Общий каталог Yamawa 2022 - 2023 - страница 598

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 ANSI N-RZ Roll Taps for Steels Size Class Code Chamfer L ℓ ℓn ℓs Ds K ℓk Lobe TYPE Spiral Fluted Taps (for blind hole) (inch) (inch) (inch) (inch) (inch) (inch) (inch) ① 1/2-13UNC H5 389506M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 1/2-13UNC H5 389504M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 1/2-13UNC H7 389507M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 1/2-13UNC H7 389505M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 Spiral Fluted Taps (for through hole) 1/2-20UNF H5 389510M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 ② 1/2-20UNF H5 389508M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 1/2-20UNF H7 389511M 4P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 1/2-20UNF H7 389509M 2P 4.331 1.024 - 2.205 0.367 0.275 0.437 8 4 Number of oil grooves : Metric thread : M3 〜 M7 = 4, M8 = 3, M10 and larger = 4 Spiral Pointed Taps (for through hole) Unified thread : No.4 and smaller = non, No.5 〜 1/4 = 4, 5/16 〜 3/8 = 3, 7/16 and larger = 4 ③ For M6, 1/4 and smaller with 2P chamfer, the external center is cut off. Hand Taps ④ Cemented Carbide Taps ⑤ Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Pipe Taps ⑧ Thread Mills Premium Thread Mills ⑨ Dies ⑩ Center Drills Centering Tools ⑪ ANSI ⑥-21 ※ This product is different from JIS products in shape and dimensions, please be careful when using.