By drilling its own hole, Bit-Tip produces the optimum hole size, resulting in better thread engagement and a tighter fit. One operation fastening also means no alignment problems. Bit-Tip has a wide range of industry applications. Select the Bit-Tip that`s right for the job. Point length will determine metal thickness that can be drilled, tapped and fastened. Also, plywood, soft wood, composition board, drywall, insulation and laminates may be fastened to metal framing or components.