Special Threads, Gauges Intro SL LH Tr GP General Purpose Series SP Left Spiral Fluted Taps for Trapezoidal Left Hand Threads FEATURES SL HSS-E LH LONGLEFT HANDTHCHT Spiral fluted tap for through hole left hand trapezoidalthreads.The thread angle is 30°.Thread symbol is Tr. PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min) P1 ≤5 H P2 ≤5 H ST H 1st choice I suitable ROLL JIS-SL LH Tr TYPE: SL_001 CARBIDE K DCON LONG THL LK KLF HAND TAPS Tr Ø Hole Ø(mm)(mm) Code THCHT LF(chamfer)(mm)THL DCON K(mm)(mm)(mm)LK(mm) NOF Type Stock JIS EG (STI) TR10X2 8.1 8.18 ZYT10Q0HEB 26P 160 70 7.8 6 9 3 001 f TR12X3 9.2 9.24 ZYT12S0HEB 23P 190 95 9 7 10 3 001 f TR12X2 10.1 10.18 ZYT12Q0HEB 30P 170 80 9 7 10 3 001 f SPECIALTHREADS,GAUGESTR14X3TR16X4 11.2 11.24 ZYT14S0HEB 23P 190 95 11 9 12 3 001 f12.2512.28ZYT16U0HEB22.5P220120129123001f JIS TR16X3 13.2 13.24 ZYT16S0HEB 25P 200 100 13 10 13 3 001 f TR18X4 14.25 14.28 ZYT18U0HEB 22.5P 220 120 14 11 14 4 001 f THREADMILLSTR20X4TR22X5 16.25 16.28 ZYT20U0HEB 24.5P 230 130 16 12 15 4 001 f17.317.34ZYT22W0HEB22P2501501814174001f TR24X5 19.3 19.34 ZYT24W0HEB 24P 260 160 19 15 18 4 001 f TR25X5 20.3 20.34 ZYT25W0HEB 25P 270 170 20 15 18 4 001 f DIES TR26X5 21.3 21.34 ZYT26W0HEB 27P 280 180 21 17 20 4 001 f TR28X5 23.3 23.34 ZYT28W0HEB 28P 290 190 22 17 20 4 001 f TR30X6 24.3 24.38 ZYT30Y0HEB 25P 300 200 24 19 22 4 001 f CENTER DRILLS Technical info 582