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 HC+SP/HC-SP (for blind hole) Spiral Fluted Taps Spiral Fluted Taps for High Carbon Steels Specification (for through hole) Spiral Fluted Taps ■Spiral fluted tap suitable for high carbon steels such as E S55C and the like. M26 ~ HC+SP ~ M6 Recommended Tapping Speeds depending on Materials HC-SP M8 ~ , all W (for through hole) Spiral Pointed Taps Medium carbon steels High carbon steels 5〜10 5〜10 TYPE:1 For icon explanation, refer to P.50 Hand Taps TYPE:2 TYPE:3 Carbide Taps Cemented Roll Taps TYPE:4 TYPE:5 Simple Inspection Tools Special Thread Taps Pipe Taps Segment:1C Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads Thread Mills M3 × 0.5 P1 SCPP3.0G 2.5P 46 9 14 26 4 3.2 6 3 1 ○ M4 × 0.7 P2 SCPQ4.0I 2.5P 52 11 17 29 5 4 7 3 1 ○ M5 × 0.8 P2 SCPQ5.0K 2.5P 60 13 22 33 5.5 4.5 7 3 1 ○ M6 × 1 P2 SCPQ6.0M 2.5P 62 15 26 33 6 4.5 7 3 1 ○ Dies M8 × 1.25 P2 SCMQ8.0N 2.5P 70 19 - 36 6.2 5 8 3 2 ○ M8 × 1 P2 SCMQ8.0M 2.5P 70 19 - 36 6.2 5 8 3 2 △ M10 × 1.5 P2 SCMQ010O 2.5P 75 23 - 38 7 5.5 8 3 2 ○ M10 × 1.25 P2 SCMQ010N 2.5P 75 23 - 38 7 5.5 8 3 2 △ Center Drills M10 × 1 P2 SCMQ010M 2.5P 75 23 - 38 7 5.5 8 3 2 △ M12 × 1.75 P2 SCMQ012P 2.5P 82 26 - 42 8.5 6.5 9 3 2 ○ M12 × 1.5 P2 SCMQ012O 2.5P 82 26 - 42 8.5 6.5 9 3 2 △ M12 × 1.25 P2 SCMQ012N 2.5P 82 26 - 42 8.5 6.5 9 3 2 △ M12 × 1 P2 SCMQ012M 2.5P 82 26 - 42 8.5 6.5 9 3 2 △ Centering Tools M14 × 2 P2 SCMQ014Q 2.5P 88 26 - 45 10.5 8 11 3 2 △ M14 × 1.5 P2 SCMQ014O 2.5P 88 26 - 45 10.5 8 11 3 2 △ M14 × 1.25 P2 SCMQ014N 2.5P 88 26 - 45 10.5 8 11 3 2 △ JIS ◎=Standard ○=Semi standard △=Made to order SP-46 For improvement, spec may change without advance notice. 363