
Steel <35 HRC Steel >36–48 HRC PH and Ferritic Stainless Steel <35 HRC PH and Ferritic Stainless Steel >35 HRC Stainless Steel Grey Cast Iron Ductile Cast Iron Wrought Aluminium Cast Aluminium Copper, Copper Alloys Iron Based Cobalt Based Nickel Based Titanium Alloys Hardened Steels 49–55 HRC Hardened Steels 56–68 HRC High-Performance Taps Selection Guide P M K N S H 1, 2, 3, 4, 5, 9, 10,6, 711 12, 13.1 13.2 14.1, 14.2,14.3, 14.4 15, 16 17, 18,19, 20 21 22, 23,24, 25 26, 27, 28 31, 32 33, 34, 35 36 37 38.1, 38.2,40.1,40.2,41.1 39.1,41.2 recommended cutting page(s) parameters Spiral-Flute Taps (continued)       Y33 Y85   Y34 Y85           Y35 Y86           Y38 Y86           Y41 Y86           Y42 Y86 Straight-Flute Taps (continued)  Y46 Y84   Y47 Y84   Y48 Y84  Y49 Y84  Y50 Y84   Y51 Y84     Y52 Y85     Y53 Y85     Y54 Y85     Y55 Y85  Y56 Y85 Form Taps (continued)   Y60 Y84   Y61 Y84    Y62 Y85    Y63 Y85 widia.com X5