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Get it between 2024-12-31 to 2025-01-07. Additional 3 business days for provincial shipping.
High-quality materials: Twist jobber length drill bit made of 5% Cobalt alloyed high speed steel. Bronze steam surface treatment provides a combination of hardness and toughness for wear resistance; Rigid, thick web design strengthens the core to increase drill bit durability.
More professional performance: Self-centring 135-degree split point tip helps to reduce thrust and aids an easier penetration; Tips are professionally hardened and polished for more accurate and fast drilling and faster removal of chips and particles.
More comprehensive applications: The cobalt drill bit set can be used effectively on most soft and hard materials, such as stainless steel, cast iron, high temperature alloy, titanium alloy, plastics and woods.
Size&Packaging: 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", 1/2", Packed in a Plastic box with size index for easier storage.
Provide long-term after-sales service: If you are not satisfied with our product for any reason, we offer 100% refund or replacement.