Quick and Efficient: The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135-degree point tip and twist design for faster cutting, self-centering to prevent walk-off, and faster chip and particle removal
Various Sizes: Including 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64", 3/8", 25/64", 13/32", 27/64", 7/16", 29/64", 15/32", 31/64" and 1/2". Packed in a Metal box with a size index for easier storage
HSS Drill Bit Collection: Cobalt drill bits designed for cutting through hardened steel, showcasing outstanding performance. A total of 29 drill bits included for durability and lasting use. The bits feature hardened and polished inserts, enhancing sharpness and ensuring accurate cuts without any wobbling.
Provide long-term after-sales service: If you are not satisfied with our product for any reason, we offer a 100% refund or replacement
M35 Cobalt Drill Bit: The M35 cobalt drill bit is a durable, sharp, and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum, and other soft metals as well as plastics, wood, etc