Industrial 413 HSV trapezoidal plug hand tap, Acme 1-1/4-8, with a 4-flute cutting head designed to cut internal trapezoidal (Acme) threads in metal. This hand tap creates robust, alignment-friendly threads in holes to accommodate matching Acme power-screw components and similar fasteners. The 4-flute design aids cutting efficiency and chip clearance when used with a standard tap wrench for manual threading.
