You use Mũi taro ren tay (tạo ren trong) set of 3 chiếc JIS B-4430 HSS-G - UNF 1" x 12 to generate threads during manufacturing, maintenance, or repair work. Correct results depend on matching the tool to the specified thread designation and keeping the tool aligned to the axis.
UNF means Unified National Fine, an inch based fine thread series used where higher thread engagement is specified. HSS-G indicates high speed thép with a ground execution, typically chosen for controlled cutting and consistent geometry.
Lưu ý Clean threads and tools before use, apply suitable lubrication for cutting operations, and stop if resistance rises sharply.
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| Loại ren | Unified Fine Thread |
|---|---|
| Tiêu chuẩn | JIS B-4430 |
| Vật liệu | HSS-G |
| Tolerance | 2B |
| Kích thước | UNF 1" x 12 |
| Overall length (L1) | 125 mm |
| Thread length (L2) | 60 mm |
| Core hole diameter (D1) | 23.25 mm |
| Shank diameter (D2) | 20.0 mm |
| Drive connector | 15.0 mm |
| EAN | 4022835934769 |
| Mã hàng | 93476 |
| Type of flute | straight fluted |
| Phạm vi ứng dụng | for through and blind holes |
| Chuẩn ren | ANSI B 1.1 |










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