You use a rougher hand tap to establish the first part of the thread profile so later passes can follow the groove with reduced correction work.
A hand tap to DIN 2181 is a conventional choice for controlled manual tapping, and HSS-G points to a ground finish that can support repeatable results.
Note 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 re tapping 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 84 x 3.0 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.
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 tap wrench 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 hand taps. 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 contact form.
| Type of thread | metric-fine ISO-thread |
|---|---|
| Standard | DIN 2181 |
| Material | HSS-G |
| Tolerance | ISO2 (6H) |
| Size | M 84 x 3.0 |
| Overall length (L1) | 220 mm |
| Thread length (L2) | 55 mm |
| Core hole diameter (D1) | 81.0 mm |
| Shank diameter (D2) | 50.0 mm |
| Drive connector | 39.0 mm |
| Item number | 28072-1 |
| Type of flute | straight fluted |
| Application | for through and blind holes |
| Thread standard | DIN 13 |









