Overall Thread Position on Shank Size of Length of length length basic dia. dia. square square L ℓ ℓg Ds K ℓk LS-S-PT (for blind hole) Spiral Fluted Taps Long Shank Hand Taps for Taper Pipe Threads, Short (ℓg) Type Specification (for through hole) Spiral Fluted Taps E PT 3/4 ~ Recommended Tapping Speeds depending on Materials (for through hole) Spiral Pointed Taps Medium carbon steels TYPE:1 〜5 For icon explanation, refer to P.50 Hand Taps g Segment:1G Carbide Taps Cemented Basic L ℓ ℓg Ds K ℓk No. of Size Class Code Chamfer major dia (mm) (mm) (mm) (mm) (mm) (mm) flutes Type Stock (mm) For Pipe Threads TSPT02KL10 100 PT 1/8-28 Ⅱ TSPT02KL15 2.5P 9.728 150 16.5 10.5 8 6 9 4 1 ○ Roll Taps TSPT02KL20 200 △ TSPT04-L10 100 PT 1/4-19 Ⅱ TSPT04-L15 2.5P 13.157 150 19.5 12.5 11 9 12 4 1 ○ TSPT04-L20 200 △ Simple Inspection Tools Special Thread Taps TSPT06-L10 100 ○ TSPT06-L12 120 △ PT 3/8-19 Ⅱ 2.5P 16.662 21 14 14 11 14 4 1 TSPT06-L15 150 ○ TSPT06-L20 200 △ Pipe Taps TSPT08QL15 150 ○ PT 1/2-14 Ⅱ 2.5P 20.955 27 17 18 14 17 4 1 TSPT08QL20 200 △ TSPT12QL15 150 ○ PT 3/4-14 Ⅱ 2.5P 26.441 29 19 23 17 20 4 1 TSPT12QL20 200 △ TSPT16UL15 150 ○ Thread Mills PT 1 -11 Ⅱ 2.5P 33.249 35 22 26 21 24 5 1 TSPT16UL20 200 △ Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order Pipe-8 For improvement, spec may change without advance notice. 557