headquartered in Detroit
annual output
on every part
every Detroit project
Production Machining in Detroit — Built for Recurring Orders
RivCut isn’t just a prototype shop. We run CNC production machining from 10 to 5,000+ parts for Detroit hardware teams — with consistent quality, dedicated tooling, blanket-order pricing, and predictable lead times month after month. If you’re a Detroit buyer who reorders the same part every quarter, RivCut is built for you.
Blanket POs & Repeat Runs
Blanket orders, locked-in pricing, and dedicated machine time for Detroit customers who reorder month after month. No requoting every cycle.
Build Once, Run Forever
Custom fixtures and locked tool offsets shave minutes off every cycle and lock in repeatability across thousands of parts.
10 to 5,000+ Parts
Bridge runs after prototype validation through low-volume production at 5,000+ parts. Same machinists, same QA, same parts at piece 1 and piece 5,000.
SPC + CMM on Every Lot
SPC monitoring, AS9102 first-article reports, and CMM inspection on every lot. Mill certs (EN 10204 3.1) ship with every shipment.
What Ships With Every Detroit Production Order
Most online CNC platforms are built for prototypes — instant quote, one-off, ship and forget. RivCut runs the other half of the manufacturing cycle: production machining for Detroit OEMs who’ve already validated their design and need a manufacturing partner who will hold tolerances on lot 50 the same way they did on lot 1. We dedicate machine capacity, lock in fixtures, and quote blanket orders so your reorders ship on schedule without re-negotiating every quarter.
Already running prototypes with us? Production rates kick in starting at 50 pieces.
6 CNC Services for Detroit Teams
From fast prototypes to full production runs — every service tailored for Detroit’s top industries.
CNC Milling
5-axis milling for Detroit automotive brackets, EV battery enclosures, and robotics structural parts. Aluminum, steel, and lightweight alloys.
Learn More →CNC Turning
Precision-turned shafts, pins, and drivetrain components for Detroit OEMs and Tier 1 suppliers.
Learn More →Rapid Prototyping
First parts in 3 days for Detroit EV startups and R&D teams. Metal prototypes for design validation and testing.
Learn More →Production Runs
High-volume production for Detroit automotive suppliers. Consistent tolerances across 5,000+ part lots.
Learn More →DFM Design Support
Free DFM review for Detroit engineers. We optimize your design for cost and manufacturability.
Learn More →Quality Assurance
CMM inspection and PPAP-ready documentation for Detroit automotive and defense quality systems.
Learn More →Top Industries in Detroit
We machine precision parts for Detroit’s leading industries — with the materials, tolerances, and documentation each one demands.
Automotive & EV
GM, Ford, and Stellantis are all headquartered in metro Detroit. The EV transition is driving demand for battery enclosures, motor housings, power electronics brackets, and lightweight structural components. We machine it all.
See Automotive & EV Parts →Robotics & Automation
FANUC, ABB, and Kuka operate major robotics divisions in Michigan. We machine actuator housings, gripper components, end effectors, and structural arm links for Detroit’s automation industry.
See Robotics & Automation Parts →Defense
GDLS (General Dynamics Land Systems) builds military vehicles in Sterling Heights. We machine structural brackets, electronics housings, and vehicle components for Detroit-area defense programs.
See Defense Parts →Why Detroit Teams Choose RivCut
Precision, speed, documentation, and direct engineering support — built for Detroit’s demanding industries.
Automotive DNA
We understand Detroit’s quality expectations. PPAP-level documentation, consistent tolerances, and on-time delivery for OEM and Tier 1 programs.
EV-Ready Machining
Battery enclosures, motor housings, and power electronics brackets in lightweight aluminum and copper alloys. We machine the parts driving Detroit’s EV transition.
Robotics Precision
Detroit’s automation companies need tight-tolerance actuator housings and structural links. We deliver repeatability across every production lot.
Direct Engineer Access
Every Detroit project gets a dedicated engineer. No sales layers — talk directly to the person running your parts.
From CAD File to Shipped Parts
Three steps. No runaround. Built for Detroit engineering timelines.
Upload Your CAD File
Send your STEP or IGES file. Select material, quantity, and finish. We review and respond fast.
We Machine & Inspect
Your parts run on our CNC mills and lathes. Every order gets CMM inspection before shipping.
Ship with Documentation
Parts ship with CMM reports, material certs, and traceability documentation. Ready for your quality team.
Questions from Detroit Teams
More Services in Detroit
CNC Machining Materials Available in Detroit
Aluminum 6061 and 7075. Stainless 304, 316, and 17-4 PH. Ti-6Al-4V titanium. PEEK, Delrin, and Nylon 6/6. Every grade ships from our shop with a full mill cert.
| Aluminum | |
|---|---|
| 6061-T6 | 40 ksi yield, machinability ~190 |
| 7075-T6 | 73 ksi yield, aerospace structural |
| 2024-T3 | Fatigue resistant, airframe skins |
| 5052 | Marine-grade, formable |
| Steel | |
| 1018 | Low carbon, weldable |
| 4140 | Pre-hard 28–32 HRC, high strength |
| 4340 | Quenched & tempered, ultra-high strength |
| A36 | 36 ksi yield, structural |
| Stainless Steel | |
| 303 | Free-machining, sulfur-bearing |
| 304 | Austenitic, weldable, general purpose |
| 316 | Mo-bearing, marine and chemical grade |
| 17-4 PH | H900, ~190 ksi UTS |
| Titanium | |
| Grade 2 | CP titanium, weldable, biocompatible |
| Ti-6Al-4V (Grade 5) | 120 ksi yield, aerospace and medical |
| Brass & Copper | |
| C360 Brass | 100% machinability rating |
| C110 Copper | ~100% IACS conductivity |
| C101 Copper | Oxygen-free, ~101% IACS |
| Engineering Plastics | |
| Delrin (Acetal) | Low friction, dimensionally stable |
| PEEK | 250°C service temp, chemical resistant |
| Nylon 6/6 | Wear resistant, ~12 ksi tensile |
| UHMW | Impact resistant, low friction |
| Polycarbonate | Transparent, ~9 ksi tensile |
| PTFE (Teflon) | 260°C, chemically inert |
Don’t see your grade? Ask us — we machine 50+ alloys and polymers.
RivCut vs CNC Marketplaces vs Local Machine Shops
Why engineers in Detroit pick RivCut over marketplaces and local machine shops. Marketplaces are fast but route your job to the lowest bidder. Local shops are trustworthy but slow on quotes and often won’t take small jobs. RivCut combines instant online quoting with the accountability of a real, in-house USA shop.
| What You Get | RivCut Best | CNC Marketplace | Local Machine Shop |
|---|---|---|---|
| Who cuts the part | Our machinists in Union City, CA | Unknown 3rd party shop | Local machinist, varies by shop |
| Country of origin | 100% USA, never outsourced | Often shipped overseas | USA, local only |
| Instant online quote | Yes — AI-priced in seconds | Yes | No — email or phone quote |
| Talk to the machinist | Yes, direct line | No, support agent only | Yes, in person |
| Free DFM review | Yes, on every order | Sometimes, paid add-on | Sometimes, informal |
| Tightest tolerance | ±0.0002 inches | ±0.005 inches typical | Varies by shop |
| Fastest lead time | 3 business days | 5–10 business days | 2–4 weeks typical |
| Minimum order | None — one part is fine | Often 5+ pieces | Often $500+ minimum |
| CMM inspection | Every order | Paid upgrade | Sometimes, manual only |
What Engineers Say About
Working With RivCut
Real reviews from real engineers. Every project matters — including yours in Detroit.
We went through two shops before finding RivCut. Night and day difference. Parts come in right. Communication is clear. They held ±0.002" on a titanium bracket that two other shops couldn’t get right.
Aerospace PartsThey caught a tolerance issue in our drawing before production started. That saved us a full revision cycle and three weeks of delays. You don’t find that kind of attention to detail at most shops.
Medical DeviceWe needed fast turnaround on 5-axis parts for a new enclosure. RivCut delivered in 6 days. Quality was excellent. These guys move fast without cutting corners.
PrototypingThe DFM Checklist Engineers Use Before Sending CAD to a CNC Shop
14 checks for wall thickness, internal radii, tool reach, hole depth-to-diameter ratios, and tolerance stack. Catch issues before they cost you a revision cycle.
- ✓ 14-point pre-flight checklist
- ✓ Aluminum, steel & titanium-specific rules
- ✓ Printable PDF, no signup wall
Ready to Machine Your Parts?
Upload your CAD file and get a quote fast. Detroit teams trust RivCut for precision, speed, and documentation.