You use a rougher Mũi taro ren tay (tạo ren trong) as the first stage in manual cắt ren when you want the start of the thread to be well guided and repeatable.
This DIN 2181 Mũi taro ren tay (tạo ren trong) in HSS-G is aimed at practical ren trong cutting where you need a tool you can guide precisely by hand.
Lưu ý Align the tool carefully and use lubrication suitable for your workpiece material to support surface quality and tool life.
Use a Tay quay taro or suitable holder that clamps the square reliably and keeps the tool aligned. Select the interface based on your tap size and your available guidance method.
Does the title value M 85 x 2.0 include the pitch information you need?Yes. The thread designation in the title includes both diameter and pitch, which helps you distinguish fine pitch variants from other executions of the same nominal diameter.
What is the role of the DIN 2181 reference?DIN 2181 supports standardised identification for Mũi taro ren tay (tạo ren trong). It helps you align purchasing, documentation, and workshop instructions with a recognised designation.
How do you select the correct variant for your drawing?Match the metric thread designation in your drawing to the product title, including the pitch value, because the pitch differentiates otherwise similar diameters.
What does rougher mean for a Mũi taro ren tay (tạo ren trong)?Rougher refers to the first tap stage in a staged hand tapping sequence. You use it to establish the initial thread form and guidance before you use subsequent taps, depending on your set and process.
Can you use this Mũi taro ren tay (tạo ren trong) for làm sạch ren or repair work?You can use it for controlled taro lại ren and for cleaning of existing threads when the thread form is intact, but the result depends on thread condition and how much material must be removed.
Where can you find the VÖLKEL threading catalog for selection and technical background?For additional information and the full range overview, use the catalog link. VD 23 catalog as PDF
Do you need help selecting or using the product?
Use the biểu mẫu liên hệ.
| Loại ren | metric-fine ISO-thread |
|---|---|
| Tiêu chuẩn | DIN 2181 |
| Vật liệu | HSS-G |
| Tolerance | ISO2 (6H) |
| Kích thước | M 85 x 2.0 |
| Overall length (L1) | 160 mm |
| Thread length (L2) | 40 mm |
| Core hole diameter (D1) | 83.0 mm |
| Shank diameter (D2) | 50.0 mm |
| Drive connector | 39.0 mm |
| Mã hàng | 28075-1 |
| Type of flute | straight fluted |
| Phạm vi ứng dụng | for through and blind holes |
| Chuẩn ren | DIN 13 |









