WALTER TECHNOLOGIES 20A132FS TAP ST HSS 1/2-20

HSS Hand Tap. Straight Flute “Hand Taps” are the most popular and versatile style of taps in general machine tapping operations. They are for general use in production tapping or hand operations in a wide range of application material groups. Taper: 7-10 pitch chamfer length. Starts the thread square with the work piece. Plug: 3-5 pitch chamfer length. Generally used in through holes. Bottoming: 1-2 pitch chamfer length. Generates the thread to the bottom. Sets: Contains 1 each of Taper, Plug and Bottoming.