Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools JIS ⑦ Special Thread Taps / Simple Inspection Tools Overall Thread Shank Size of Length oflengthlengthdia.squaresquareLℓDsKℓk JIS ① SL LH Tr A Spiral Flute Left Hand Trapezoidal Thread Tap Spiral Tap ② Specification ■The SL LH Tr is a spiral flute tap for through hole tapping of a left hand trapezoidal thread. The thread angle is 30°. The thread symbol is represented by Tr. ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels 低炭素鋼 中炭素鋼 〜5 〜5 ④ (m/min) (m/min) TYPE:1 ⑤ Segment:1S ⑥ Size Code Chamfer L(mm) ℓ (mm) Ds(mm) K (mm) ℓk(mm) No. offlutesTYPE MSRP For Trapezoidal threads Tr 10 × 2 ZYT10Q0HEB 26P 160 70 7.8 6 9 3 1 ¥57,100 ※ Tr 12 × 3 ZYT12S0HEB 23P 190 95 9 7 10 3 1 ¥75,600 ※ ⑦ Tr 12 × 2 ZYT12Q0HEB 30P 170 80 9 7 10 3 1 ¥75,600 ※Tr 14 × 3ZYT14S0HEB23P190951191231¥93,900 ※ Tr 16 × 4 ZYT16U0HEB 22.5P 220 120 12 9 12 3 1 ¥114,000 ※ Tr 16 × 3 ZYT16S0HEB 25P 200 100 13 10 13 3 1 ¥114,000 ※ Tr 18 × 4 ZYT18U0HEB 22.5P 220 120 14 11 14 4 1 ¥141,000 ※ ⑧ Tr 20 × 4 ZYT20U0HEB 24.5P 230 130 16 12 15 4 1 ¥164,000 ※ Tr 22 × 5 ZYT22W0HEB 22P 250 150 18 14 17 4 1 ¥190,000 ※ Tr 24 × 5 ZYT24W0HEB 24P 260 160 19 15 18 4 1 ¥217,000 ※ Tr 25 × 5 ZYT25W0HEB 25P 270 170 20 15 18 4 1 ¥234,000 ※ Tr 26 × 5 ZYT26W0HEB 27P 280 180 21 17 20 4 1 ¥249,000 ※ ⑨ Tr 28 × 5 ZYT28W0HEB 28P 290 190 22 17 20 4 1 ¥278,000 ※ Tr 30 × 6 ZYT30Y0HEB 25P 300 200 24 19 22 4 1 ¥304,000 ※ ⑩ ⑪ JIS ⑦-43 ※ = Specified Distribution Items. Made to order products.