Drillco Cutting Tools 4''-8 Pipe Taps 290A464 Product Description High Speed Steel Bright Fractional Pipe Taps Taper Pipe (NPT) The nominal size of a Taper Pipe Tap (NPT) is that of the pipe fitting to be tapped, not the actual size of the tap. Features Geoemetry is ideal for through or blind holes Premium grade HSS for extended life Bright finish for added lubricity Square shank for use with standard sized tap wrenches Made in USA Specifications SKU:DRL-290A464 UPC:045996993547 Minimum Purchase:1 unit Package Type:Plastic box MSDS Name:HSS Measurement System:Fractional Finish:Bright Material:High Speed Steel (M2) Number of Flutes:8 Number of Pieces:1 PC Overall Length:6-3/4" Tap Chamfer:Plug Tap Drill Size:4-1/4" Tap Hole Type:Through or Blind Hole Tap Length of Thread:2-3/4" Tap Size:4 - 8" Tap Square Size:2.25" Tap Thread Type:Pipe Country of Origin:US Applications Used to produce a tight sealing thread Used mainly on threaded pipe and pipe fittings Used mainly to cut new threads Product Documents Brochure