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-VA (for blind hole) Spiral Fluted Taps Spiral Fluted Taps for Stainless Steels Specification (for through hole) Spiral Fluted Taps ■Most suitable for stainless steels, sticky and tending to E work-harden, as well as chrome steels and molybdenum Oxide steels, blind hole use. ~ M2.6 M26 ~ Recommended Tapping Speeds depending on Materials (for through hole) Spiral Pointed Taps High alloy steel Ferritic and austenitic stainless steel IS P IS M M 〜10 〜10 (m/min) (m/min) For icon explanation, refer to P.50 Hand Taps TYPE:1 DIN371 TYPE:2 DIN371 Carbide Taps Cemented TYPE:3 DIN371 TYPE:4 DIN376 / DIN374 Roll Taps TYPE:5 DIN376 TYPE:6 DIN5156 Simple Inspection Tools Special Thread Taps Pipe Taps Oversize Thread Mills Segment:1D 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 Dies For Metric Threads M2 × 0.4 ISO2 SD2.0EAGEX 2.5P 45 4 8 - 32 2.8 2.1 5 2 1 ● M2.5 × 0.45 ISO2 SD2.5FAGEX 2.5P 50 4 8 15 33 2.8 2.1 5 2 2 ● ISO2 SD3.0GAGEX 2.5P 56 5 9 18 34 3.5 2.7 6 2 2 ● M3 × 0.5 ISO3 SD3.0GMGEX 2.5P 56 5 9 18 34 3.5 2.7 6 2 2 ● Center Drills ISO2 SD4.0IAGEX 2.5P 63 7 13 21 38 4.5 3.4 6 3 2 ● M4 × 0.7 ISO3 SD4.0IMGEX 2.5P 63 7 13 21 38 4.5 3.4 6 3 2 ● ISO2 SD5.0KAGEX 2.5P 70 9 14 25 39 6 4.9 8 3 2 ● M5 × 0.8 ISO3 SD5.0KMGEX 2.5P 70 9 14 25 39 6 4.9 8 3 2 ● Centering Tools ISO2 SD6.0MAGEX 2.5P 80 11 15 30 45 6 4.9 8 3 2 ● M6 × 1 ISO3 SD6.0MMGEX 2.5P 80 11 15 30 45 6 4.9 8 3 2 ● DIN SP-28 79