HSS Spiral Flute Metric Screw Tap M5x0.8 Hex Shank
Part number: M5X08Hand Tools & Accessories
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Prices updated: 13 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 M5×0.8 for cutting internal threads in pre-drilled holes. It suits manual and machine use, and its nitrided coating and spiral flutes help remove chips during tapping.
Specifications
- Material
- High speed steel (HSS)
- Thread size
- M5×0.8
- 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 M5x0.8?
The usual tap drill size for M5x0.8 threads is about 4.2 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.
