Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools JIS ⑦ Special Thread Taps / Simple Inspection Tools Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk JIS ① HT BC Hand Taps for Bicycle Threads ② Specification ■Tap for bicycle threads (general use). ③ Recommended Tapping Speeds depending on Materials Low carbon steels Medium carbon steels 低炭素鋼 中炭素鋼 〜10 〜10 ④ (m/min) (m/min) TYPE:1 ⑤ ⑥ TYPE:2 TYPE:3 ⑦ Segment:1A Size Code Chamfer L(mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRP ⑧ For Bicycle Threads BC 5/16-26TYBC01RHEB55P7019-366.2 5 8 3 1 ¥2,800 □ BC 5/16-26 TYBC01RHEBA 1.5P 70 19 - 36 6.2 5 8 3 1 ¥2,800 □ BC 3/8-26 TYBC02RHEB5 5P 75 23 - 38 7 5.5 8 4 1 ¥3,200 □ BC 3/8-26 TYBC02RHEBA 1.5P 75 23 - 38 7 5.5 8 4 1 ¥3,200 □ ⑨ BC 7/16-26 TYBC03RHEB5 5P 82 26 - 42 8.5 6.5 9 4 1 ¥4,720 □ BC 7/16-26 TYBC03RHEBA 1.5P 82 26 - 42 8.5 6.5 9 4 1 ¥4,720 □ BC 1/2-20 TYBC04RHEB5 5P 88 26 - 45 10.5 8 11 4 1 ¥5,670 □ BC 1/2-20 TYBC04RHEBA 1.5P 88 26 - 45 10.5 8 11 4 1 ¥5,670 □ BC 9/16-20 TYBC05RHEB5 5P 95 26 - 48 12.5 10 13 4 1 ¥8,200 □ ⑩ BC 9/16-20 TYBC05RHEBA 1.5P 95 26 - 48 12.5 10 13 4 1 ¥8,200 □ BC 5/8-20 TYBC06RHEB5 5P 95 26 - 48 12.5 10 13 4 1 ¥8,200 □ BC 5/8-20 TYBC06RHEBA 1.5P 95 26 - 48 12.5 10 13 4 1 ¥8,200 □ BC 11/16-24 TYBC07RHEB5 5P 100 18 - 51 14 11 14 4 2 ¥9,800 □ BC 11/16-24 TYBC07RHEBA 1.5P 100 18 - 51 14 11 14 4 2 ¥9,800 □ ⑪ BC 3/4-30 TYBC08RHEB5 5P 105 18 - 50 15 12 15 4 3 ¥13,200 □ BC 3/4-30 TYBC08RHEBA 1.5P 105 18 - 50 15 12 15 4 3 ¥13,200 □ BC 31/32-30 TYBC09RHEB5 5P 125 20 - 58 19 15 18 4 3 ¥29,100 □ JIS ⑦-39 ※ = Specified Distribution Items. Made to order products. □=In stock at manufacturer.