
① Spiral Fluted Tap Series for blind hole Overall length L Thread length ℓ Thread + Neck ℓn length ℓs Shank length Shank dia. Ds Size of square K Length of square ℓk JIS PM-SP Spiral Fluted Taps for Hard-to-Machine Materials L ℓ ℓn ℓs Ds K ℓk No. of TYPE MSRP Size Class Code Chamfer Spiral Fluted Taps (for blind hole) (mm) (mm) (mm) (mm) (mm) (mm) (mm) flutes ① M20 × 2.5 P4 SY020RSDPB 2.75P 105 33 - 50 15 12 15 4 3 ¥15,000 ※ M20 × 1.5 P4 SY020OSDPB 2.75P 105 33 - 50 15 12 15 4 3 ¥15,000 ※ M22 × 2.5 P4 SY022RSDPB 2.75P 115 33 - 55 17 13 16 4 3 ¥19,200 ※ M22 × 1.5 P4 SY022OSDPB 2.75P 115 33 - 55 17 13 16 4 3 ¥19,200 ※ Spiral Fluted Taps (for through hole) M24 × 3 P4 SY024SSDPB 2.75P 120 39 - 55 19 15 18 4 3 ¥24,000 ※ ② M24 × 1.5 P4 SY024OSDPB 2.75P 120 39 - 55 19 15 18 4 3 ¥24,000 ※ M27 × 3 P4 SY027SSDPB 2.75P 130 39 - 60 20 15 18 4 3 ¥33,900 ※ M27 × 1.5 P4 SY027OSDPB 2.75P 130 39 - 60 20 15 18 4 3 ¥33,900 ※ M30 × 3.5 P4 SY030TSDPB 2.75P 135 46 - 62 23 17 20 4 3 ¥43,300 ※ Spiral Pointed Taps (for through hole) M30 × 1.5 ③ P4 SY030OSDPB 2.75P 135 46 - 62 23 17 20 4 3 ¥43,300 ※ 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 JIS ①-167 ※ = Specified Distribution Items. Made to order products.