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- Made of high quality steel and hard alloy metal which is durable and practical with a long service life.
- High frequency welding technology, the welding openings is very strong, both of the inside or outside welding mouth are smooth.
- Easy Chip Removal: Professional and unique design of the chip flutes ensures a smoother chip removal during opening, lower resistance, faster speed, and higher drilling efficiency.
- Wide Application: Mainly work on the tube breakthroughs and the opening in wall of air conditioner, range hoods and sewer pipeline. Great for sandy stones, artificial stones, concrete.
- NOT suitable for steel bars and tiles.
- Adapts to threaded shafts for SDS use
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