Free while we grow · No card · No limits

Calculators, an AI machinist, and a CRM for tool reps.

AI Machinist

4man

Ask anything — speeds & feeds, alarm codes, insert selection, quoting. Trained on 870K cutting tools, materials data, and real shop forums. It remembers your machines and materials.

Ask 4man →
Works without an account · Sign in free to save your shop profile
Distributor CRM

CRM

Built for tool reps. Log a visit in one sentence, get visit briefs before you walk in, recaps after, auto-tracked opportunities, and cost-savings reports your customer can hand to their boss.

Open CRM →
Sign in free · Your accounts stay walled per rep
Free Calculators

Calculators

36 shop calculators — speeds and feeds, hole patterns, fits and threads, business math. Works on your phone. No signup, ever.

Browse all 36 →
No account needed
Quick launch
All calculators →
SFM Chip load MRR Drilling cost Margin Cycle time True position Bolt circle ISO fits Hardness Surface finish Decimal equiv
Machining Wiki
121 practical articles — materials, troubleshooting, tooling brands, alarm codes.
Reference Guides
Long-form guides — speeds & feeds, GD&T, abrasives, thread charts, cost estimation.
Industrial distributor? We're taking a founding cohort — co-branded portal, your reps front and center, founding pricing locked for life.
Founding partner program →