On average, when fastening machine screws in metal assemblies, screw represents only 15% of the total in-place cost. The remaining 85% corresponds to tapping operations, cleaning oil and chips, usage of additional elements to prevent vibration loosening and cross-threading, labor expenses, ...
All of these elements are known as "BIG 85™".
Buying cheaper screws will not save you a lot. Screws represent just 15% of the total cost. The challenge is to reduce this "BIG 85™" and TAPTITE 2000® screw is the best solution to achieve this goal.