Pro pays for itself on the first substitution.
Tooling spend leaks in three places: paying brand-name price where a verified equivalent does the same job, a machine standing still because the one approved grade is on backorder, and the wrong call that breaks a tool and scraps the part. Pro closes all three — a verified cross-reference for the expensive grade, a second source before the shortage bites, and reasoning you can defend to whoever signs the purchase order. One prevented incident or one converted line item covers the year.
1 answer a day with no account, 3 a day with a free email sign-in (no password). Every answer shows the full reasoning and the catalog source it came from.
Ask a question freeEverything in Free, plus a generous monthly allowance built for shop work (around 150 answers — never metered mid-job), saved job history, your machine and tool profiles, and shareable spec sheets to send to the floor or attach to a purchase request. Cross-reference expensive grades to verified equivalents, and line up a second source before a delivery slips. Reasoning and catalog sources always included.
Get Pro now (€19/mo or €190/yr)Pay via Gumroad. Access is activated within a few hours.
One plan for the whole bench: a shared pool of answers across all your machinists (no per-seat juggling), shared job history, and priority support. Set it up with a short call.
Talk to us about ShopTeams, enterprise (SSO, SOC 2, GDPR-ready) and the brand-neutral data API for distributors and ERP/MES: talk to sales.
No brand pays us. The recommendation is what a 20-year tool specialist would pick for your job: drill, end mill, reamer, tap or insert, across every major manufacturer. That neutrality is exactly what makes the cross-reference trustworthy — a supplier comparing to their own stock has a reason to flatter the match; we don't.
Typical machine-hour rates in NL/DE job shops: CNC lathe 45 to 75 EUR, 3-axis milling 55 to 85 EUR, 5-axis machining 85 to 130 EUR. A broken tool with a stopped spindle and a scrapped part typically costs several hundred euros per incident — and a premium insert priced 30 to 50% above a verified equivalent quietly costs the same over a production run.