Description
Fractional Sizes
Fractional Size: 1/2 -20″ NF
L2: 1 21/32″
L1: 3 3/8″
L3: 7/16″
A: 0.275″
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. BottomingUsed in blind holes where threads must come as close to the hole’s bottom as possible
