Overall Chamfer+ Thread Thread+Neck Shank Shank Size of Length of length full thread length length length dia. square square L ℓt ℓ ℓn ℓs Ds K ℓk SP V (for blind hole) Spiral Fluted Taps Spiral Fluted Taps, Coated Specification (for through hole) Spiral Fluted Taps ■Adopting the optimum coating for the tapping condition. E Coating Recommended Tapping Speeds depending on Materials (for through hole) Spiral Pointed Taps ow carbon steels Medium carbon steels High carbon steels Alloy steels 10〜20 10〜20 10〜20 10〜20 For icon explanation, refer to P.50 Hand Taps TYPE:1 TYPE:2 Carbide Taps Cemented Segment:1C Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock Roll Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads M14 × 2 P2 VSPQ014Q 2.5P 88 26 - 45 10.5 8 11 3 1 ○ M16 × 2 P2 VSPQ016Q 2.5P 95 26 - 48 12.5 10 13 3 1 ○ M20 × 2.5 P3 VSPR020R 2.5P 105 33 - 50 15 12 15 4 2 ○ Simple Inspection Tools Special Thread Taps Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order SP-22 For improvement, spec may change without advance notice. 339