Center Drills/Centering Tools Spiral Fluted Taps (for blind hole) CESA High Helix Center Drills-JIS Type A 60° Spiral Fluted Taps (for through hole) Specification For icon explanation, refer to P.50 Spiral Pointed Taps (for through hole) TYPE:1 Hand Taps Cemented Carbide Taps Segment:51 Size Code Ds L ℓ Type Stock Dc ×θ× Ds (mm) (mm) (mm) 0.5 × 60゜× 3.15 CEA0.5 3.15 31.5 0.8 1 ◎ 0.63 × 60゜× 3.15 CEA0.63 3.15 31.5 1 1 ◎ Roll Taps 0.8 × 60゜× 3.15 CEA0.8 3.15 31.5 1.2 1 ◎ 1 × 60゜× 3.15 CEA1.0 3.15 31.5 1.5 1 ◎ 1.25 × 60゜× 3.15 CEA1.25 3.15 31.5 1.9 1 ◎ 1.6 × 60゜× 4 CEA1.6 4 35.5 2.4 1 ◎ Special Thread Taps Simple Inspection Tools 2 × 60゜× 5 CEA2.0 5 40 3 1 ◎ 2.5 × 60゜× 6.3 CEA2.5 6.3 45 3.8 1 ◎ 3.15 × 60゜× 8 CEA3.15 8 50 4.8 1 ◎ 4 × 60゜× 10 CEA4.0 10 56 6 1 ◎ 5 × 60゜× 12.5 CEA5.0 12.5 63 7.5 1 ◎ Pipe Taps 6.3 × 60゜× 16 CEA6.3 16 71 9.2 1 ◎ 8 × 60゜× 20 CEA8.0 20 80 11.5 1 ◎ 10 × 60゜× 25 CEA010 25 100 14.2 1 ◎ Thread Mills Dies Center Drills Centering Tools JIS CE-1 ◎=Standard ○=Semi standard △=Made to order 640 For improvement, spec may change without advance notice.