Based on this product's specifications, here are some alternatives and similar models
Twist drill bit IRWIN 10502409 diameter 1.6 cm
Summary description:
The IRWIN 10502409 twist drill bit is designed for precision drilling with a diameter of 1.6 cm. It is suitable for various materials, ensuring clean and accurate holes. This single piece drill bit is ideal for both professional and DIY projects, providing durability and efficiency.