Hand taps (set of 22 pcs.) UNC No. 5 – UNC 1/2

• Cutting or reworking internal threads when controlled hand guidance is preferred
• Starting the tap carefully so the tool tracks on axis and follows the intended thread direction
• Using the tool in maintenance, fixture work and smaller batch production where direct feel is valuable
• Process: manual driving or assisted driving depending on your holder and machine setup
• Use: thread cutting, re tapping, and thread cleaning depending on condition

Note Select the product by thread designation, workpiece condition and the holder concept used in your process.

• Thread related geometry and designation are clearly assigned in the product name for practical selection
• Suitable for workshop, maintenance and machine room workflows with repeatable tool use
• The explicit standard and material markings support controlled tool assignment in professional use
• A dedicated threading tool reduces compromise compared with improvised general purpose tooling

• Tool selection still depends on matching the thread system, material and process type to the actual job.
• It is intended for defined threading work and not for undirected high speed use without the correct setup and lubrication strategy.

1. Prepare the bore and mount the tap securely in a compatible tap wrench.
2. Start the tap square to the hole with controlled manual pressure.
3. Continue turning while monitoring alignment and the running behavior of the tool.
4. Reverse the tap at controlled intervals to keep the cutting path free.
5. Remove the tap once the thread is completed and clean the bore.
6. Check the finished thread before fitting the mating component.

• 1x Hand Tap set of 3 pieces DIN 352 HSS-G - UNC No. 5 x 40 VÖLKEL 23305
• 1x Hand Tap set of 3 pieces DIN 352 HSS-G - UNC No. 8 x 32 VÖLKEL 23308
• 1x Hand Tap set of 3 pieces DIN 352 HSS-G - UNC No. 10 x 24 VÖLKEL 23310
• 1x Hand Tap set of 3 pieces DIN 352 HSS-G - UNC 1/4 x 20 VÖLKEL 23314
• 1x Hand Tap set of 3 pieces DIN 352 HSS-G - UNC 5/16 x 18 VÖLKEL 23316
• 1x Hand Tap set of 3 pieces DIN 352 HSS-G - UNC 3/8 x 16 VÖLKEL 23318
• 1x Hand Tap set of 3 pieces DIN 352 HSS-G - UNC 1/2 x 13 VÖLKEL 23322
• 1x Adjustable Tap Wrench Zinc die cast No. 1.1/2 VÖLKEL 13015

• Product type: Hand tap
• Thread system: UNC
• Standard: DIN 352
• Tool material or finish: HSS-G

What do you use Hand taps (set of 22 pcs.) UNC No. 5 – UNC 1/2 for?

You use this product for a defined threading step such as internal thread cutting, external thread cutting, hole preparation or controlled tool handling depending on the product type.

Where can you find more technical background?

For additional technical background, see Technical information hand taps as PDF.

When is hand guidance useful?

Hand guidance is useful when you want close control during thread entry, rework or maintenance work on individual parts and smaller series.

Where can you find one more related technical reference?

For a second related reference, see Inch to mm conversion table as PDF.

What does the UNC designation mean?

UNC denotes Unified National Coarse, an inch based thread series used for general fastening where robust engagement and service friendly assembly are important.

Where can you find the catalog entry for this product group?

For catalog level orientation, see VD 23 catalog as PDF.

What should you check after the operation?

Check the thread entry, running behavior and general fit with the mating part or the next process step before releasing the workpiece.

How do you protect tool life in daily use?

Use stable alignment, suitable lubrication and a holder concept that matches the torque and guidance demands of the product.