High Speed Steel. Ground Thread . Plug taps are the most popular hand tap, with a lead in between Taper Taps and Bottoming Taps. Can be used in a machine as well as by hand( but it does not drive the chips ahead like a Spiral Point Tap).
Features and Benefits:Compare the S-K SureGrip® screwdrivers to other professional brandsThis screwdriver provides a sure grip at both endsThe comfortable square handle helps you grip the screwdriver even if your hands are greasyThe vapor blasted tips help the screwdriver grip the fastener WE CANNOT SHIP THIS ITEM TO APO ADDRESSES.
For handling miniature and micro-miniature parts. With tapered shanks, not as thick as pattern No. OO, flat edges and points that have ben honed and are very sharp. Overall length 4-1/2" (114 mm).