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 JISJIS ⑪ Center Drills / Centering Tools Drill Shank Overall Drill Bodydia.dia.lengthlengthlengthDcDsLℓℓ2 JIS ① JO-CDS Joint- Low Helix Center Drills-Type A 60° ② Specification ■The JO-CDS is a low helix type A center hole drill joint tool suitable for comparatively hard materials. ③ TYPE:1 120° ④ Segment:5C SizeDc ×θ Code Dc (mm) Ds(mm) L(mm) ℓ(mm) ℓ2(mm) H(mm) Adaptable holderShank dia.TYPE MSRP ⑤ 4 × 60° JCY4.05 × 60°JCY5.0 4 10 37.5 4.5 27.5 8 14 1 ¥3,09051243.55.532.510161¥3,180 6 × 60° JCY6.0 6 16 48.5 6.5 34.5 13 20 1 ¥3,980 ⑥ ⑦ JO-CDS V Joint- Low Helix Center Drills-Type A 60°, Coated ⑧ Specification ■ Optimum coating suitable for the cutting. Coating ⑨ TYPE:1 120° ⑩ Segment:5C SizeDc ×θ Code Dc (mm) Ds(mm) L(mm) ℓ(mm) ℓ2(mm) H(mm) Adaptable holderShank dia.TYPE MSRP ⑪ 4 × 60° JVCY4.0 4 10 37.5 4.5 27.5 8 14 1 ¥5,450 5 × 60° JVCY5.0 5 12 43.5 5.5 32.5 10 16 1 ¥6,270 6 × 60° JVCY6.0 6 16 48.5 6.5 34.5 13 20 1 ¥8,580 JIS ⑪-61 ※ = Specified Distribution Items. Made to order products.