10pcs Straight Shank Drill Bit Set Micro Size Cobalt Drill Bit Industrial Supplies

Label:Yes [Designed for Jewelry Work] Specially designed for pearl bead drilling, jewelry processing and making. [High Hardness & Endurance] These bits have high hardness and can handle demanding tasks with reliable wear and heat performance. [Stable & Dependable] The product features a stable structure and delivers consistent drilling results. [Convenient Storage] Includes a plastic storage case for easy carrying and simple access, keeping bits organized. [Sturdy Metal Construction] Made from sturdy metal material, these twist drill bits are durable and provide a long service life.

Item Type: Twist Drill Bit Material: High speed steel 4241 Color: Silvery Standard(optional): 1.80mm(0.07in) /1.0mm(0.04in) Total length :Approx. 46mm(1.81in) / 34mm(1.34in) Package List: 10 x Twist Drill Bit