Hand Taps are the most popular style in general machine tapping operations and are appropriate for the vast majority of materials and conditions. They are for general use in production tapping or hand operations. Taper, Plug and Bottoming styles provide great versatility in tough materials, blind and thru holes. Taper Style - Starts the thread square with the workpiece. Plug Style - Generally used in thru holes. Bottoming Style - Generates the thread to the bottom.
Packaging: 0 thru 1/4, - 12 per box.
5/16 thru 1/2, - 6 per box.
9/16 thru 1 inch, - 3 per box.
1-1/8 and up are individually packaged