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 LS-PM-SP Long Shank 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 M18 × 1.5 P4 SY018OSDPBG 2.75P 150 33 - 70 14 11 14 4 2 ¥18,900 ※ M20 × 2.5 P4 SY020RSDPBG 2.75P 150 33 - 70 15 12 15 4 3 ¥24,300 ※ M20 × 1.5 P4 SY020OSDPBG 2.75P 150 33 - 70 15 12 15 4 3 ¥24,300 ※ M22 × 2.5 P4 SY022RSDPBK 2.75P 200 33 - 70 17 13 16 4 3 ¥33,600 ※ Spiral Fluted Taps (for through hole) M22 × 1.5 P4 SY022OSDPBK 2.75P 200 33 - 70 17 13 16 4 3 ¥33,600 ※ ② M24 × 3 P4 SY024SSDPBK 2.75P 200 39 - 80 19 15 18 4 3 ¥37,800 ※ M24 × 1.5 P4 SY024OSDPBK 2.75P 200 39 - 80 19 15 18 4 3 ¥37,800 ※ M27 × 3 P4 SY027SSDPBK 2.75P 200 39 - 80 20 15 18 4 3 ¥42,700 ※ M27 × 1.5 P4 SY027OSDPBK 2.75P 200 39 - 80 20 15 18 4 3 ¥42,700 ※ Spiral Pointed Taps (for through hole) M30 × 3.5 ③ P4 SY030TSDPBK 2.75P 200 46 - 80 23 17 20 4 3 ¥54,900 ※ M30 × 1.5 P4 SY030OSDPBK 2.75P 200 46 - 80 23 17 20 4 3 ¥54,900 ※ 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 ①-173 ※ = Specified Distribution Items. Made to order products.