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 Pin Bored hole dia. Bored hole dia. Bored hole dia. d1 d2 d3 Shanklengthlength(Thread engagement 90%)(Thread engagement 75%)(Thread engagement 60%)lengthlengthlengthdia.Lℓd1d2d3ℓ1ℓ2ℓ3Ds JIS ① CPR-Y Check-Pins for Bored Holes in Thread Form Tapping for R-Y Taps. ② Specification ■Check pin for R-Y is the pin to check the bored hole dia. for R-Y forming taps. ③ ④ TYPE:1 TYPE:2 ⑤ Segment:1J ⑥ Size Code L ℓ d1 d2 d3 ℓ1(mm)(mm)Thread engagement ratio 90% Thread engagement ratio 75% Thread engagement ratio 60%(mm)ℓ2(mm)ℓ3(mm)Ds(mm)TYPEMSRP For Metric Threads M2 CPRY2.0E 42 9 1.83 1.86 1.89 1.5 4.5 7.5 3 1 ¥1,120 □ M2.5 CPRY2.5F 44 10 2.31 2.34 2.37 2 5 8 3 1 ¥800 □ ⑦ M2.6 CPRY2.6F 44 10 2.41M3CPRY3.0G46132.782.442.83 2.47 2 5 8 3 1 ¥750 □2.8726.51141¥710 □ M4 CPRY4.0I 52 16 3.69 3.75 3.81 2 8 14 5 1 ¥670 □ M5 CPRY5.0K 60 16 4.65 4.71 4.77 2 8 14 5.5 1 ¥700 □ M6 CPRY6.0M 62 19 5.55 5.63 5.70 2 9.5 17 6 1 ¥740 □ ⑧ M8 CPRY8.0N 70 25 7.42 7.53 7.63 2 12.5 23 6.2 2 ¥1,100 □ ※Please use CPR-Y for controlling bored holes for R-Y taps. ⑨ ⑩ ⑪ JIS ⑦-75 ※ = Specified Distribution Items. Made to order products. □=In stock at manufacturer.