Общий каталог Yamawa 2022 - 2023 - страница 280

② Spiral Fluted Tap Series for through hole Overall length L Thread length ℓ Thread + Neck ℓn length Shank dia. Ds Size of square K Length of square ℓk ANSI ANSI ZELX FR LHSP Spiral Fluted Taps (for blind hole) ① Spiral Fluted Taps for High Speed Tapping, Through Hole Use（with LH Spiral Flutes） Spiral Fluted Taps (for through hole) ② Specification ■ZELX FR LHSP, spiral fluted tap, through hole Coating use (with LH spiral flutes) is applicable for such high speed tapping as 15m/min to 25m/min. Spiral Pointed Taps (for through hole) ③ Under low tapping speed, chip shape and chip Recommended Tapping Speed depending on Materials ejection may become poor and cause tapping troubles. Low carbon steels Medium carbon steels 低炭素鋼 中炭素鋼 15 25 15 25 〜 〜 Hand Taps ( m / min ) ( m / min ) ④ TYPE：1 TYPE：2 Cemented Carbide Taps ⑤ TYPE：3 TYPE：4 Roll Taps ⑥ Special Thread Taps Simple Inspection Tools ⑦ Segment：1S L ℓ ℓn Ds K ℓk No. of Size Class Code Chamfer TYPE (inch) (inch) (inch) (inch) (inch) (inch) flutes Pipe Taps For Unified Threads ⑧ No.4-40UNC GH2 Y84201 5P 1.875 0.335 0.562 0.141 0.11 0.187 3 1 No.5-40UNC GH2 Y84203 5P 1.937 0.374 0.625 0.141 0.11 0.187 3 1 No.6-32UNC GH3 Y84205 5P 2 0.413 0.687 0.141 0.11 0.187 3 1 No.8-32UNC GH3 Y84207 5P 2.125 0.453 0.75 0.168 0.131 0.25 3 1 Thread Mills Premium Thread Mills No.10-24UNC GH3 Y84209 5P 2.375 0.531 0.875 0.194 0.152 0.25 3 1 ⑨ No.10-32UNF GH3 Y84210 5P 2.375 0.531 0.875 0.194 0.152 0.25 3 1 1/4-20UNC GH3 Y84213 5.5P 2.5 0.591 1 0.255 0.191 0.312 3 2 1/4-28UNF GH3 Y84214 5.5P 2.5 0.591 1 0.255 0.191 0.312 3 2 5/16-18UNC GH3 Y84215 5.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 Dies ⑩ 5/16-24UNF GH3 Y84216 5.5P 2.718 0.669 1.125 0.318 0.238 0.375 3 3 3/8-16UNC GH3 Y84217 5.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 3/8-24UNF GH3 Y84218 5.5P 2.937 0.748 1.25 0.381 0.286 0.437 3 3 7/16-14UNC GH3 Y84219 5.5P 3.156 0.984 - 0.323 0.242 0.406 3 4 7/16-20UNF Center Drills Centering Tools GH3 Y84220 5.5P 3.156 0.866 - 0.323 0.242 0.406 3 4 ⑪ 1/2-13UNC GH3 Y84221 5.5P 3.375 1.142 - 0.367 0.275 0.437 3 4 1/2-20UNF GH3 Y84222 5.5P 3.375 0.945 - 0.367 0.275 0.437 3 4 ANSI ②-27 ※ This product is different from JIS products in shape and dimensions, please be careful when using.