Description
Fractional Sizes
Fractional Size: 1/4-28″ NF
L2: 1″
L1: 2 1/2″
L3: 5/16″
A: 0.191″
Flutes: 4
High speed steel ground thread
Square drive shank
Right hand cutting direction, straight flute
Bright finish Applications: Taps cut a thread on the inside surface of a hole, creating a female surface which functions like a nut. Well suited for a variety of ferrous & non-ferrous materials. TaperUsed in through-holes and for starting threads