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.squaresquareLℓℓnℓsDsKℓk⑥ N-RS Roll Taps for Non-Ferrous Materials ANSI Size Class Code Chamfer L (inch) ℓ(inch) ℓn(inch) ℓs(inch) Ds(inch) K(inch) ℓk(inch) Lobe TYPE7/16-20UNFH7388499M2P3.9370.906-2.0080.3230.2420.40664 ① 1/2-13UNC H5 388506M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 6 4 1/2-13UNC H5 388504M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 6 4 1/2-13UNC H7 388507M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 6 4 1/2-13UNC H7 388505M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 6 4 ② 1/2-20UNF H5 388510M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 6 4 1/2-20UNF H5 388508M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 6 4 1/2-20UNF H7 388511M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 6 4 1/2-20UNF H7 388509M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 6 4 Number of oil grooves : Metric thread : =1 ③ Unified thread : No.4 and smaller=non, No.5 and larger=1 For M6, 1/4 and smaller, external centers of 2P chamfer taps are removed. ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ANSI ※ This product is different from JIS products in shape and dimensions, please be careful when using. ⑥-34