HexTap Type DS - Double ended tap, Multi-Drive Form C HSS-G - UN 1.1/4 x 8

• For general use
• For free-machining materials up to 900 N/mm²
• For unalloyed and low-alloy steels
• For through holes and blind holes
• For hand use
• For producing new threads
• For re-tapping and repairing damaged threads

• Guide pilot for aligned starting
• Taper and plug in one tool
• Suitable for hard-to-reach areas
• Internal hex for ratchet or angle screwdriver
• External hex for open-end wrench
• Multi-Drive for flexible handling in the field

1. Confirm the size: Make sure UN 1.1/4 x 8 is the required thread size (new thread or rework).
2. Prepare the core hole: Check/prepare the core hole according to the thread chart and deburr edges carefully.
3. Secure: Clamp the workpiece firmly so you can guide the tap without pulling it off-axis.
4. Set the drive: Choose internal hex (ratchet/angle screwdriver) or external hex (open-end wrench) to match the situation.
5. Cutting fluid: Apply a suitable cutting fluid to reduce friction.
6. Start straight: Use the guide pilot, start aligned and perform the first turns calmly and in a controlled way.
7. Keep it clean: Relieve regularly, clean tool/bore and remove chips from flutes/bore.
8. Check: Clean the thread and verify fit with a screw or gauge.

• 1x HexTap Type DS – double-ended tap UN 1.1/4 x 8 (Item no. 67903)

• Product type: Double-ended tap
• Thread type: UN
• Size: UN 1.1/4 x 8
• Chamfer: Form C
• Material: HSS-G
• Drive: Multi-Drive
• Guidance: Guide pilot for aligned starting
• Hand-tool interface: Internal hex (ratchet/angle screwdriver), external hex (open-end wrench)
• Application: Hand use
• Article number: 67903

Question: Can I use the HexTap UN 1.1/4 x 8 to cut new threads as well as re-tap?

Answer: Yes. According to the product info, it is suitable for producing new threads as well as re-tapping and repairing damaged threads.

Question: Which materials are intended according to the product info?

Answer: Intended are free-machining materials up to 900 N/mm² as well as unalloyed and low-alloy steels.

Question: What does the guide pilot do in practice?

Answer: The guide pilot supports aligned starting – helping you to start the first threads more controllably.

Question: Which hand tools can I use to drive it?

Answer: According to the product info, you can use the internal hex (e.g., ratchet/angle screwdriver) or the external hex (open-end wrench).

Question: Is the tap suitable for through holes and blind holes?

Answer: According to the product info it is suitable for through holes and blind holes. Pay special attention to straight alignment and clean intermediate cleaning.

Question: Why is HSS-G useful for hand work?

Answer: HSS-G is ground high-speed steel and supports dimensional accuracy when you want to work in a controlled way by hand.