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  • Prefect Capability & Durability - Premium high-speed steel construction for proven capability & durability to drill holes in plastic, aluminum, copper, stainless steel and many other types of materials
  • Coating for Maximum Protection - Bits are coated with an extra layer of black enamel for durability that can withstand heavy-duty applications without wear and tear
  • Fast and Efficient Drilling - The 135-degree split point tip and twist design helps with cutting speed while providing easy self-centering without walking. The twist design also allows chips and particles to quickly clear out
  • Tri-Flat Shank Secure Hold - Each bit is equipped with a 1/2" try flat shank for a secure fit into drill chucks
  • High-Speed Steel Construction - Bits are made from high-quality high-speed steel to ensure long-lasting durability through many uses
  • Stay Organized - The set comes with a durable aluminum case for safekeeping. Each slot is marked with the corresponding bit size for easy identification
  • Material: High Speed Steel
  • Coating: Black Nitrite Dual
  • Drill Bit Type: Twist
  • Length: 6"
  • Size Type: SAE
  • Size: 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in., 15/16 in., 1 inch
  • Storage Included: Yes
Product Content
  • 8pc Silver and Deming Bit
  • Aluminum Storage Case

Stark USA 8pc HSS Cobalt Silver & Deming Drill Bits Set

These versatile Silver and Deming drill bits can be used on almost any drill or drill press with a 1/2 in. or larger drill chuck. This bit set is precision ground and features a black industrial finish for added durability. The drill bits come in a fitted wooden storage box to keep them organized and ready to access for any project.


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Customer Reviews

Based on 26 reviews

An excellent product when used appropriately. Not recommended for use in harder materials, only suitable for soft steels.

Louis-philippe ct

I initially had doubts when I encountered these, but after putting them to the test, they've proven to be resilient. The carrying case is convenient, and the bits have not only held up but also consistently impressed me.

Kiril Maestrey

These bits are truly outstanding. I've been drilling 1/2" plate steel, and they effortlessly cut through without any issues. Although I did use a bit of cutting oil, I was highly impressed with their performance. While I usually sharpen my own bits, I don't think I could ever match the quality of these.

John Lynn

Utilized these on mild steel and aluminum in both a lathe and mill, and they perform exceptionally well! They are certainly worth the investment.

Tracy Gardner

Five Stars