Spiral Fluted Tap Series 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 Spiral Fluted Taps (for blind hole) SP(LH) Spiral Fluted Taps for Left Hand Threads Spiral Fluted Taps (for through hole) Specification E Left hand Spiral Pointed Taps (for through hole) Recommended Tapping Speeds depending on Materials Carbon steel and low alloy steel IS P 5〜10 (m/min) Hand Taps For icon explanation, refer to P.50 TYPE:1 DIN371 TYPE:2 DIN371 Cemented Carbide Taps Roll Taps TYPE:3 DIN374 TYPE:4 DIN376 Special Thread Taps Simple Inspection Tools Segment:1D Pipe Taps Size Class Code Chamfer L ℓt ℓ ℓn ℓs Ds K ℓk No. of Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads M4 × 0.7 ISO2 HD4.0IANEB 2.5P 63 7 13 21 38 4.5 3.4 6 3 1 ● M5 × 0.8 ISO2 HD5.0KANEB 2.5P 70 9 14 25 39 6 4.9 8 3 1 ● Thread Mills M6 × 1 ISO2 HD6.0MANEB 2.5P 80 11 15 30 45 6 4.9 8 3 1 ● M8 × 1.25 ISO2 HD8.0NANEB 2.5P 90 - 12 35 47 8 6.2 9 3 2 ● M8 × 1 ISO2 HM8.0MANEB 2.5P 90 - 12 - 46 6 4.9 8 3 3 M10 × 1.5 ISO2 HD010OANEB 2.5P 100 - 13 39 52 10 8 11 3 2 ● M12 × 1.75 ISO2 HG012PANEB 2.5P 110 - 15 - 56 9 7 10 3 4 ● Dies M14 × 2 ISO2 HG014QANEB 2.5P 110 - 18 - 56 11 9 12 3 4 ● M14 × 1.5 ISO2 HM014OANEB 2.5P 100 - 14 - 51 11 9 12 3 3 M16 × 2 ISO2 HG016QANEB 2.5P 110 - 18 - 56 12 9 12 3 4 ● M16 × 1.5 ISO2 HM016OANEB 2.5P 100 - 14 - 51 12 9 12 3 3 Center Drills M18 × 2.5 ISO2 HG018RANEB 2.5P 125 - 20 - 64 14 11 14 4 4 M20 × 2.5 ISO2 HG020RANEB 2.5P 140 - 20 - 71 16 12 15 4 4 ● Centering Tools DIN SP-13 64