
Roll Tap Series Overall length L Thread length ℓ Thread + Neck length ℓn Shank length ℓs Shank dia. Ds Size of square K Length of square ℓk ⑥ JIS R+V Spiral Fluted Taps (for blind hole) ① JIS Roll Taps, Coated Spiral Fluted Taps (for through hole) ② Specification Coating 〜 ■R+V is coated forming tap for ferrous and non- ferrous materials. Optimum coating suitable to the tapping condition. Spiral Pointed Taps (for through hole) ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels Stainless steels Copper Wrought aluminum Aluminum alloy castings Zinc alloy castings 低炭素鋼 中炭素鋼 ステンレス鋼 銅 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 10 20 10 20 10 20 10 20 〜 〜 〜 〜 〜 〜 〜 Hand Taps ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ( m / min ) ④ TYPE:1 TYPE:2 Cemented Carbide Taps ⑤ TYPE:3 TYPE:4 Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Recommended class Segment:1J Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE MSRP Pipe Taps (mm) (mm) (mm) (mm) (mm) (mm) (mm) ⑧ For Metric Threads M1 × 0.25 G4 RVP41.0BP 4P 36 4.5 - 24 3 2.5 5 4 1 ¥4,390 M1 × 0.25 G4 RVP41.0BB 2P 36 4.5 - 24 3 2.5 5 4 1 ¥4,390 M1 × 0.25 G5 RVP51.0BP 4P 36 4.5 - 24 3 2.5 5 4 1 ¥4,390 ※ Thread Mills Premium Thread Mills M1 × 0.25 G5 RVP51.0BB 2P 36 4.5 - 24 3 2.5 5 4 1 ¥4,390 ※ ⑨ M1.2 × 0.25 G4 RVP41.2BP 4P 36 4.5 - 24 3 2.5 5 4 1 ¥4,390 M1.2 × 0.25 G4 RVP41.2BB 2P 36 4.5 - 24 3 2.5 5 4 1 ¥4,390 M1.2 × 0.25 G5 RVP51.2BP 4P 36 4.5 - 24 3 2.5 5 4 1 ¥4,390 ※ M1.2 × 0.25 G5 RVP51.2BB 2P 36 4.5 - 24 3 2.5 5 4 1 ¥4,390 ※ Dies M1.4 × 0.3 G4 RVP41.4CP 4P 36 5.4 - 24 3 2.5 5 4 1 ¥3,950 ⑩ M1.4 × 0.3 G4 RVP41.4CB 2P 36 5.4 - 24 3 2.5 5 4 1 ¥3,950 M1.4 × 0.3 G5 RVP51.4CP 4P 36 5.4 - 24 3 2.5 5 4 1 ¥3,950 M1.4 × 0.3 G5 RVP51.4CB 2P 36 5.4 - 24 3 2.5 5 4 1 ¥3,950 M1.6 × 0.35 G4 RVP41.6DP 4P 36 6.3 - 24 3 2.5 5 4 2 ¥3,780 Center Drills Centering Tools ⑪ M1.6 × 0.35 G4 RVP41.6DB 2P 36 6.3 - 24 3 2.5 5 4 2 ¥3,780 M1.6 × 0.35 G5 RVP51.6DP 4P 36 6.3 - 24 3 2.5 5 4 2 ¥3,780 M1.6 × 0.35 G5 RVP51.6DB 2P 36 6.3 - 24 3 2.5 5 4 2 ¥3,780 M1.6 × 0.35 G6 RVP61.6DB 2P 36 6.3 - 24 3 2.5 5 4 2 ¥3,780 ※ JIS ※ = Specified Distribution Items. Made to order products. ⑥-38