20mm Square Hole Drill Bit High Carbon Steel Hollow Chisel Mortise Bit for Woodworking Efficient Chip Discharge
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- Enhanced Drill Sleeve Design The drill sleeve's design evenly distributes force, offering robust defense against initial cracking and guaranteeing long-term durability.
- Efficient Chip Discharge Featuring a U-shape design with long chip drain grooves, it facilitates smooth wood chip removal, significantly enhancing drilling efficiency.
- Universal & Stable Handle The drill bit features a universal handle shape with circular designs at the end, ensuring a firmer grip and more stable clamping during use.
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