3mm Drill Bit, 10 Pcs HSS Twist Cobalt Drill Bits Set 3mm for Drilling Stainless Steel Hard Metal Wood Copper Aluminum Plastic with Box

• ✅ 【Hardness material】The 3mm drill bit is made of cobalt containing 4341 high-speed steel, which is durable and sturdy, and has a longer service life.
• ✅ 【Size information】Cutting and shank diameter: 3mm/0.12"; Cutting edge length: 33mm/1.3"; Total length of 3mm cobalt drill bits: 61mm/2.4 ".
• ✅ 【Wide Application】These hss drill bits 3mm mainly used in cutting through hard and soft metals, such as stainless steel, aluminum, Iron, copper, plastic, wood, and metal plates, etc.
• ✅ 【How to Use】When using, the 3mm drill bits should be perpendicular to the workpiece and added with oil or water to maintain cooling. Pay attention to speed and heat control during drilling.
• ✅ 【Twist Design & Performance】The precise 135 ° fork point and twisted screw design ensure stable and non-moving 3mm metal drill bit, and faster removal of debris and particles.

3mm drill bit, 10 pcs hss twist cobalt drill bits set 3mm for drilling stainless steel hard metal wood copper aluminum plastic with box 3mm Drill Bit Features: Premium Material: The hardness HSS 4341 steel enables these drill bit for hard steel to drill holes as smoothly as butter, please rest assured to purchase. Portable well package: All 3mm steel drill bits are fixed flat in a box with compartments for easy portability. The box is opened by pushing back and forth, making it easy to use. Warm tips: Please note that these 3mm wood drill bits are not suitable for glass, ceramic materials, or brick walls. Please confirm before purchasing. Specifications: Material: HSS 4341 steel Size:3mm Color: black, gold Weight: 40g Package Includes: 3mm Drill Bit x 10 pcs