McMaster-Carr logo
    Filter by
    System of Measurement
    For Hole Type
    Thread Type
    Industrial Info Compare
    Flute Type
    Shank Type
    Number of Flutes
    Number of Pieces
    Chamfer Type
    Pitch Diameter Limit
    Attribute Image
    Sold As
    Performance
    Component
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Industrial Info Snippet
    DFARS Specialty Metals
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    4 Products

    Chip-Clearing Tap Sets

    Image of Product. Front orientation. Taps. Chip-Clearing Tap Sets.
    A range of sizes that remove chips so they don’t ruin the threads or jam the tap. The spiral-point flutes force chips through the hole to prevent buildup and create threads faster than standard taps. Also known as gun taps.
    High-Speed Steel—The most versatile taps resist heat and wear to stay sharp. They’re good for most metals and plastic.
    Gold Oxide—The finish increases wear resistance and reduces friction to improve chip flow, so these taps can last 50% longer than uncoated taps.
    Plug Chamfer—Our go-to chamfer type. With a longer taper than a bottoming chamfer, they are easier to turn but won't thread as close the bottom of a hole.
    Spiral-Point Flute
    for Through Holes
    No. of
    Pieces
    Thread Size
    Thread
    Type
    No. of
    Flutes
    Container
    Type
    Shank
    Type
    Mfr.
    Chamfer
    Type
    Each
    High-Speed Steel
     
    Gold Oxide
    101/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20
    UNF, UNC
    2, 3Metal CaseSquareViking Norseman DrillPlug27275A210000000
    190-80, 1-64, 1-72, 2-56, 2-64, 3-48, 3-56, 4-40, 4-48, 5-40, 5-44, 6-32, 6-40, 8-32, 8-36, 10-24, 10-32, 12-24, 12-28
    UNF, UNC
    2Metal CaseSquareViking Norseman DrillPlug27275A22000000
     

    Chip-Clearing Tap and Drill Bit Sets for Through Holes

    Image of Product. Front orientation. Tap and Drill Bit Sets. Chip-Clearing Tap and Drill Bit Sets for Through Holes.
    Also known as gun taps, the taps in these sets have spiral-point flutes that push chips ahead of the tap and out of through holes. Because they don't need to be reversed to prevent buildup, they produce threads more efficiently than standard taps and are suitable for production work. Taps have a square shank for compatibility with tap wrenches and tap holders for drill presses and milling machines. With a plug chamfer, they have 3-5 chamfered cutting threads, so they're suitable for start-to-finish tapping. All taps and drill bits are made of high-speed steel for use on most metal and plastic.
    No. of
    Pieces
    Chamfer
    Type
    Tap Sizes
    Included
    Overall Lg.
    Thread
    Type
    No. of
    Flutes
    Pitch Dia.
    Limit
    Drill Bit Sizes
    Included
    Drill Bit Material
    Container
    Type
    Mfr.
    Each
    Gold-Oxide High-Speed Steel Tap
    18Plug6-40
    8-36
    10-24
    10-32
    1/4"-28
    5/16"-24
    3/8"-24
    7/16"-20
    1/2"-20
    2 1/16"
    2 7/32"
    2 15/32"
    2 5/8"
    2 7/8"
    3 1/8"
    3 5/32"
    3 3/8"
    UNF
    2, 3H2, H329/64"
    25/64"
    33 ga.
    29 ga.
    25 ga.
    21 ga.
    3 ga.
    I
    Q
    Black/Gold Oxide High-Speed SteelMetal CaseViking Norseman Drill27275A320000000
    18PlugM2.5 × 0.45 mm
    M3 × 0.5 mm
    M3.5 × 0.6 mm
    M4 × 0.7 mm
    M5 × 0.8 mm
    M6 × 1.00 mm
    M8 × 1.25 mm
    M10 × 1.5 mm
    M12 × 1.75 mm
    1 13/16"
    1 15/16"
    2"
    2 1/8"
    2 3/8"
    2 1/2"
    2 23/32"
    2 15/16"
    3 3/8"
    Metric
    2, 3D3, D4, D5, D62.05 mm
    2.5 mm
    2.9 mm
    3.3 mm
    4.2 mm
    5 mm
    6.7 mm
    8.5 mm
    10.2 mm
    Black/Gold Oxide High-Speed SteelMetal CaseViking Norseman Drill27275A11000000
     
    back to top