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    3 Products

    Reamers for Taper-Pin Holes

    Shape holes to match the profile of taper pins. After drilling a hole that matches the size of the small end of the taper pin you want to install, use these reamers to taper and finish the hole.
    Round Shank
    Image of Product. Front orientation. Contains Annotated. Reamers. Reamers for Taper-Pin Holes, Round Shank, Helix Flute.

    Helix Flute

    These reamers fit in the chuck of drill presses, turret lathes, and other machine and power tools, making them the most common shank type.
    Helix Flute—Prevent clogging when removing excess material with helix flutes. They also leave a smoother finish than straight flutes.
    High-Speed Steel—Durable and wear resistant, these are good for general purpose reaming in most materials.
    Left-Hand Spiral—These reamers push chips downward as they cut, so they're often used in through holes.
    Lg., mm
    For Taper
    Pin No.
    Reamer
    Dia. (A), mm
    Reamer
    Dia. (B), mm
    Material
    Flute
    Overall
    No. of
    Flutes
    Spiral
    Direction
    Cutting Dia. Tolerance,
    mm
    Rate of
    Taper
    For Use On
    Each
    Helix Flute
     
    Metric
    2.53.46002.4000High-Speed Steel53793Left Hand-0.0254 to 0.02541:48Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel00000000000000
     
    Square Shank
    Image of Product. Front orientation. Contains Annotated. Reamers. Reamers for Taper-Pin Holes, Square Shank, Straight Flute.

    Straight Flute

    Turn these reamers by hand with an adjustable wrench, straight-handle tap wrench, or pin vise (sold separately).
    Straight Flute—The most common flute style, these reamers are suitable for a wide range of applications, but not recommended for holes with a keyway or other breaks in the surface.
    High-Speed Steel—Durable and wear resistant, these are good for general purpose reaming in most materials.
    Lg., mm
    For Taper
    Pin No.
    Reamer
    Dia. (A), mm
    Reamer
    Dia. (B), mm
    Material
    Square Shank
    Size, mm
    Flute
    Overall
    No. of
    Flutes
    Cutting Dia.
    Tolerance, mm
    Rate of
    Taper
    For Use On
    Each
    Straight Flute
     
    Metric
    2.53.36002.4000High-Speed Steel2.8486840 to 0.0751:50Aluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel00000000000000
     

    Reaming Drill Bits for Taper-Pin Holes

    Drill and shape holes for taper pins in a single pass. The cutting edge of these bits also breaks chips into smaller pieces for easier removal to prevent clogging.
    High-Speed Steel
    Image of Product. Front orientation. Contains Annotated. Drill Bits. Reaming Drill Bits for Taper-Pin Holes, Spiral Flute, Round Shank.

    Spiral Flute

    Round Shank

    Wear and heat resistant, these bits are versatile for use on a range of materials.
    Round Shank—The most common shank type. These fit in the chuck of drill presses and portable drills.
    Reamer
    Diameter, mm
    For Taper
    Pin No.
    Overall
    Lg., mm
    Flute
    Type
    Shank
    Type
    No. of
    Flutes
    Flute Lg.,
    mm
    (A)
    (B)
    Rate of
    Taper
    Each
     
    Metric
    2.589SpiralRound2563.42.31:500000000000000
     
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