⑥ 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 JIS OL-RZ Roll Taps for Dry Tapping, Coated Recommended class Spiral Fluted Taps (for blind hole) Segment:1J ① Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE MSRP (mm) (mm) (mm) (mm) (mm) (mm) (mm) For Unified Threads No.2-56UNC G4 OLRZM4UN2EP 4P 42 8.1 - 27 3 2.5 5 4 3 ¥4,010 ※ Spiral Fluted Taps (for through hole) No.2-56UNC G5 OLRZM5UN2EP 4P 42 8.1 - 27 3 2.5 5 4 3 ¥4,010 ※ ② No.2-64UNF G4 OLRZM4UN2DP 4P 42 8.1 - 27 3 2.5 5 4 3 ¥4,010 ※ No.3-48UNC G4 OLRZM4UN3FP 4P 46 8.1 14 29 3 2.5 5 4 4 ¥3,770 ※ No.3-56UNF G4 OLRZM4UN3EP 4P 46 8.1 14 29 3 2.5 5 4 4 ¥3,770 ※ No.4-40UNC G5 OLRZM5UN4HP 4P 46 9 14 25 4 3.2 6 4 4 ¥3,680 Spiral Pointed Taps (for through hole) No.4-40UNC G6 OLRZM6UN4HP 4P 46 9 14 25 4 3.2 6 4 4 ¥3,680 ③ No.4-48UNF G5 OLRZM5UN4FP 4P 46 9 14 25 4 3.2 6 4 4 ¥3,680 ※ No.5-40UNC G5 OLRZM5UN5HP 4P 52 11 16 28 5 4 7 4 4 ¥3,360 ※ No.5-44UNF G5 OLRZM5UN5GP 4P 52 11 16 28 5 4 7 4 4 ¥3,360 ※ No.6-32UNC G5 OLRZM5UN6JP 4P 52 11 17 27 5 4 7 4 4 ¥3,360 ※ Hand Taps ④ No.6-32UNC G6 OLRZM6UN6JP 4P 52 11 17 27 5 4 7 4 4 ¥3,360 No.6-40UNF G5 OLRZM5UN6HP 4P 52 11 17 27 5 4 7 4 4 ¥3,360 ※ No.8-32UNC G6 OLRZM6UN8JP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥3,570 ※ No.8-32UNC G7 OLRZM7UN8JP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥3,570 ※ No.8-36UNF G6 OLRZM6UN8IP 4P 60 13 22 31 5.5 4.5 7 4 4 ¥3,570 ※ Cemented Carbide Taps ⑤ No.10-24UNC G6 OLRZM6UNAMP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥3,570 ※ No.10-24UNC G7 OLRZM7UNAMP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥3,570 ※ No.10-32UNF G6 OLRZM6UNAJP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥3,570 ※ No.10-32UNF G7 OLRZM7UNAJP 4P 60 13 22 32 5.5 4.5 7 4 4 ¥3,570 ※ Roll Taps No.12-24UNC G6 OLRZM6UNCMP 4P 62 15 26 32 6 4.5 7 4 4 ¥3,820 ※ ⑥ No.12-28UNF G6 OLRZM6UNCKP 4P 62 15 26 32 6 4.5 7 4 4 ¥3,820 ※ 1/4-20UNC G7 OLRZM7U04NP 4P 62 15 26 33 6 4.5 7 4 4 ¥3,820 ※ 1/4-28UNF G7 OLRZM7U04KP 4P 62 15 26 33 6 4.5 7 4 4 ¥3,820 ※ Number of oil grooves : non Special Thread Taps Simple Inspection Tools ⑦ Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ JIS ⑥-43 ※ = Specified Distribution Items. Made to order products.