Hand Tap Rougher DIN 2181 HSS-G - M 75 x 3.0

• 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 workshop repairs and new production where you need a staged hand tapping approach.
• Use it as the first stage in a staged hand tap sequence when you want a guided thread start.
• Process: manual driving or assisted driving depending on your holder and machine setup.

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

• Can support repeatable results when you keep lubrication, alignment, and chip evacuation consistent
• Ground HSS-G execution can help you maintain consistent cutting edges, depending on workpiece material
• Helps you control alignment at the start of the thread when combined with a suitable wrench and guidance
• The title based size and pitch marking simplifies variant selection across similar diameters

• 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 75 x 3.0

• Standard: DIN 2181
• Material: HSS-G
• Tool type: Hand tap rougher
• Thread designation: M 75 x 3.0
• Thread system: Metric internal thread, as designated in the title
• Execution: Ground, depending on variant

What does rougher mean for a hand tap?

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 75 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.

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.

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