Types of Drill bits mechanical electrical freshers 2025 2023 5 Center Drill Size
AnNafi® Drill Measurement Gauge Tool Stainless Steel | Metric Standard & Fractuonal Sizes UM (Unit of Measure). Imperial. LF (Functional Length). 0.4505. DC (Cut Diameter). 0.1875. A1 (Angle 1). 60.0. DCONms (Connection Diameter). Brad reviews Self Centering Drill Bits and shows how they work to get perfect holes every time for your hinges. Check it out on ...