, repeatable screw detailing saves sanding time around fastener heads and helps finished work present with uniform, professional-looking screw seats.

    Key Countersink Details That Support Clean Work

    • The carbide tipped cutting edges are engineered for a significantly longer lifespan than steel countersinks, which helps maintain sharp, predictable cutting action across many holes and supports consistent surface quality over repeated use.
    • The 2-flute integral design keeps the cutting profile consistent and concentric, so each countersunk recess stays round and centered around the drilled hole, which helps screws seat uniformly and reduces rework from off-center recesses.
    • The bit is designed specifically for countersinking holes to accommodate screw heads, giving it a focused role in creating the clearance and seating angle that fasteners need to sit properly in wood, plastic, and non-ferrous materials.
    • The ability to produce chip-free hole edges around the countersink shoulder protects the surrounding material from ragged breakout, helping finished parts require less edge cleanup and improving the look of visible fastener locations.
    • The 11/32 inch x 2-1/4 inch format defines both the cutting diameter and overall bit length, which supports predictable depth referencing and tool handling when laying out countersunk holes across multiple workpieces.

    Installation And Drilling Behavior Of This Countersink

    The 11/32 inch diameter on this Amana Tool countersink controls how wide the screw-head seat cuts, which is important when balancing fastener coverage with remaining material around the recess in wood, plastic, or non-ferrous materials. Its 2-1/4 inch overall length keeps the bit compact, which helps maintain control during drilling and countersinking operations on cabinets, furniture parts, and panels. The 2-flute integral design guides chips away as the countersink cuts, helping the bit track concentrically around the pilot hole instead of wandering and leaving lopsided seats. Because the bit is designed to accommodate screw heads, its working shape is tuned to create a recess that lets screws pull parts together while keeping the head profile aligned with the surface.

    Using This Amana Tool Countersink On Real Jobs

    Countersink Bit For Wood, Plastic, And Non-Ferrous

    This Amana Tool countersink is designed for use in wood, plastic, and non-ferrous materials, so the same #4 screw countersink bit can move across casework, solid-wood components, and sheet goods with embedded metal or plastic features. As a countersink for #4 screws, its geometry matches common small fasteners used in cabinetry and detailed trim applications, helping the screw heads nest neatly without crushing the surrounding fibers. The carbide tipped construction lets the bit maintain its edge profile across runs in these materials, which supports consistent hole quality when shifting between different substrate densities. The 11/32 inch cutting diameter defines the contact area around the screw head, so installers can anticipate how much material will clear around the head and layout hole spacing with that footprint in mind.

    Details That Help Deliver Repeatable Countersinks

    The 2-flute integral design of this 55200 carbide countersink keeps the cutting edges working in a balanced pattern, which supports concentric results around the pilot hole and helps each recess share the same geometry from part to part. Because the bit is purpose-built to accommodate screw heads, the shape it cuts creates a consistent bearing surface that lets screw heads clamp parts evenly instead of biting at random points. The claim of chip-free hole edges points to the way the carbide tips shear fibers and chips at the rim of the countersink, which keeps the visible edge of the recess crisp and reduces the time spent touching up damaged surfaces around the screw seat. The longer lifespan compared to steel countersinks also supports repeatability, because a sharp carbide edge holds its profile over a greater number of holes, limiting variation in recess diameter and finish as jobs progress.

    Common Questions About This Carbide Countersink Bit

    What materials can this countersink bit handle effectively?

    The 11/32 inch x 2-1/4 inch carbide tipped countersink bit is designed for wood, plastic, and non-ferrous materials, so it supports a range of cabinet, fixture, and light metal-trim work.

    Which screw size is this Amana Tool countersink designed for?

    This countersink bit for #4 screws is sized so its geometry matches that screw-head size, helping the head sit properly and giving a consistent appearance across all fasteners.

    How does the 2-flute integral design affect the countersink?

    The 2-flute integral design keeps cutting balanced and concentric, so the recess stays centered on the pilot hole, which supports uniform seating and clean-looking screw heads.

    Why choose a carbide tipped countersink over steel?

    The carbide tipped countersink bit delivers a significantly longer lifespan than steel countersinks, so it stays sharper longer and helps maintain chip-free hole edges through extended use.

    What does the 11/32 inch x 2-1/4 inch size indicate?

    The 11/32 inch x 2-1/4 inch description indicates the cutting diameter and overall length, giving predictable reach and recess width when planning screw locations in various materials.

    How does this countersink bit help reduce surface cleanup?

    This Amana Tool countersink produces chip-free hole edges around the recess, so surfaces around screw heads stay cleaner and typically require less sanding or touch-up.

    Select This Countersink For Precise Screw Seating

    The 11/32 inch x 2-1/4 inch carbide tipped countersink bit, #4 screw from Amana Tool pairs a 2-flute integral design with durable carbide tips to create concentric, chip-free screw-head seats in wood, plastic, and non-ferrous materials. Its geometry is tuned specifically for #4 screws, giving installers and fabricators a predictable recess profile that supports consistent, professional-looking fastener locations. For projects where repeated countersinking and clean hole edges matter, this dedicated countersink design aligns with the demands of shop and jobsite work.

    Shank Diameter (in)
    5/16 in
    Length (in)
    2-1/4 in
    Material Type
    Carbide
    Bore Diameter (in)
    3/32 in
    Product Type
    Countersink Bit
    Cutting diameter (mm)
    11/32 in
    Supplier Pack Size
    1
    Sold In
    1
    Shank Diameter (in)
    5/16 in
    Length (in)
    2-1/4 in
    Material Type
    Carbide
    Bore Diameter (in)
    3/32 in
    Product Type
    Countersink Bit
    Cutting diameter (mm)
    11/32 in
    Supplier Pack Size
    1
    Sold In
    1
    N/A3/8 in7/16 in1/2 in
    N/A1/4 in5/16 in3/8 in
    N/A9 mm10 mm
    N/A2-1/4 in2-9/16 in2-7/8 in
    N/A2-1/8 in2-9/16 in3 in4 in
    N/A60 mm
    #6#8N/A#10#4
    N/ACarbide
    N/A3/32 in1/8 in
    CountersinkCountersink Bit
    N/A5/64 in3/32 in7/64 in1/8 in.136 in11/64 in3/16 in
    49 DegreeN/A45 Degree
    N/A4 mm5 mm
    N/A5/16 in11/32 in25/64 in
    Amana Tool
    $68.44/Each
    11/32" x 2-1/4" Carbide Tipped Countersink Bit, #4 Screw
    Item# AA55200 / MFR Part # 55200
    Each
    Each
    In Stock

    Sold In: 1 Each

    Each