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Jiuwu Drill Bit Set 13 Pcs Tungsten Steel Cemented Carbide Twist Drill Bits,

Item Description



  • Package includes: 13 drill bits, respectively: 3/4/5/6/7/8/9/10/11/12/13.5/14/15 mm
  • This set of drill bit loses its hardness as a cutting tool once the tip starts to heat up. Using the hss drill at lower speeds with coolant or lubricant, you can successfully drill a large number of holes in metal. (continue to add water for cooling while drilling).
  • Our drill bits with low tungsten content are not suitable for stainless steel, aluminium alloys, coloured steel and other hard metals, but are suitable for a wide range of aluminium alloys, iron, copper, brass, wood, plastics and other metal materials for hand drills, bench drills and more.
  • Our drill bits bits are available in 13 different sizes to meet the various needs of your work, no need to buy other sizes separately, one set of drill bits can meet most of your drilling needs. Carbide drill bits are mainly used for pig iron and cast iron.
  • Carbide drill bits have high toughness, abrasion resistance and hardness for high speed cutting, with a large piece of carbide at the end of the drill, allowing you to easily complete your work at high speeds.

    • Customer service is our top priority! Please be sure to read the description thoroughly to make sure that this is the item you want before making a purchasing decision. If you have any questions about this item, please contact us via messages before placing your order. We make every effort possible to accurately describe and depict the items. Please be aware that slight variations in color may be due to differences in lighting and computer monitor resolutions. All items are in stock at the time of listing however, in the unlikely and unforeseen event that we are unable to fulfill your order through any of our networked warehouses, we will notify you as quickly as possible and offer you a 100% refund on your purchase. Thank you for shopping with us. We appreciate your business!

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    We provide fast, free shipping. Most items are shipped within 3-5 business days of receiving cleared payment. We ship to the lower 48 contiguous United States only. We do not ship to P.O. Boxes or APOs. Standard Shipping is ALWAYS FREE! You will be notified via messages as soon as your items ship. Special Notice for Freight Items: If an item ships via Freight (Truck) Delivery, a valid phone number will be required so that we can contact you to schedule delivery. The item may be delivered with curbside delivery. An adult signature will be required. Please be sure to have available help on hand to assist you with moving the item to the desired location in or outside of your home. Freight items must be inspected upon delivery. In the unlikely event that damaged is observed, you MUST refuse delivery and note the damage on the shipping receipt and send it back via the Freight carrier. Returns will not be accepted on Freight items after they have been delivered, inspected, and the driver has left the premises.

    We offer a 30 day return/exchange policy for most of our products. You can request a refund if you are dissatisfied for any reason with your product. (Restocking Fee May Apply). Only factory defects are accepted as a reason for a return. In the case of factory defects, if available, we will replace the product for you. When returning an item, it must be in all of the original packaging and include all of the original accessories or items that came with it. The item and package should be in original and perfect condition. You will be required to cover shipping on the return of non-defective items. All returns MUST be done within 30 days of date of purchase. Please note that we cannot give refunds or replacements after the 30 day limit has expired. When sending in a return, please note that it can take up to 7 business days for the return to be processed. We do our best to process as quickly as possible. We are extremely fair, and in the rare event of something out of the ordinary happening with our products or shipping, we will gladly work with you to find a fair resolution.