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- Size and material:Each metal drill bit has a diameter of 5/16 inch and is made of cobalt M35 high-speed steel (hss), which has superior toughness and durability
- Durability and applicable scenarios:High speed steel improves the surface hardness and wear resistance of drill bits, allowing them to easily penetrate sturdy materials and have a longer service life. Suitable for various scenarios such as metal, wood, plastic, aluminum alloy, etc
- Withstand heavy blows and quick replacements:The 1/4 inch hexagonal shank design allows the drill bit to withstand high torque transmission and heavy pressure. In addition, the drill bit is equipped with a quick design, which facilitates the quick of cutting tools
- Quick drilling:The specially designed 135 degree segmentation point prevents the drill bit from moving during , making it easy to start drilling. The precise parabolic groove shape helps with rapid chip removal, reducing friction and heat accumulation. Its sharp cutting edges make it easy to cut on wood and metal
- Work efficiency:Combining high speed and durability, it is favored by electricians, plumbing workers, professionals. Suitable for soft metals such as metal, wood, thin wooden boards, aluminum, copper, etc., as well as for home diy, general construction, and home engineering projects
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✓ Immediate payment required upon purchase.
✓ Contact us if you have any payment issues.
✓ Orders are shipped to the address provided at checkout. Please ensure it is correct.
✓ We process orders within 1 business day (excluding weekends and holidays).
✓ Delivery usually takes 3-5 business days.
✓ We use trusted carriers like UPS, FedEx, and USPS.
✓ Shipping is only available within the contiguous United States. No shipping to Alaska, Hawaii, Puerto Rico, or PO Boxes.
✓ Contact us if you experience any shipping delays.
✓ We offer a 30-day return policy.
✓ If you are not satisfied with your purchase, you can return it within 30 days for a full refund.
✓ Contact us to get the return address before sending back any items.
✓ Items must be returned in their original condition and packaging.