Rocaris 5 Pack Countersink Drill Bit Set For Wood Lesotho Rocaris 5 Pack Countersink Drill Bit Set for Wood and etal, 1/4 Hex... Woodworking and Furniture Making: When drilling holes in metal sheets or components, countersink drill bits are utilized to remove burrs from the edges of the holes, ensuring that bolts, screws, and other fasteners can be installed flush and neatly. Rocaris 5 Pack Step Drill Bit & 5 Pack M2 Countersink Drill Bit Set, Titanium Coated, 50 Sizes of Step Bit for Metal with Aluminum Case, Multiple Hole During the assembly of electronic components, countersink drill bits are used for precise hole making, facilitating the insertion and securing of components. FEL-PROFuel Injection Throttle Body Mounting Gasket. Part #: FEL-61134. $6.53. Quantity