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 Plus Series Spiral Fluted Taps Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (for blind hole) Spiral Fluted Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes P3 SNPR4.0I M4 × 0.7 2.5P 52 11 17 29 5 4 7 3 1 ○ P4 SNPS4.0I P2 SNPQ5.0K ◎ M5 × 0.8 P3 SNPR5.0K 2.5P 60 13 22 33 5.5 4.5 7 3 1 (for through hole) Spiral Fluted Taps P4 SNPS5.0K ○ P2 SNPQ6.0M ◎ M6 × 1 P3 SNPR6.0M 2.5P 62 15 26 33 6 4.5 7 3 1 P4 SNPS6.0M ○ P2 SNPQ8.0N ◎ (for through hole) Spiral Pointed Taps M8 × 1.25 P3 SNPR8.0N 2.5P 70 19 - 36 6.2 5 8 3 2 P4 SNPS8.0N ○ P2 SNPQ010O ◎ M10 × 1.5 P3 SNPR010O 2.5P 75 23 - 38 7 5.5 8 3 2 Hand Taps P4 SNPS010O ○ P2 SNPQ010N ◎ M10 × 1.25 P3 SNPR010N 2.5P 75 23 - 38 7 5.5 8 3 2 P4 SNPS010N ○ Carbide Taps Cemented P2 SNPQ012P ◎ M12 × 1.75 P3 SNPR012P 2.5P 82 26 - 42 8.5 6.5 9 3 2 P4 SNPS012P ○ P2 SNPQ012N ◎ Roll Taps M12 × 1.25 P3 SNPR012N 2.5P 82 26 - 42 8.5 6.5 9 3 2 P4 SNPS012N ○ Simple Inspection Tools Special Thread Taps Pipe Taps Thread Mills Dies Center Drills Centering Tools JIS ◎=Standard ○=Semi standard △=Made to order SP-14 For improvement, spec may change without advance notice. 331