Reliable HSS Counterbore Spiral Step Drill Bit For Metal Drilling, 90/180 Degree, 1 Pcs Drill Bit Sets(M6*180 Degree)

• 【Versatile Design】This spiral step drill bit is designed to have both reaming and chamfering functions, allowing for improved processing efficiency. It features a second stage angle of either 180 degrees or 90 degrees, which provides flexibility for various drilling needs.
• 【All-in-One Solution】With this drill bit, you can replace multiple drill bits for tasks such as drilling multiple holes or installing hex nuts. It offers convenience and versatility in a single tool.
• 【High-Quality Material】Made of HSS, the countersunk head of this drill bit can effectively process metal and non-metal products below 30 degrees for HRC. It is suitable for materials like cast iron, tool steel, copper, aluminum, alloy steel, iron, and die steel.
• 【Flexible Length】Due to batch production, the total length of the drill bit may vary. However, this does not affect its performance or usability. You can rely on its high-quality construction for consistent and reliable results.
• 【Multiple Options】This spiral step drill bit comes in different degrees and sizes, including for M3, , M5, M6, M8, M10, and MWhether you need precise drilling or chamfering, you can choose the degree and size that suit your specific requirements.

Features: *The drill has 2 functions of reaming and chamfering, which can improve the processing efficiency, and the second stage angle is 180 degrees or 90 degrees. *For example, for drilling 2 holes, the installation of six angle nut, ., can replace more than drill. *The countersunk head is made of HSS, which can process metal or non-metal products below 30 degrees for HRC,such as cast iron, tool steel, copper and aluminum, alloy steel, iron, die steel and so on. *Due to batch reasons, the total length may be different, which does not affect the use. Specifications: Product name: Spiral step drill bit Material: HSS Color: Black Optional Degrees: 90, 180 Optional Size: for M3, , M5, M6, M8, M10, for M12 Suitable for: Drilling, Chamfering Quantity: 1 Pc Package Contents: 1 × Spiral step drill bit