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.
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.
Does the title value M 68 x 1.5 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.
How do you decide between hand tapping and machine tapping?Hand tapping is useful when you need tactile control or when access is limited. Machine tapping is typically chosen when you need consistent feed synchronisation and higher throughput.
Which holder or wrench is appropriate?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.
How do you handle chips during tapping?Use suitable lubrication and advance with controlled torque so chips can evacuate through the flute space. Clean the tool as needed to avoid chip packing and surface scoring.
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.
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 68 x 1.5 |
| Overall length (L1) | 160 mm |
| Thread length (L2) | 36 mm |
| Core hole diameter (D1) | 66.5 mm |
| Shank diameter (D2) | 50.0 mm |
| Drive connector | 39.0 mm |
| Mã hàng | 28034-1 |
| Type of flute | straight fluted |
| Phạm vi ứng dụng | for through and blind holes |
| Chuẩn ren | DIN 13 |









