Hand Tap Rougher DIN 2181 HSS-G - M 68 x 4.0

• Process: manual driving or assisted driving depending on your holder and machine setup.
• Use: thread cutting, re tapping, and thread cleaning depending on condition.
• Use it when you need to match the metric designation and pitch stated in the title.
• Use it for maintenance jobs where controlled tool guidance is important in the first pass.
• Use it as the first stage in a staged hand tap sequence when you want a guided thread start.

Note Align the tool carefully and use lubrication suitable for your workpiece material to support surface quality and tool life.

• Useful when you want to reduce corrective rework by creating a clean initial thread path
• Suitable for routine threading tasks in maintenance and fabrication environments
• Supports a staged tapping sequence where the first pass establishes guidance for later tools
• DIN 2181 reference supports standardised selection and documentation in production planning

• May be restricted when the workpiece material promotes built up edge, depending on lubricant selection
• Not ideal when you need high output production cycles where a dedicated machine tap would be more efficient

1. Confirm the thread standard and pitch from your drawing and check that the bore is prepared accordingly.
2. Select a suitable lubricant for your workpiece material and prepare cleaning tools for chip removal.
3. Clamp the workpiece securely and align the tap axis to the bore axis before you start.
4. Mount the tap in an appropriate wrench or holder and ensure the square is clamped without play.
5. Start the tap carefully and apply steady torque while keeping alignment under control.
6. Continue with controlled advancement and clear chips as needed. Technical information hand taps as PDF
7. Remove the tap carefully, clean the thread, and protect the cutting edges before storage.

• 1 piece: Hand Tap Rougher DIN 2181 HSS-G - M 68 x 4.0

• Standard: DIN 2181
• Material: HSS-G
• Tool type: Hand tap rougher
• Thread designation: M 68 x 4.0
• Thread system: Metric internal thread, as designated in the title
• Execution: Ground, depending on variant

How do you select the correct variant for your drawing?

Match the metric thread designation in your drawing to the product title M 68 x 4.0, including the pitch value, because the pitch differentiates otherwise similar diameters.

Does the title value M 68 x 4.0 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.

Can you use this hand tap for thread cleaning or repair work?

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.

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 lubricant 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 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.

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