HSS Spiral Flute Metric Screw Tap M8x1.25 Hex Shank
Part number: M8X125Hand Tools & Accessories
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Prices updated: 14 Oct 2026
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About this product
A high-speed steel spiral-flute metric screw tap with a 1/4 inch hex shank, sized M8×1.25. It cuts internal threads in a pre-drilled hole and suits both hand and machine use. The nitrided coating and spiral flutes help clear chips while tapping.
Specifications
- Material
- High speed steel (HSS)
- Thread size
- M8×1.25
- Shank
- 1/4 in hex
- Flute type
- Spiral flute
- Surface treatment
- Nitriding coated
- Use
- Hand and machine
Frequently asked questions
What drill size should I use before tapping M8x1.25?
The usual tap drill size for M8x1.25 threads is about 6.8 mm. Confirm against your thread specification or a tap drill chart before drilling.
How do I avoid breaking the tap?
Keep the tap square to the hole, use cutting oil, and back it off by about half a turn every turn or two to break the chips.
