21K views · 34 reactions | Step drill bit ‍ The beauty of step drill bits is that they can go from no-hole to large-hole very quickly as there’s no need to swap between 2, 3, or even more intermediate drill bit sizes. #civilengineering #theconstructor #construction #civil #engineering #civilengineeringworld #civilengineer #engineer #engineers #building #civilconstruction #constructionlife #engineeringlife #constructionworker | The Constructor - Civil Engineering Home | Facebook