Overall Thread Thread+Neck Shank Shank Size of Length of length length length length dia. square square L ℓ ℓn ℓs Ds K ℓk FC-HT (for blind hole) Spiral Fluted Taps Hand Taps for Cast Irons Specification (for through hole) Spiral Fluted Taps ■Suitable for hard and abrasive materials such as cast irons. E 2D Considering comparatively quick wear, FC-HT is properly Nitride oversized. Recommended Tapping Speeds depending on Materials (for through hole) Spiral Pointed Taps Cast irons 5〜10 TYPE:1 (m/min) For icon explanation, refer to P.50 Hand Taps TYPE:2 TYPE:3 Carbide Taps Cemented Roll Taps Segment:1A Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk No. of Type Stock Simple Inspection Tools Special Thread Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads TY3.0GRAEN5 5P M3 × 0.5 P3 46 9 14 26 4 3.2 6 3 1 ○ TY3.0GRAENA 1.5P TY3.5HRAEN5 5P Pipe Taps M3.5 × 0.6 P3 52 11 16 29 5 4 7 3 1 △ TY3.5HRAENA 1.5P TY4.0IRAEN5 5P M4 × 0.7 P3 52 11 17 29 5 4 7 3 1 ○ TY4.0IRAENA 1.5P TY5.0KRAEN5 5P M5 × 0.8 P3 60 13 22 33 5.5 4.5 7 3 1 ○ Thread Mills TY5.0KRAENA 1.5P TY6.0MRAEN5 5P M6 × 1 P3 62 15 26 33 6 4.5 7 3 1 ◎ TY6.0MRAENA 1.5P TY8.0NRAEN5 5P M8 × 1.25 P3 70 19 - 36 6.2 5 8 3 2 ◎ Dies TY8.0NRAENA 1.5P TY8.0MRAEN5 5P M8 × 1 P3 70 19 - 36 6.2 5 8 3 2 △ TY8.0MRAENA 1.5P TY010OSAEN5 5P M10 × 1.5 P4 75 23 - 38 7 5.5 8 4 2 ◎ TY010OSAENA 1.5P Center Drills TY010NRAEN5 5P M10 × 1.25 P3 75 23 - 38 7 5.5 8 4 2 ◎ TY010NRAENA 1.5P TY010MRAEN5 5P M10 × 1 P3 75 23 - 38 7 5.5 8 4 2 ○ TY010MRAENA 1.5P TY012PSAEN5 5P Centering Tools M12 × 1.75 P4 82 26 - 42 8.5 6.5 9 4 2 ◎ TY012PSAENA 1.5P ※ Available while stock lasts. JIS ◎=Standard ○=Semi standard △=Made to order HT-36 For improvement, spec may change without advance notice. 461