
① Spiral Fluted Tap Series for blind hole Overall length L Chamfer+ full thread ℓt Thread length ℓ Thread + Neck ℓn length Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk DIN PM-SP Spiral Fluted Taps for Hard-to-Machine Materials L ℓt 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) (mm) flutes ① M18 × 1.5 ISO2X SM018OBDPB 2.75P 110 - 24 - 56 14 11 14 4 3 M20 × 2.5 ISO2X SG020RBDPB 2.75P 140 - 33 - 71 16 12 15 4 3 M20 × 1.5 ISO2X SM020OBDPB 2.75P 125 - 24 - 64 16 12 15 4 3 M22 × 2.5 ISO2X SG022RBDPB 2.75P 140 - 33 - 71 18 14.5 17 4 3 Spiral Fluted Taps (for through hole) M22 × 1.5 ISO2X SM022OBDPB 2.75P 125 - 24 - 64 18 14.5 17 4 3 ② M24 × 3 ISO2X SG024SBDPB 2.75P 160 - 37 - 82 18 14.5 17 4 3 M24 × 2 ISO2X SM024QBDPB 2.75P 140 - 27 - 71 18 14.5 17 4 3 M24 × 1.5 ISO2X SM024OBDPB 2.75P 140 - 27 - 71 18 14.5 17 4 3 M27 × 3 ISO2X SG027SBDPB 2.75P 160 - 37 - 82 20 16 19 4 3 Spiral Pointed Taps (for through hole) ③ M27 × 2 ISO2X SM027QBDPB 2.75P 140 - 27 - 71 20 16 19 4 3 M27 × 1.5 ISO2X SM027OBDPB 2.75P 140 - 27 - 71 20 16 19 4 3 M30 × 3.5 ISO2X SG030TBDPB 2.75P 180 - 44 - 92 22 18 21 4 3 M30 × 2 ISO2X SM030QBDPB 2.75P 150 - 27 - 77 22 18 21 4 3 M30 × 1.5 Hand Taps ISO2X SM030OBDPB 2.75P 150 - 27 - 77 22 18 21 4 3 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 ①-169 ※ This product is different from JIS products in shape and dimensions, please be careful when using.