Flute Class Material Main material Class Outside diameter Thickness Front face Icons of main materials 1 Low carbon steel   2 Medium carbon steel   3 High carbon steel   4 Alloy steel   5 Thermal refined stee(l 25~35HRC)   6 Thermal refined stee(l 35~45HRC)    7 Thermal refined stee(l 45~55HRC)   8 Thermal refined stee(l 50~63HRC)   9 Stainless steel    Tool steel   ⓫ Cast steel   ⓬ Cast iron    ⓭ Ductile cast iron   ⓮ Copper   ⓯ Brass   ⓰ Brass casting   ⓱ Bronze   ⓲ Wrought aluminum   ⓳ Aluminum alloy casting    ⓴ Magnesium alloy    Zinc alloy   ㉒ Titanium alloy   ㉓ Nickel base alloy   ㉔ Thermosetting plastic   ㉕ Thermoplastic resin  MDi2es Tap selection Mainmaterial Symbol Code L Ds ℓc Productpage Dies selection Symbol Code Productpage Note1 Note 1 MDi3es Taps / 9/32SM28 Dies / 3/32SM56 Standard 123 HT TNMQS18K5 HT P2 70 6.2 5P ④ -27 Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES06EDNEBC ⑩ -15 TNMQS18K1MDi4esTaps / 5/16SM24 1.5P ④ -27 Dies / 1/8SM40Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES08HDNEBC ⑩ -15 MDi5es Standard 123 HT TNMQS20M5 HT P2 70 6.2 5P ④ -28TNMQS20M11.5P④ -28Dies / 1/8SM44 Taps / 11/32SM28 Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES08GDNEBC ⑩ -15 MDi6es Standard 123 HT Dies / 9/64SM40TNMQS22K5HTP27575P④ -28 TNMQS22K1 1.5P ④ -28 Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES09HDNEBC ⑩ -15 MDi8es Dies / 11/64SM40 Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES11HDNEBC ⑩ -15 MD1i0es Dies / 3/16SM28 Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES12KDNEBC ⑩ -15 MD1i2es Dies / 3/16SM32 Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES12JDNEBC ⑩ -15 M1-M8D.i5es Dies / 7/32SM32 Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES14JDNEBC ⑩ -15 M9-MD2i4es Dies / 15/64SM28 Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES15KDNEBC ⑩ -15 M25-MD4i8es Dies / 1/4SM24 M50-MD10ie0s Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES16MDNEBC ⑩ -15Dies / 1/4SM40 For tUhrneifDaiediedss Solid dies HSS 12⑮⑯⑱⑲ D Ⅱ 20 7 2.5P TYES16HDNEBC ⑩ -15 For WhtihtwreDoaridtehss For oSncDrseewwietinhgrse(maadcsShuisnMeeds ) For Pipe thrDeaidess FpoirpeAmtherreDicaaidenss For MtinhiraeDtauidreess Sizes-122 Codes shown in ( ) are available while supplies last.