Cost Per Hole: How to Calculate Deep Hole Drilling Costs

I calculate cost per hole on every job, even quick quotes. Knowing the true cost keeps my pricing accurate and highlights where to improve. Here is my complete method for calculating deep hole drilling costs. The Five Cost Components Every hole cost breaks down into five components. The percentages vary by job, but the structure is the same. Component Typical Range What It Includes Machine time 50-60% Cycle time x machine hourly rate Tooling 15-25% Drill cost per edge + regrind cost Labor 10-20% Load/unload time x hourly rate Coolant 5-10% Coolant purchase + filtration + disposal Overhead 5-10% Facility, management, quality, utilities Machine time is always the largest component. Reducing cycle time has the biggest impact on cost per hole. I focus on machine time first when optimizing a job. ...

June 11, 2026 · Engineer at the Deep Hole