
⑪ Center Drills / Centering Tools Drill dia. Dc Shank dia. Ds Overall length L Drill length ℓ JIS CEIR Spiral Fluted Taps (for blind hole) ① JIS High Helix Center Drills-JIS Type R Spiral Fluted Taps (for through hole) ② Specification ■The CEIR is a high helix JIS type R center hole drill. Spiral Pointed Taps (for through hole) ③ Hand Taps ④ TYPE:1 Cemented Carbide Taps ⑤ Segment:51 Roll Taps ⑥ Size Code Dc Ds L ℓ Rmax Rmin TYPE MSRP Dc × R × Ds (mm) (mm) (mm) (mm) (mm) (mm) 1 × R × 3.15 CE1.0RI 1 3.15 31.5 3 3.15 2.5 1 ¥1,400 1.25 × R × 3.15 CE1.25RI 1.25 3.15 31.5 3.35 4 3.15 1 ¥1,290 1.6 × R × 4 CE1.6RI 1.6 4 35.5 4.25 5 4 1 ¥1,240 Special Thread Taps Simple Inspection Tools 2×R×5 CE2.0RI 2 5 40 5.3 6.3 5 1 ¥1,030 ⑦ 2.5 × R × 6.3 CE2.5RI 2.5 6.3 45 6.7 8 6.3 1 ¥1,120 3.15 × R × 8 CE3.15RI 3.15 8 50 8.5 10 8 1 ¥1,500 4 × R × 10 CE4.0RI 4 10 56 10.6 12.5 10 1 ¥2,740 5 × R × 12.5 CE5.0RI 5 12.5 63 13.2 16 12.5 1 ¥3,670 Pipe Taps 6.3 × R × 16 ⑧ CE6.3RI 6.3 16 71 17 20 16 1 ¥7,090 8 × R × 20 CE8.0RI 8 20 80 21.2 25 20 1 ¥14,400 10 × R × 25 CE010RI 10 25 100 26.5 31.5 25 1 ¥25,200 Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ JIS ⑪-31 ※ = Specified Distribution Items. Made to order products.