③ Spiral Pointed Tap Series for through hole Overall length L Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk DIN PM-PO Spiral Pointed Taps for Hard-to-Machine Materials L ℓ ℓn ℓs Ds K ℓk No. of TYPE Size Class Code Chamfer Spiral Fluted Taps (for blind hole) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes ① M22 × 2.5 ISO2X PG022RBDPB 5.5P 140 33 - 71 18 14.5 17 3 3 M22 × 1.5 ISO2X PM022OBDPB 5.5P 125 24 - 64 18 14.5 17 3 3 M24 × 3 ISO2X PG024SBDPB 5.5P 160 37 - 82 18 14.5 17 3 3 M24 × 1.5 ISO2X PM024OBDPB 5.5P 140 27 - 71 18 14.5 17 3 3 Spiral Fluted Taps (for through hole) M27 × 3 ISO2X PG027SBDPB 5.5P 160 37 - 82 20 16 19 4 3 ② M27 × 1.5 ISO2X PM027OBDPB 5.5P 140 27 - 71 20 16 19 4 3 M30 × 3.5 ISO2X PG030TBDPB 5.5P 180 44 - 92 22 18 21 4 3 M30 × 1.5 ISO2X PM030OBDPB 5.5P 150 27 - 77 22 18 21 4 3 Spiral Pointed Taps (for through hole) ③ Hand Taps ④ Cemented Carbide Taps ⑤ Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ DIN ③-95 ※ This product is different from JIS products in shape and dimensions, please be careful when using.