Blog · 20 customer stories

How Proco parts show up in the field

Every part we make ends up inside somebody's product. These are the stories behind them — the problem a customer brought us, the stamping, machined part, fastener, casting, or enclosure we built to solve it, and what changed once it hit their line.

Antimicrobial white powder-coated aluminum medical cart electronics drawer

Sheet-metal enclosuresMay 12, 20264 min read

An antimicrobial drawer for a mobile clinical cart

A medical-cart maker needed an electronics drawer that survives constant hospital disinfection. An antimicrobial-coated aluminum drawer delivered a cleanable, durable part.

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Blue-gray powder-coated 5052 aluminum portable analyzer case

Sheet-metal enclosuresApril 14, 20264 min read

A rugged analyzer case for field water-quality testing

A water-testing instrument kept getting damaged in the field. A purpose-built aluminum case made it rugged enough for the back of a truck without making it heavy.

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Black fine-texture powder-coated 1U aluminum rackmount chassis

Sheet-metal enclosuresMarch 10, 20264 min read

A 1U chassis that made a network startup's product look shippable

A networking startup's hand-built enclosures fit poorly and looked like prototypes. A proper 1U chassis gave their product rack-true fit and a finish worthy of the price.

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Brushed 304 stainless NEMA 4 washdown electrical cabinet

Sheet-metal enclosuresFebruary 10, 20264 min read

A washdown-rated cabinet for a craft brewery's controls

A craft brewery's control electronics kept dying in the daily washdown. A NEMA 4 stainless enclosure with proper sealing finally kept the water where it belonged.

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Tumbled and polished silicon-bronze cast marine cleat base

Metal castingsJanuary 13, 20264 min read

A bronze cleat base built for the salt-spray life

A marine-hardware maker's stainless cleats were pitting and staining in salt service. A silicon-bronze casting gave them corrosion resistance and a finish that lasts.

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Gray powder-coated A356-T6 cast aluminum robotic base pedestal

Metal castingsDecember 9, 20255 min read

A cast pedestal that stiffened a cobot for heavier payloads

A cobot integrator's welded-plate pedestals flexed under motion, hurting placement accuracy. A cast A356 pedestal added stiffness and a precise, flat mounting interface.

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Pickled and passivated CF8M stainless cast pump volute

Metal castingsNovember 11, 20255 min read

A stainless volute that stood up to a corrosive process

A process-pump builder's cast-iron volutes were corroding out early in chemical service. A CF8M stainless casting gave them the chemistry and the seal face they needed.

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Black powder-coated ADC12 die-cast LED heat-sink body

Metal castingsOctober 14, 20255 min read

A die-cast heat sink that let an outdoor luminaire run cooler

An outdoor-lighting maker was assembling luminaire housings from extrusions and brackets. A single die-cast heat-sink body cooled the LEDs better and cut the part count.

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Black-oxide 4140 steel custom eccentric shoulder bolt

Fasteners & hardwareSeptember 9, 20255 min read

A custom eccentric bolt that made belt tensioning tool-free

A conveyor builder's belt-tensioning slots were fiddly and slipped under load. One custom eccentric bolt turned tensioning into a simple, repeatable turn.

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304 stainless helical thread insert for aluminum

Fasteners & hardwareAugust 12, 20254 min read

Reinforcing aluminum threads on a drone-mount product

Aluminum threads were galling and pulling out after a few reassemblies on a robotics mount. Helical inserts gave the soft bosses a hard, durable steel thread.

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Passivated A4 stainless sealing screw with fluoropolymer O-ring

Fasteners & hardwareJuly 15, 20254 min read

Keeping water out of an outdoor sensor with a sealing screw

Field sensors were failing after rain because water tracked in around the cover screws. A bonded-washer sealing screw closed the leak path without touching the enclosure design.

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Zinc-plated M4 self-clinching nut for sheet metal

Fasteners & hardwareJune 10, 20254 min read

Ending stripped threads on a sheet-metal chassis line

Tapping threads directly into thin sheet metal left an instrument maker with stripped holes and field failures. Self-clinching nuts gave every hole a real, reusable thread.

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Black-anodized 6063 aluminum machined RF amplifier heat sink

CNC-machined partsMay 13, 20254 min read

Keeping a 5G amplifier cool without blowing the thermal budget

A wireless-hardware maker's amplifier was running hot in a sealed enclosure. A machined heat sink with a truly flat device interface pulled the junction temperature back into spec.

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Hardcoat-anodized 7075 aluminum machined hydraulic manifold block

CNC-machined partsApril 8, 20255 min read

Cutting leaks and rework on a mobile-hydraulics manifold

Weeping port faces and burr-clogged cross-holes were driving rework on a hydraulics builder's manifolds. Tighter machining and deburring discipline fixed both.

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Electropolished 316L stainless machined surgical instrument handle

CNC-machined partsMarch 11, 20255 min read

A reusable surgical handle that survives 500 autoclave cycles

A surgical-instrument maker needed a reusable handle that could take hundreds of autoclave cycles without pitting or roughening. Machined 316L and an electropolish delivered it.

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Black-anodized 6061 aluminum five-axis-machined optical mount

CNC-machined partsFebruary 11, 20255 min read

Holding ±0.02mm so a vision startup could ship on time

A machine-vision startup needed an optical mount rigid and precise enough to hold camera alignment on a factory floor. Five-axis machining delivered it — and scaled from one prototype to production.

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Clear-anodized 5052 aluminum stamped solar rail splice plate

Metal stampingsJanuary 14, 20254 min read

Speeding up rooftop solar installs with a better splice plate

A regional solar installer was losing crew time fighting rail splices on the roof. A redesigned aluminum splice plate made the joint self-aligning and shaved minutes off every rail run.

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Bright tin-plated nickel-silver stamped EMI shield frame

Metal stampingsDecember 10, 20245 min read

Passing FCC emissions on the first try with a board-level shield

A wireless audio startup was failing pre-compliance emissions. A precision-stamped, solderable shield frame closed the gap and kept their launch on schedule.

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Tumbled 301 stainless stamped cable retention clip

Metal stampingsNovember 12, 20244 min read

Silencing a wire-harness rattle for an off-road vehicle upfitter

Warranty returns traced back to a harness that buzzed loose over rough terrain. A stamped spring-stainless clip fixed the rattle and the chafing risk in one part.

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Clear-zinc-plated right-angle stamped steel mounting bracket

Metal stampingsOctober 8, 20245 min read

How a stamped bracket cut a panel builder's assembly bottleneck

A 15-person control-panel shop was cutting and drilling its own mounting angles. Swapping to a stamped, pre-plated bracket freed a skilled fabricator and cut a persistent assembly bottleneck.

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