McMaster-Carr logo
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    15 Products

    Tap, Die, and Thread File Kits

    Image of Product. Front orientation. Tap, Die, and Thread File Kits.
    Repair screw threads in a wide range of sizes. The dies are hex shaped for use with conventional wrenches. The taps have a square shank that's compatible with tap wrenches and tap holders for drill presses and drilling machines. With a plug chamfer, all taps have 3-5 chamfered threads and are suitable for thread repair in both through holes and closed-end holes.
    No. of
    Pieces
    Tap Sizes Included
    Die Sizes Included
    File Sizes Included
    Container
    Type
    Each
    Carbon Steel
     
    Right-Hand Thread
    531/4”-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, 9/16"-18, 9/16”-12, M6 × 1.00 mm, M8 × 1.25 mm, M10 × 1.25 mm, M10 × 1.50 mm, M12 × 1.25 mm, M12 × 1.50 mm, M12 × 1.75 mm1/4"-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, 9/16"-12, 9/16"-18, 5/8"-11, 5/8"-18, 3/4"-10, 3/4"-16, 3/4"-20, M6 × 1.00 mm, M6 × 1.25 mm, M7 × 1.00 mm, M8 × 1.00 mm, M8 × 1.25 mm, M8 × 1.50 mm, M10 × 1.00 mm, M10 × 1.25 mm, M10 × 1.50 mm, M12 × 1.25 mm, M12 × 1.50 mm, M12 × 1.75 mm, M14 × 1.25 mm, M14 × 1.50 mm, M20 × 1.50 mmFor 11 to 24 threads per inch, For 0.8 to 3 mm thread pitchesPlastic Case000000000000000
     

    Dies

    Image of Product. Front orientation. Dies. Dies.
    Rotate these dies around studs and rods to create new fastener threads. A cut above lower-quality dies that can leave inferior threads, these are machined in the U.S. to precise dimensions for accuracy and consistency.
    They are adjustable, so you can cut a shallow thread that makes it easier to get the die started on the first pass. Turn the set screw to open the die to its largest diameter. Then rotate the die with a round die wrench and adjust the screw as you make additional passes to reach the proper thread size.
    Uncoated High-Speed Steel—The most versatile dies stay sharp and cut cleanly, even if you use them every day. They last much longer than carbon steel dies and you won’t have to work as hard to create threads.
    Titanium Nitride (TiN)-Coated High-Speed Steel—When you regularly work on challenging metals like stainless steel, choose dies with a TiN coating that reduces friction and resists heat. They turn faster and last longer than uncoated dies.
    Uncoated
    High-Speed Steel
    Titanium Nitride
    (TiN)-Coated High-Speed Steel
    Die Wrenches
    Thread Size
    Thread
    Type
    Each
    Each
    Each
    1 1/2" OD
    M20 × 2.5 mmMetric
    0000000000000———000000000000000
     
    2" OD
    M20 × 1.5 mmMetric
    000000000000000000000000000000000000000
    M20 × 2.5 mmMetric
    00000000000000000000000000000000000000
     

    Left-Hand Dies

    Image of Product. Front orientation. Dies. Left-Hand Dies.
    Make your own threads instead of searching for left-hand fasteners, which can be expensive and hard to find. A cut above lower-quality dies that can leave inferior threads, these are machined in the U.S. to precise dimensions for accuracy and consistency. They are adjustable, so you can create a shallow thread that makes it easier to get the die started on the first pass. Turn the set screw to open the die to its largest diameter. Then rotate the die with a round die wrench and adjust the screw as you make additional passes to reach the proper thread size.
    Uncoated High-Speed Steel—The most versatile dies stay sharp and cut cleanly, even if you use them every day. They last much longer than carbon steel dies and you won’t have to work as hard to create threads.
    Uncoated
    High-Speed Steel
    Die Wrenches
    Thread Size
    Thread
    Type
    Each
    Each
    1 1/2" OD
    M20 × 2.5 mmMetric
    000000000000000000000000000
     

    Thread-Repairing Dies

    Image of Product. Front orientation. Dies. Thread-Repairing Dies.
    Rescue mangled threads and return them to like-new condition. By repairing threads, you don’t have to replace the fastener or resize holes. These dies smooth out flaws and remove rust so threads engage properly and connections stay strong. Turn them with a hex die wrench or a standard adjustable wrench.
    Don’t risk damaging threads further with an inferior-quality die. Our dies are machined in the U.S. to precise dimensions for a perfect thread profile.
    Uncoated Carbon Steel—Hard and wear resistant for a long life, these dies work well on both metal and plastic.
    Uncoated
    Carbon Steel
    Thread Size
    Thread
    Type
    Wd.
    Each
    M20 × 1 mmMetric
    1 5/8"00000000000000
    M20 × 1.5 mmMetric
    1 5/8"000000000000
    M20 × 2.5 mmMetric
    1 5/8"000000000000

    Thread-Repairing Die Sets

    Image of Product. Front orientation. Dies. Thread-Repairing Die Sets.
    Be ready for repairs by keeping a range of die sizes on hand. These dies smooth out flaws and remove dirt and rust so threads make strong connections. Don’t risk damaging threads further with an inferior quality die. Our dies are machined in the U.S. to precise dimensions for a perfect thread profile. Turn with a hex die wrench or a standard adjustable wrench.
    Uncoated Carbon Steel—Hard and wear resistant for a long life, these dies work well on both metal and plastic.
    No. of
    Dies
    Thread Size
    Thread
    Type
    Wd.
    Container
    Type
    Each
    Uncoated Carbon Steel
    7M6, M8, M10, M12, M14, M16, M20Metric
    19/32", 11/16", 7/8", 1 1/16", 1 1/4", 1 5/8"Plastic Case00000000000000
     

    Tap and Die Kits

    Image of Product. Front orientation. Tap and Die Kits.
    Use a single kit for many sizes of internal and external threads. The taps and dies are for use on most metal and plastic.
    Carbon Steel—Carbon steel taps are for thread repair and occasional tapping.
    Plug Chamfer—Plug-chamfer taps are a versatile choice for most tapping applications. With 3-5 chamfered cutting threads, they require moderate torque and are often used for start-to-finish tapping of through holes and closed-end holes. However, they do not start threads as easily as taper-chamfer taps. When using them to tap closed-end holes, be sure to leave sufficient space at the bottom for chips to accumulate.
    Taper Chamfer—Taper-chamfer taps have 7-10 chamfered threads at the tip for cutting into the workpiece. They require less torque than other chamfer types, making them a good choice for starting threads and tapping through holes. However, a longer taper means that they cannot thread as close to the bottom of closed-end holes.
    Hex—Hex-shaped dies are for thread repair and can be used with conventional wrenches.
    No. of
    Pieces
    Tap Sizes Included
    Tap Chamfer
    Type
    Die
    Shape
    Die Sizes Included
    Wd.
    Container
    Type
    Includes
    Each
    Carbon Steel Taps and Dies
     
    Right-Hand Thread
    25M14 × 1.25 mm, M14 × 1.50 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 mm, M18 × 1.50 mm, M18 × 2.50 mm, M20 × 2.50 mm, M22 × 1.50 mm, M24 × 2.00 mm, M24 × 3.00 mmPlugHexM14 × 1.25 mm, M14 × 1.50 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 mm, M18 × 1.50 mm, M18 × 2.50 mm, M20 × 2.50 mm, M22 × 1.50 mm, M24 × 2.00 mm, M24 × 3.00 mm1 7/16", 1 13/16"Plastic CaseDie Wrench (2), Tap Wrench000000000000000
    651/8"-28, M3 × 0.50 mm, M4 × 0.70 mm, M4 × 0.75 mm, M5 × 0.80 mm, M5 × 0.90 mm, M6 × 1.00 mm, M7 × 1.00 mm, M8 × 1.00 mm, M8 × 1.25 mm, M9 × 1.00 mm, M9 × 1.25 mm, M10 × 1.25 mm, M10 × 1.50 mm, M11 × 1.50 mm, M12 × 1.50 mm, M12 × 1.75 mm, M14 × 1.25 mm, M14 × 1.50 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 mm, M18 × 1.50 mm, M18 × 2.50 mm, M20 × 2.50 mm, M22 × 1.50 mm, M24 × 2.00 mm, M24 × 3.00 mmPlug, TaperHex1/8"-28, M3 × 0.50 mm, M4 × 0.70 mm, M4 × 0.75 mm, M5 × 0.80 mm, M5 × 0.90 mm, M6 × 1.00 mm, M7 × 1.00 mm, M8 × 1.00 mm, M8 × 1.25 mm, M9 × 1.00 mm, M9 × 1.25 mm, M10 × 1.25 mm, M10 × 1.50 mm, M11 × 1.50 mm, M12 × 1.50 mm, M12 × 1.75 mm, M14 × 1.25 mm, M14 × 1.50 mm, M14 × 2.00 mm, M16 × 1.50 mm, M16 × 2.00 mm, M18 × 1.50 mm, M18 × 2.50 mm, M20 × 2.50 mm, M22 × 1.50 mm, M24 × 2.00 mm, M24 × 3.00 mm5/8", 1", 1 3/16", 1 7/16", 1 13/16"Plastic CaseDie Wrench (4), Tap Wrench (4), Thread Gauge0000000000000
     
    back to top