You use a rougher Mũi taro ren tay (tạo ren trong) to establish the first part of the thread profile so later passes can follow the groove with reduced correction work.
A Mũi taro ren tay (tạo ren trong) to DIN 2181 is a conventional choice for controlled manual tapping, and HSS-G points to a ground finish that can support repeatable results.
Lưu ý Align the tool carefully and use lubrication suitable for your workpiece material to support surface quality and tool life.
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.
Does the title value M 64 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 should you watch for to avoid flank damage at the thread start?Keep the tool aligned to the bore axis and apply steady torque. Use a suitable Chất bôi trơn cắt gọt ren and avoid forcing the tap when resistance rises, because misalignment can mark the first thread turns.
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.
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 64 x 2.0 |
| Overall length (L1) | 160 mm |
| Thread length (L2) | 36 mm |
| Core hole diameter (D1) | 62.0 mm |
| Shank diameter (D2) | 50.0 mm |
| Drive connector | 39.0 mm |
| Mã hàng | 28027-1 |
| Type of flute | straight fluted |
| Phạm vi ứng dụng | for through and blind holes |
| Chuẩn ren | DIN 13 |









