Spiral Pointed Tap Overall Thread Thread+Neck Shank Size of Length of length length length dia. square square L ℓ ℓn Ds K ℓk ZELX SS PO Spiral Pointed Taps for Stainless Steels Spiral Fluted Taps (for blind hole) Size Class Code Chamfer L ℓ ℓn Ds K ℓk No. of Type (inch) (inch) (inch) (inch) (inch) (inch) flutes 1 1/2-6UNC GH6 Y82707 4.5P 6.375 1.811 - 1.233 0.925 1.125 4 4 1 1/2-12UNF GH5 Y82708 4.5P 6.375 1.811 - 1.233 0.925 1.125 4 4 1 3/4-5UNC GH7 Y82709 4.5P 7 1.929 - 1.430 1.072 1.25 4 4 Spiral Fluted Taps (for through hole) 2-4.5UNC GH7 Y82710 4.5P 7.625 1.929 - 1.644 1.233 1.375 4 4 Spiral Pointed Taps (for through hole) Hand Taps Cemented Carbide Taps Roll Taps Pipe Taps Simple Inspection Tools Thread Mills Dies Center Drills Centering Tools ANSI PO-11 238