Drill Shank Overall Drill dia. dia. length length Dc Ds L ℓ CEQA (for blind hole) Spiral Fluted Taps High Helix Center Drills-JIS Type A 90° Specification (for through hole) Spiral Fluted Taps For icon explanation, refer to P.50 TYPE:1 (for through hole) Spiral Pointed Taps Hand Taps Segment:51 Carbide Taps Cemented Size Code Ds L ℓ Type Stock Dc ×θ× Ds (mm) (mm) (mm) 1 × 90゜× 4 CEA1.0Q 4 35.5 1.1 1 ◎ 1.25 × 90゜× 5 CEA1.25Q 5 40 1.4 1 ◎ 1.6 × 90゜× 6.3 CEA1.6Q 6.3 45 1.8 1 ◎ Roll Taps 2 × 90゜× 8 CEA2.0Q 8 50 2.2 1 ◎ 2.5 × 90゜× 10 CEA2.5Q 10 56 2.8 1 ◎ 3.15 × 90゜× 11.2 CEA3.15Q 11.2 60 3.6 1 ◎ 4 × 90゜× 12.5 CEA4.0Q 12.5 63 4.5 1 ◎ Simple Inspection Tools Special Thread Taps 5 × 90゜× 16 CEA5.0Q 16 71 5.6 1 ◎ 6.3 × 90゜× 20 CEA6.3Q 20 80 7.1 1 ◎ 8 × 90゜× 25 CEA8.0Q 25 100 9 1 ◎ 10 × 90゜× 31.5 CEA010Q 31.5 125 11.2 1 ◎ 12.5 × 90゜× 35.5 CEA12.5Q 35.5 140 14 1 ◎ Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order CE-12 For improvement, spec may change without advance notice. 651