HSS4241 Triangle Shank Step Drill Bit for Metal (4-12mm, 4-20mm, 4-32mm)

This high-speed steel step drill bit is designed for precision drilling through metal surfaces, featuring three versatile size options: 4-12mm, 4-20mm, and 4-32mm. The unique triangle shank ensures a secure grip and prevents slipping during use, while the step design allows for seamless drilling of multiple hole sizes without the need to change bits. Ideal for both professional and DIY projects, this drill bit provides efficient and smooth drilling performance. Blade Length: Standard Full Length: Standard Manufacture country: China Instructions included: No