Marine & Ocean Engineering Parts We Machine
We machine saltwater-rated components for marine and ocean engineering — corrosion-resistant fittings, underwater housings, and sensor mounts. Common materials include 316L stainless, bronze, titanium, Monel, and marine-grade aluminum.
Marine Hardware
Cleats, hinges, through-hulls, and custom deck hardware machined from 316L stainless steel and marine-grade bronze for saltwater durability.
Underwater Equipment
Pressure-rated housings, connector bodies, and mechanical assemblies for ROVs, AUVs, and subsea instrumentation systems.
Corrosion-Resistant Fittings
Custom fittings, valves, and manifolds machined from Monel, titanium, and duplex stainless for demanding marine environments.
Propeller Components
Propeller hubs, shaft couplings, strut bearings, and drive system components machined to tight runout and balance specifications.
Ocean Sensor Housings
Sealed enclosures for oceanographic sensors, tide gauges, and water quality monitoring instruments rated for deep-sea pressure.
Why Santa Cruz Marine Companies Choose RivCut
Ships from Union City, CA
We machine and ship from our shop in Union City, California. Santa Cruz companies get fast delivery with ground shipping, and we ship nationwide for teams anywhere in the US.
Instant AI-Powered Pricing
Upload your STEP or IGES file and get a real price in seconds. No waiting for a human to review your file. If your part is complex, we follow up within hours with a confirmed quote.
Tight Tolerances, Every Part
We hold ±0.001" on standard features and ±0.0005" on critical dimensions. Every part gets CMM inspection with a dimensional report included.
Full Documentation
Material certs, dimensional inspection reports, and process records ship with every order. We provide the documentation your quality team needs for incoming inspection and traceability.
3 Steps to Precision Parts
Upload & Quote
Send your STEP or IGES file. Pick material, quantity, and finish. Get an instant AI price or a confirmed quote within hours.
We Machine & Inspect
Your parts run on our CNC mills and lathes in Union City, CA. Every order gets CMM inspection and full dimensional verification.
Ship with Full Docs
Parts ship with material certs, inspection reports, and all required documentation. We ship to Santa Cruz and anywhere in the US.
Ready to Order Marine CNC Parts?
Upload your CAD file for instant pricing. We machine and ship from Union City, CA to Santa Cruz and across the entire US.
No minimum order · STEP, IGES, DXF accepted · Free DFM review