Flute Class Material Main material Class Outside diameter Thickness Front face Symbol of flute design Spiral Straight Spiral point Left hand spiral Roll Symbol of size Symbol of flute design SP HT PO SL RO Note 1: Product symbols shown in red mean thetap suitable for synchronized feed tapping. Overall length Shank dia. Chamfer lengthLDsℓcDrill hole shape P: B: Tap selection MainmaterialSymbol Code L Ds ℓc Productpage Dies selection Symbol Code Productpage DMie2s Note 1 Note 1 Taps / Tr 14 × 3 Dies / S0.5 × 0.125 DMie3s For trapezoidal threads 12 SL Tr LYT14S0HEB SL - 190 11 23P ⑦ -42 Rolling dies For MiniaturethreadsHSS 129⑮ MS-RS-D R2 6 2 - RA20.5- ⑩ -47 For left handthreads12 SL LH Tr ZYT14S0HEB SL - 190 11 23P ⑦ -43 Dies / S0.6 × 0.15Taps / Tr 16 × 4Rolling diesFor MiniaturethreadsHSS 129⑮MS-RS-D R2 6 2 - RA20.6- ⑩ -47 DMie4s For trapezoidal threads 12 SL Tr LYT16U0HEB SL - 220 12 22.5P ⑦ -42For left handthreads12SL LH TrZYT16U0HEBSL-2201222.5P⑦ -43Dies / S0.7 × 0.175 DMie5s Taps / Tr 16 × 3 Rolling dies For MiniaturethreadsHSS 129⑮ MS-RS-D R3 6 2 - RA20.7- ⑩ -47 For trapezoidal threads 12 SL Tr Dies / S0.8 × 0.2LYT16S0HEBSL-2001325P⑦ -42 DMie6s For left handthreads12 SL LH Tr ZYT16S0HEB SL - 200 13 25P ⑦ -43 Rolling dies For MiniaturethreadsHSS 129⑮ MS-RS-D R3 8 3 - RO20.8- ⑩ -47 Taps / Tr 18 × 4 Dies / S0.9 × 0.225 DMie8s For trapezoidal threads 12 SL Tr LYT18U0HEB SL - 220 14 22.5P ⑦ -42 Rolling dies For MiniaturethreadsHSS 129⑮ MS-RS-D R3 8 3 - RO20.9- ⑩ -47 For left handthreads12 SL LH Tr ZYT18U0HEB SL - 220 14 22.5P ⑦ -43 DMie1s0 Taps / Tr 20 × 4 For trapezoidal threads 12 SL Tr LYT20U0HEB SL - 230 16 24.5P ⑦ -42For left handthreads12SL LH TrZYT20U0HEBSL-2301624.5P⑦ -43 DMie1s2 Taps / Tr 22 × 5 DMie1s-M8.5 For trapezoidal threads 12 SL Tr LYT22W0HEB SL - 250 18 22P ⑦ -42 For left handthreads12 SL LH Tr ZYT22W0HEB SL - 250 18 22P ⑦ -43Taps / Tr 24 × 5 DMie9s-M24 For trapezoidal threads 12 SL Tr LYT24W0HEB SL - 260 19 24P ⑦ -42 For left handthreads12 SL LH Tr ZYT24W0HEB SL - 260 19 24P ⑦ -43 DMie2s5-M48 Taps / Tr 25 × 5 For trapezoidal threads 12 SL Tr LYT25W0HEB SL - 270 20 25P ⑦ -42 DMie5s0-M100 For left handthreads12 SL LH Tr ZYT25W0HEB SL - 270 20 25P ⑦ -43 Taps / Tr 26 × 5 DtFiheorsreUadnsified For trapezoidal threads 12 SL Tr LYT26W0HEB SL - 280 21 27P ⑦ -42 For left handthreads12 SL LH Tr ZYT26W0HEB SL - 280 21 27P ⑦ -43Taps / Tr 28 × 5 DFtiheorresWadhsitworth For trapezoidal threads 12 SL Tr LYT28W0HEB SL - 290 22 28P ⑦ -42For left handthreads12SL LH TrZYT28W0HEBSL-2902228P⑦ -43 DoFinoersSescw(rienwgSmthaMrcehaid)nsesused Taps / Tr 30 × 6For trapezoidal threads12 SL Tr LYT30Y0HEB SL - 300 24 25P ⑦ -42 DFioersPipe threads For left handthreads12 SL LH Tr ZYT30Y0HEB SL - 300 24 25P ⑦ -43 DpFieioprseAtmhreeraicdasn DFtiheorrseMadinsiature For improvement, spec may change without advance notice. Sizes-135