
Pipe Tap Series Overall length L Thread length ℓ Position on basic dia. ℓg Shank dia. Ds Size of square K Length of square ℓk ⑧ JIS LS-NPTF Spiral Fluted Taps (for blind hole) ① JIS Long Shank Hand Taps for American Dryseal Taper Pipe Threads Spiral Fluted Taps (for through hole) ② Specification ■The LS-NPTF is a long shank hand tap for the American dry seal tapered pipe threads and is used for products whose main purpose is Spiral Pointed Taps (for through hole) to withstand screw threads in connection with ③ parts for pipes. Recommended Tapping Speeds depending on Materials Medium carbon steels High carbon steels Alloy steels 中炭素鋼 高炭素鋼 合金鋼 〜 5 〜 5 〜 5 Hand Taps ( m / min ) ( m / min ) ( m / min ) ④ TYPE:1 TYPE:2 Cemented Carbide Taps ⑤ g g Segment:1G Roll Taps ⑥ Basic No. of TYPE Size Class Code Chamfer major dia L ℓ ℓg Ds K ℓk MSRP (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For American Pipe Threads 1/16-27 NPTF ANSI G TNTF01LL10 3P 7.770 100 17 12 8 6 9 4 1 ¥9,830 ※ 1/16-27 NPTF ANSI G TNTF01LL15 3P 7.770 150 17 12 8 6 9 4 1 ¥18,600 ※ Special Thread Taps Simple Inspection Tools ⑦ 1/8-27 NPTF ANSI G TNTF02LL10 3P 10.117 100 19 12.05 8 6 9 4 2 ¥9,830 ※ 1/8-27 NPTF ANSI G TNTF02LL15 3P 10.117 150 19 12.05 8 6 9 4 2 ¥18,600 ※ 1/4-18 NPTF ANSI G TNTF04OL10 3P 13.426 100 28 17.45 11 9 12 4 2 ¥14,000 ※ 1/4-18 NPTF ANSI G TNTF04OL15 3P 13.426 150 28 17.45 11 9 12 4 2 ¥18,800 ※ Pipe Taps 3/8-18 NPTF ANSI G TNTF06OL10 3P 16.866 100 28 17.65 14 11 14 4 2 ¥16,300 ※ ⑧ 3/8-18 NPTF ANSI G TNTF06OL15 3P 16.866 150 28 17.65 14 11 14 4 2 ¥31,000 ※ 1/2-14 NPTF ANSI G TNTF08QL15 3P 20.980 150 35 22.85 18 14 17 4 2 ¥37,400 ※ 3/4-14 NPTF ANSI G TNTF12QL15 3P 26.325 150 35 22.95 23 17 20 4 2 ¥58,600 ※ 1 -11 1/2 NPTF ANSI G TNTF16TL15 3P 32.934 150 45 27.4 26 21 24 5 2 ¥82,700 ※ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ JIS ※ = Specified Distribution Items. Made to order products. ⑧-96