Construction Machinery & Attachments worked example

Cutting Edge Material Cost at 72% wear material scope included: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop wear material scope included to 72%, then walk the calculation through step by step. Estimate cutting edge, wear bar, or ground-engaging material cost for construction attachments.

The inputs for this scenario

  • Cutting edge length or wear material units: 148 units (held at the documented default)
  • Material cost per foot or unit: 12.75 $ / unit (held at the documented default)
  • Wear material scope included: 72 % (the input this scenario stresses; the baseline uses 100)
  • Fixed freight, drilling, and prep cost: 320 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Variable cutting edge material cost = cutting edge length or wear material units × material cost per foot or unit × wear material scope included.
  • total cutting edge material cost works out to 1,679 $ at these inputs, and this is the headline figure for the scenario.
  • cutting edge material cost per foot or unit works out to 11.34 $ / piece at these inputs.
  • variable cutting edge material cost works out to 1,359 $ at these inputs.
  • fixed freight, drilling, and prep cost works out to 320 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where wear material scope included sits at 100% and the headline result is 2,207 $, this scenario comes in 23.94% below the baseline at 1,679 $.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to wear material scope included, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It assumes one freight and prep charge for the order; split shipments or re-drilling a mismatched bolt pattern push the real per-foot cost above the figure shown.

Results at a glance

  • total cutting edge material cost: 1,679 $ (headline result)
  • cutting edge material cost per foot or unit: 11.34 $ / piece
  • variable cutting edge material cost: 1,359 $
  • fixed freight, drilling, and prep cost: 320 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Cutting Edge Material Cost calculator, set wear material scope included to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.