JISJIS 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 Shank Maximum Overall Drill Bodydia.dia.dia.lengthlengthlengthDcDsD1Lℓℓ2⑪ JIS JO-C-CDS ① Joint- Low Helix Carbide Center Drills-Type A 60° Specification ② ■The JO-C-CDS is a carbide type A center hole drill joint tool suitable for hard materials and mass production processing. TYPE:1 ③ 120° ④ Segment:5C SizeDc ×θ Code Dc (mm) Ds(mm) L(mm) ℓ(mm) ℓ2(mm) H(mm) Adaptable holderShank dia.TYPE MSRP 4 × 60° JCCY4.05 × 60°JCCY5.04 10 37.5 4.5 27.5 8 14 1 ¥16,10051243.55.532.510161¥19,400 ⑤ 6 × 60° JCCY6.0 6 16 48.5 6.5 34.5 13 20 1 ¥47,000 ⑥ JO-CDS(II) ⑦ Joint- Low Helix Center Drills-Type B 60°, (Old JIS Type 2 ) ⑧ Specification ■The JO-CDS(II) is a old JIS type 2 center hole drill joint tool suitable for relatively hard materials. TYPE:1 ⑨ 120° 120° ⑩ Segment:5C SizeDc ×θ Code Dc (mm) Ds(mm) D1(mm) L(mm) ℓ(mm) ℓ2(mm) H(mm) Adaptable holderShank dia.TYPE MSRP 2 × 60° JC22.0 2 10 5 37.5 3 27.5 8 14 1 ¥3,250 ⑪ 2.5 × 60° JC22.5 2.5 12 6.5 43.5 3.5 32.5 10 16 1 ¥3,280 3 × 60° JC23.0 3 16 8 48.5 4 34.5 13 20 1 ¥4,040 JIS ※ = Specified Distribution Items. Made to order products. ⑪-62