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Product Details
✓【Size & Package】With 10mm (3/8") & 1/2-inch reduced shank design, this set offers exceptional versatility and is compatible with all drill presses and most power tools. Size includes a full range of 8 pieces:9/16”, 5/8”, 11/16”, 3/4”, 13/16”, 7/8”, 15/16”, 1”.
✓【High Durability】This reduced shank drill bit adopts sturdy tungsten steel for bend & fracture resistance. It delivers high hardness, great toughness and wear resistance for long service life. The spiral flute smoothly evacuates metal chips to simplify drilling work.
✓【Black & Gold Dual Coating】: The premium gold oxide and black nitride dual coating provides superior rust resistance while improving lubricant adhesion. This coating, paired with hardened HSS, ensures the bit maintains sharpness and performance even during heavy-duty, deep drilling in tough materials.
✓【Superior Drilling Performance】: With a drill bit's sharper 118° angle,twist drills can quickly and efficiently drill into materials, making them less prone to deviation.It penetrates hard materials without pre-drilling and reduces chip clogging, great for metal, wood, home repair and DIY woodworking.
✓【Wide Application】: The drill bit is suitable for metals and woodworking projects, making it widely applicable in daily operations such as home maintenance and light industrial use. Additionally, it is effective for processing medium-hardness materials, including copper, aluminum, iron, plastic, and wood (Note: Use water cooling when drilling stainless steel).