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    Boring and Drilling
    1. Home
    2. Bits, Blades and Cutters
    3. Boring and Drilling
    Item # CECDB764 • Mfr # B00764

    Castle 7/64" x #7 Drill Bit 1/4" Shank, B00764

    Description

    Castle 7/64 x #7 Drill Bit For Precise Fastening

    Castle 7/64 x #7 drill bit is a 7/64 inch Castle drill bit built for drilling snug pilot holes that match #7 screws. The bit size controls the hole so the wood grips the threads, which matters when you want tight joints that hold under load. This Castle drill bit pairs the 7/64 inch diameter with a #7 screw fit, so the screw drives with resistance instead of spinning, which helps maintain alignment as the joint pulls together. The bit can also be used with screws smaller than #7, so one tool can handle a range of smaller fasteners in the shop. It works well in all types of materials, letting you move from one job to another without changing bits just to keep hole sizing consistent.

    Key Castle Drill Bit Details For Daily Work

    • The 7/64 inch Castle drill bit creates a pilot that is sized for a snug fit with a #7 screw, which supports strong holding power where fasteners cannot loosen easily.
    • The bit is designed for use when a #7 screw requires a driver for screw insertion, so the screw does not drive freely by hand and the joint pulls together under controlled torque.
    • The same bit can also be used for screws smaller than #7, allowing one diameter to handle multiple small-fastener pilot needs on repetitive bench work.
    • The drill bit works well in all types of materials, so you can move between different stock without changing bits just to keep a predictable pilot size.
    • The bit is identified as Castle model B00764, giving a clear reference when you need to match existing setups or reorder the same cutting geometry.

    Drill Bit Shank And Point Style For Setup

    This Castle drill bit uses a 1/4 inch shank, which seats securely in chucks designed for that shank size and helps transmit torque without slipping. The shank size also simplifies indexing in equipment that expects 1/4 inch tooling. The bit features a split point, so the cutting edges start the hole with less wandering, which is useful when you are placing pilots close to edges or hardware locations. The split point geometry helps the bit engage material quickly, which supports faster, repeatable drilling cycles on production or shop fixtures.

    Using This Castle Drill Bit In Woodworking Setups

    Where The Castle 7/64 Drill Bit Fits

    The 7/64 inch Castle drill bit is described as a Castle drill bit with a 1/4 inch shank, so it is suited to drills and boring equipment that accept that shank size. The bit is specified for use with the TSM21 and TSM35, so it fits into workflows built around those machines when you need a pilot that matches #7 screws. The drill bit is in the drill bits product class under bits, blades and cutters, which places it in the boring and drilling stage of wood and material processing. Because the bit works well in all types of materials, it can follow jobs that move from one substrate to another without changing the drill setup between steps.

    Why The B00764 Details Matter For Results

    The B00764 Castle drill bit is described as a split point bit, which means the point is shaped to start on target and cut into the material quickly, helping you hold layout lines and reduce walking at the start of the hole. The recommendation to use this bit when a snug fit is desired with a #7 screw that requires a driver for screw insertion links the 7/64 inch diameter directly to controlled screw engagement, which matters for joints that rely on tight pilots for strength. The fact that the bit can also be used for screws smaller than #7 makes B00764 a flexible choice when a job mixes small screw sizes but still needs consistent, close-fitting pilots. Working well in all types of materials keeps the drilling behavior predictable, so once you dial in your process, you can repeat it across different stock with the same bit.

    Common Questions About Castle B00764 Drill Bit

    What screw size is this Castle 7/64 x #7 drill bit intended for?

    The Castle 7/64 x #7 drill bit is intended for a snug fit with a #7 screw, so the screw engages firmly in the pilot hole during installation.

    How does the 7/64 inch size affect #7 screw insertion?

    The 7/64 inch size produces a tight pilot so a #7 screw requires a driver for insertion, which helps the threads bite and pull parts together solidly.

    Can this Castle drill bit be used with smaller screws?

    The Castle drill bit can also be used for screws smaller than #7, giving one pilot option for various small fasteners while keeping holes close-fitting.

    What is the shank size on the B00764 Castle drill bit?

    The B00764 Castle drill bit has a 1/4 inch shank, which fits chucks and tooling that accept that shank size for secure driving.

    What does the split point on this drill bit do in use?

    The split point on this drill bit helps the tip start cutting quickly and stay on line, which reduces wandering when placing precise pilot holes.

    Is this Castle drill bit suitable for different material types?

    The Castle drill bit works well in all types of materials, allowing a single B00764 bit to handle varied stock within the same job sequence.

    Select The Castle 7/64 Drill Bit For Tight Pilots

    The Castle 7/64 inch drill bit with 1/4 inch shank and split point is built to deliver snug pilots for #7 screws and smaller sizes. Its performance in all types of materials and its defined B00764 model identity help keep drilling setups consistent across repeat jobs.

    Diameter (in)
    7/64 in
    Material Type
    HSS
    Shank Diameter (mm)
    1/4 in
    Shank Style
    Round
    Product Type
    Split Point Drill Bit
    Approx. Supplier Pack Size
    1
    Sold In
    1
    Diameter (in)
    7/64 in
    Material Type
    HSS
    Shank Diameter (mm)
    1/4 in
    Shank Style
    Round
    Product Type
    Split Point Drill Bit
    Approx. Supplier Pack Size
    1
    Sold In
    1
    Castle
    Vernon Hills, IL
    Vernon Hills, IL
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