JIS 120°±3° 120°±3° 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 Center Drills / Centering Tools Drill Shankdia.dia. − Maximum Overall Drill Larger cutdia.lengthlengthlengthDcDsD2D1Lℓℓ2⑪ JIS CESC ① High Helix Center Drills-JIS Type C 60° Specification ② ■High helix center drills - JIS Type C suitable for soft or relatively tough materials. ③ ④ TYPE:1 TYPE:2 ⑤ Segment:51 SizeDc ×θ× Ds Code Dc (mm) Ds(mm) D2(mm) D1(mm) L(mm) ℓ(mm) ℓ2(mm) TYPE MSRP ⑥ 0.5 × 60゜× 3.15 CEC0.5 0.5 3.15 1.6 1.06 31.5 0.8 0.6 1 ¥4,250 0.63 × 60゜× 3.15 CEC0.63 0.63 3.15 2 1.32 31.5 1 0.8 1 ¥3,820 0.8 × 60゜× 3.15 CEC0.8 0.8 3.15 2.5 1.7 31.5 1.2 1 1 ¥3,270 1 × 60゜× 3.15 CEC1.01.25 × 60゜× 4CEC1.251 3.15 3.15 2.12 31.5 1.5 1.2 2 ¥3,2701.25442.6535.51.91.52¥3,070 ⑦ 1.6 × 60゜× 5 CEC1.6 1.6 5 5 3.35 40 2.4 1.8 2 ¥2,600 2 × 60゜× 6.3 CEC2.0 2 6.3 6.3 4.25 45 3 2.2 2 ¥2,700 2.5 × 60゜× 8 CEC2.5 2.5 8 8 5.3 50 3.8 3 2 ¥3,070 3.15 × 60゜× 10 CEC3.15 3.15 10 10 6.7 56 4.8 3.5 2 ¥4,460 ⑧ 4 × 60゜× 12.5 CEC4.0 4 12.5 12.5 8.5 63 6 4.2 2 ¥5,640 5 × 60゜× 16 CEC5.0 5 16 16 10.6 71 7.5 5.5 2 ¥9,950 6.3 × 60゜× 18 CEC6.3 6.3 18 18 13.2 75 9.2 5.5 2 ¥18,500 8 × 60゜× 22.4 CEC8.0 8 22.4 22.4 17 90 11.5 5.5 2 ¥27,600 10 × 60゜× 28 CEC010 10 28 28 21.2 112 14.2 7 2 ¥63,700 ⑨ ⑩ ⑪ JIS ※ = Specified Distribution Items. Made to order products. ⑪-30