Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk LS-HT Long Shank Hand Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (for blind hole) Spiral Fluted Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes 3/4-10UNC P3 TNMRU12V120 1.5P 200 33 - 70 15 12 15 4 3 △ TNMRU12P515 5P 3/4-16UNF P3 150 33 - 70 15 12 15 4 3 △ TNMRU12P115 1.5P TNMRU14W520 5P (for through hole) Spiral Fluted Taps 7/8-9UNC P3 200 33 - 70 17 13 16 4 3 △ TNMRU14W120 1.5P TNMRU16X515 150 5P TNMRU16X520 200 1 -8UNC P3 39 - 80 19 15 18 4 3 △ TNMRU16X115 150 (for through hole) Spiral Pointed Taps 1.5P TNMRU16X120 200 Hand Taps Carbide Taps Cemented Roll Taps Simple Inspection Tools Special Thread Taps Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order HT-28 For improvement, spec may change without advance notice. 453