• PREMIUM TAP & DIE SET: Quickly repair stripped threads and screws with our easy-to-use SAE tap and die kit. The taps and dies feature coarse (UNC) and fine (UNF) thread designations for a large variety of hand-threading applications.
• HIGH-QUALITY THREADING TOOLS: Each tap and die is made with strong GCr15 alloy steel for superior blade hardness and has a titanium coating for extra durability and corrosion and rust resistance, making these tools the perfect mechanic accessories.
• THE RIGHT SIZE: Our 40-piece SAE dies and taps kit has the right-sized piece for your threading needs. This threading-tool set includes 20 UNC coarse-thread pieces in sizes 1/4" to 7/16" and 12 UNF fine-thread pieces in sizes 1/4" to 1/2".
• EASY-TO-READ SIZING: Reduce time trying to find the right size with our thread-repair tool kit. Each tool has an engraved size marking to ensure easy identification so you can focus on your home project or professional mechanic work.
• CONVENIENT TOOLS: Our auto-threader kit includes an adjustable tap wrench, an adjustable die wrench, screwdrivers, and a gauge. This precise set comes in a heavy-duty blow-molded case for easy storage and travel.

Cut and Repair Metal Threads Yourself
Neiko's 40-piece SAE Tap and Hexagon Die Set is a premium, precision tool kit for hand cutting, and repairing of metal threads in your home workshop or garage.
How Do Taps and Dies Cut?
Taps cut internal threads, such as those found in nuts or within pre-drilled holes. This is known as "tapping." Dies, cut external threads on rods, such as those on screws. This is known as "threading." Taps and dies are also used to repair damaged threads, known as "chasing" a thread. The included tap wrench, T-handle wrench, and screw pitch gauge literally put the power of your tap and dies in the palm of your hands, saving you time, money and hassles during your next project.
Maximized Durability and Usability
The cutting pieces of this tap die set feature high strength GCr15 alloy steel construction, and a titanium coating allowing them to cut through metals including cast iron, aluminum, brass, and carbon steel, while maintaining their durability and rust resistance. The taps and dies are sized from #4 to 1/2-inch, and feature coarse (UNC) fine (UNF) and national pipe (NPT) thread designations, ensuring usability in many hand threading applications.
The 40 Piece Set Includes: 10 - coarse thread (UNC) plug type taps (sizes: 4-40, 6-32, 8-32, 10-24, 12-24, 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13) 10 - coarse thread (UNC) hexagonal dies (sizes: 4-40, 6-32, 8-32, 10-24, 12-24, 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, 1/2"-13) 6 - fine thread (UNF) plug type taps (sizes: 0-32, 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20) 6 - fine thread (UNF) hexagonal dies (sizes: 0-32, 1/4"-28, 5/16"-24, 3/8"-24, 7/16"-20, 1/2"-20) 1 - NPT die: 1/8"-27 1 - NPT tap: 1/8"-27 1 - adjustable tap wrench 1 - T-Handle tap wrench 1 - adjustable die wrench 1 - screwdriver 1 - screw pitch gauge 1 - ABS protective storage case