Cemented Carbide Tap Series Overall length L Thread length ℓ Shank dia. Ds Size of square K Length of square ℓk ⑤ JIS N-CT-SP Spiral Fluted Taps (for blind hole) ① JIS Spiral Fluted Carbide Taps Spiral Fluted Taps (for through hole) ② Specification ■The N-CT-SP is a cemented carbide spiral flute tap most suitable for blind hole mass production of aluminum castings (AC), aluminum die cast Spiral Pointed Taps (for through hole) (ADC), zinc die cast (ZDC) etc. ③ Recommended Tapping Speeds depending on Materials Wrought aluminum Aluminum alloy castings Zinc alloy castings アルミ圧延材 アルミ合金鋳物 亜鉛合金鋳物 10 20 10 20 10 20 〜 〜 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ④ TYPE:1 Cemented Carbide Taps ⑤ TYPE:2 TYPE:3 Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Segment:1L L ℓ Ds K ℓk No. of MSRP Size Class Code Chamfer TYPE (mm) (mm) (mm) (mm) (mm) flutes For Metric Threads Pipe Taps ⑧ M3 × 0.5 P3 SY3.0GRKWB 2.5P 46 11 4 3.2 6 3 1 ¥13,700 ※ M4 × 0.7 P3 SY4.0IRKWB 2.5P 52 13 5 4 7 3 1 ¥14,300 ※ M5 × 0.8 P3 SY5.0KRKWB 2.5P 60 16 5.5 4.5 7 3 1 ¥15,100 ※ M6 × 1 P3 SY6.0MRKWB 2.5P 62 19 6 4.5 7 3 2 ¥16,400 ※ Thread Mills Premium Thread Mills M8 × 1.25 P3 SY8.0NRKWB 2.5P 70 22 6.2 5 8 3 3 ¥21,200 ※ ⑨ M10 × 1.5 P3 SY010ORKWB 2.5P 75 24 7 5.5 8 3 3 ¥29,600 ※ M10 × 1.25 P3 SY010NRKWB 2.5P 75 22 7 5.5 8 3 3 ¥29,600 ※ M12 × 1.75 P4 SY012PSKWB 2.5P 82 30 8.5 6.5 9 3 3 ¥39,000 ※ M12 × 1.5 P4 SY012OSKWB 2.5P 82 24 8.5 6.5 9 3 3 ¥39,000 ※ Dies M12 × 1.25 P4 SY012NSKWB 2.5P 80 22 8.5 6.5 9 3 3 ¥39,000 ※ ⑩ M14 × 2 P4 SY014QSKWB 2.5P 88 30 10.5 8 11 3 3 ¥52,300 ※ M14 × 1.5 P4 SY014OSKWB 2.5P 88 24 10.5 8 11 3 3 ¥52,300 ※ M16 × 2 P4 SY016QSKWB 2.5P 95 30 12.5 10 13 3 3 ¥68,500 ※ M16 × 1.5 P4 SY016OSKWB 2.5P 95 24 12.5 10 13 3 3 ¥68,500 ※ Center Drills Centering Tools ⑪ M18 × 2.5 P4 SY018RSKWB 2.5P 100 35 14 11 14 4 3 ¥73,700 ※ M18 × 1.5 P4 SY018OSKWB 2.5P 95 24 14 11 14 4 3 ¥73,700 ※ M20 × 2.5 P4 SY020RSKWB 2.5P 105 35 15 12 15 4 3 ¥92,400 ※ M20 × 1.5 P4 SY020OSKWB 2.5P 95 24 15 12 15 4 3 ¥92,400 ※ JIS ※ = Specified Distribution Items. Made to order products. ⑤-20