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 Overall Thread Thread + Neck Shank Shank Size of Length oflengthlengthlengthlengthdia.squaresquareLℓℓnℓsDsKℓk⑦ JIS Size Code Chamfer L (mm) ℓ(mm) ℓn(mm) ℓs(mm) Ds(mm) K(mm) ℓk(mm) No. offlutes TYPE MSRPBC 31/32-30TYBC09RHEBA1.5P12520-5819151843¥29,100 □ ① BC 1-24 TYBC10RHEB5 5P 125 20 - 58 19 15 18 4 3 ¥29,100 □ BC 1-24 TYBC10RHEBA 1.5P 125 20 - 58 19 15 18 4 3 ¥29,100 □ BC 1.29-24 TYBC11RHEB5 5P 145 21 - 67 25 19 22 4 3 ¥42,000 □ BC 1.29-24 TYBC11RHEBA 1.5P 145 21 - 67 25 19 22 4 3 ¥42,000 □ ② BC 1.37-24 TYBC12RHEB5 5P 155 26 - 71 28 21 24 4 3 ¥48,800 □ BC 1.37-24 TYBC12RHEBA 1.5P 155 26 - 71 28 21 24 4 3 ¥48,800 □ BC 1 7/16-24 TYBC13RHEB5 5P 165 26 - 76 30 23 26 4 3 ¥56,000 □ BC 1 7/16-24 TYBC13RHEBA 1.5P 165 26 - 76 30 23 26 4 3 ¥56,000 □ BC 1.45-24 TYBC14RHEB5 5P 165 26 - 76 30 23 26 4 3 ¥56,000 □ ③ BC 1.45-24 TYBC14RHEBA 1.5P 165 26 - 76 30 23 26 4 3 ¥56,000 □ BC 1 9/16-24 TYBC15RHEB5 5P 175 27 - 81 32 26 30 4 3 ¥68,100 □ BC 1 9/16-24 TYBC15RHEBA 1.5P 175 27 - 81 32 26 30 4 3 ¥68,100 □ ④ ■ For Bicycle Threads unit: mm ■ Bored hole size unit: mm Major Diameter Pitch Diameter Minor DiameterSize Size Minor Diameter of Internal Thread(D1) Bored Hole SizeMax.Min.(Reference) Basic Size Basic Size Basic Size BC 5/16 - 26 7.16 7.06 7.14 BC 5/16 - 26 7.94 7.42 6.90 BC 3/8 - 26 8.75 8.65 8.73 ⑤ BC 3/8 - 26 9.53 9.01 8.49 BC 7/16 - 26 10.33 10.23 10.31 BC 7/16 - 26 11.11 10.59 10.07 BC 1/2 - 20 11.66 11.55 11.63 BC 1/2 - 20 12.70 12.02 11.34 BC 9/16 - 20 13.25 13.14 13.22 BC 9/16 - 20 14.29 13.61 12.93 BC 5/8 - 20 14.84 14.73 14.81BC11/16 - 2416.5916.4816.56 ⑥ BC 5/8 - 20 15.88 15.20 14.52 BC 3/4 - 30 18.40 18.29 18.37 BC 11/16 - 24 17.46 16.90 16.34 BC 31/32 - 30 23.96 23.85 23.93 BC 3/4 - 30 19.05 18.60 18.15 BC 1 - 24 24.58 24.46 24.55 BC 31/32 - 30 24.61 24.16 23.71 BC 1.29 - 24 31.96 31.83 31.93 BC 1 - 24 25.40 24.84 24.28 BC 1.37 - 24 33.99 33.86 33.96 ⑦ BC 1.29 - 24 32.77 32.21 31.65 BC 1 7/16 - 24 35.70 35.57 35.67 BC 1.45 - 24 36.02 35.89 35.99 BC 1.37 - 24 34.80 34.24 33.68 BC 1 9/16 - 24 38.88 38.75 38.85 BC 1 7/16 - 24 36.51 35.95 35.39 BC 1.45 - 24 36.83 36.27 35.71 ⑧ BC 1 9/16 - 24 39.69 39.13 38.57 ⑨ ⑩ ⑪ JIS ※ = Specified Distribution Items. Made to order products. □=In stock at manufacturer. ⑦-40