RobbJack
Cutting Tools
Machining Cost Report
September 13, 2026
Projected annual savings
$10,781saved per year
Switching this operation to RobbJack tooling lowers total annual cost by 37% on 5,000 parts a year — $53,906 over five years. The RobbJack tool's price premium pays for itself after 7 parts.
$53,906
5-year savings
37%
lower annual cost
4×
tool life
7 parts
payback
Annual cost breakdown
| Cost center | Current | RobbJack | Savings |
|---|---|---|---|
| Tooling | $4,500 | $1,500 | $3,000 |
| Machining time | $23,750 | $16,625 | $7,125 |
| Tool changes | $375 | $94 | $281 |
| Tool presetting | $500 | $125 | $375 |
| Total per year | $29,125 | $18,344 | $10,781 |
| All-in cost per part | $5.83 | $3.67 | 37% lower |
Cumulative savings projection
Year 1
$10,781
Year 2
$21,563
Year 3
$32,344
Year 4
$43,125
Year 5
$53,906
The numbers behind this report
Entered on robbjack.com — 5,000 parts per year.
| Input | Current tool | RobbJack tool |
|---|---|---|
| Price per tool | $45 | $60 |
| Parts per tool (tool life) | 50 | 200 |
| Machining time per part (min) | 3 | 2.1 |
| Machine rate ($/hr) | $95 | $95 |
| Tool-change time (min) | 3 | 3 |
| Shop labor rate ($/hr) | $75 | $75 |
| Presetting time (min) | 5 | 5 |
| Presetter rate ($/hr) | $60 | $60 |