JIS 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 Overall Drilldia.dia.lengthlengthDcDsLℓ⑪ JIS CD-Q LH ① Low Helix Center Drills - Type A 90°, Left Hand Cut Specification ② ■Low helix left hand center drills - Type A center drill for machining 90°center hole. Suitable for relatively hard materials. ③ ④ TYPE:1 ⑤ Segment:51 SizeDc ×θ× Ds Code Dc (mm) Ds (mm) L (mm) ℓ (mm) TYPE MSRP ⑥ 1 × 90゜× 4 CY1.0Q-L 1 4 35 1 1 ¥2,450 ※ 1.2 × 90゜× 5 CY1.2Q-L 1.2 5 40 1.2 1 ¥2,240 ※ 1.5 × 90゜× 5 CY1.5Q-L 1.5 5 40 1.5 1 ¥1,930 ※ 2 × 90゜× 6 CY2.0Q-L2.5 × 90゜× 7.7CY2.5Q-L2 6 45 22.57.7502.5 1 ¥2,150 ※1¥2,600 ※ ⑦ 2.5 × 90゜× 8 CY2.5Q8L 2.5 8 50 2.5 1 ¥2,810 ※ 3 × 90゜× 7.7 CY3.0Q-L 3 7.7 55 3 1 ¥2,600 ※ 3 × 90゜× 8 CY3.0Q8L 3 8 55 3 1 ¥2,810 ※ 4 × 90゜× 10 CY4.0Q-L 4 10 65 4.5 1 ¥5,220 ※ ⑧ 5 × 90゜× 12 CY5.0Q12L 5 12 78 5.5 1 ¥6,990 ※ 6 × 90゜× 18 CY6.0Q-L 6 18 90 6.5 1 ¥19,200 ※ ⑨ ⑩ ⑪ JIS ※ = Specified Distribution Items. Made to order products. ⑪-20