How many threads are in a tap?
The tapering of the threads distributes the cutting action over several teeth. A taper tap consists of 7 to 10 threads. A plug tap consists of 3 to 5 threads. A bottom tap consists of 1 to 2 threads. Taps (as well as dies) come in a variety of configurations and materials.
What are hand taps?
Hand taps are cutting tools that produce helical grooves in a hole in order to insert a fastener. Taps are used in multiple industries and trades. Hand taps have a straight flute and come in a taper, plug or bottoming chamfer. The tapering of the threads distributes the cutting action over several teeth.
Are there left-hand tap coatings available?
Left-hand tap coatings are offered in titanium nitride as well as a variety of other coatings which can be customized according to the needs of your job. See our Popular Special Tap Category for left-handed fractional and machine screw taps not included in the Common National Coarse or National Fine Series.
How long does it take to ship specialty taps?
Our popular Specialty Tap page includes hand taps not included in the National Coarse (UNC) or National Fine (UNF) series and can be shipped within 24 hours.
What is the difference between a hand tap and taper tap?
Hand taps have a straight flute and come in a taper, plug or bottoming chamfer. The tapering of the threads distributes the cutting action over several teeth. A taper tap consists of 7 to 10 threads.
What is an interrupted-thread tap?
Also known as interrupted-thread taps, these have extra space between the cutting threads, so large chips fall without packing and high amounts of lubricant can flow between the tap and the workpiece. Drill and thread holes for pipe and conduit without switching tools.
What is an extra long shank tap?
These taps have an extra-long shank for extended reach. Create oversized threads while keeping chips clear. These taps are sized for use in holes where the threads will shrink due to heat treatment or plating. These taps cut left-hand threads while keeping chips clear.