Description
Machine Screw Sizes
Fractional Size: 4-40″ NC
L2: 1 7/8″
L1: 1 7/8″
L3: 3/16″
A: 0.110″
Flutes: 3
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
