Contact Info

SERVICES & CAPABILITIES

Precision CNC Machining & Manufacturing Services

Since 1996, Benchmark Machining Inc. has been providing high-quality CNC machining services to customers in Summerville, Charleston, and throughout the Lowcountry. As a family-owned machine shop, we specialize in precision CNC milling, CNC turning, fabrication, and prototyping, delivering dependable parts for industries from OEM automotive to medical devices, marine hardware, oil & energy, electronics, and consumer products.

With a reputation for fast turnaround, attention to detail, and customer-focused service, we’re the trusted partner for local manufacturers who need quality parts—on time, every time.

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Precision Machining

At Benchmark Machining, we deliver precision CNC milling and turning for complex parts and tight-tolerance projects. Our team works with a range of materials—from stainless steel and aluminum to engineered plastics—producing parts that meet exact specifications for industries including OEM automotive, medical, and marine hardware. Whether you need tight-tolerance shafts, housings, or specialty fittings, our machining centers ensure exceptional accuracy and repeatability on every job.

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Small to Large Volume

Our facility in Summerville is equipped to handle everything from short prototype runs to large-scale production. We work with OEMs, manufacturers, and engineers to meet project timelines without compromising on quality. For high-volume production, we implement efficient setups to maintain consistency across thousands of parts. For small batches, we deliver the same precision and attention to detail—making us a trusted partner for both quick-turn and ongoing manufacturing needs.

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Prototypes

We specialize in rapid prototyping for new product designs, custom components, and pre-production testing. Our team collaborates directly with clients to refine designs for manufacturability, ensuring parts are production-ready while meeting functional requirements. From one-off concept pieces to low-volume pilot runs, our prototypes help shorten development timelines and move products to market faster.

Core Features

BMI Capabilities

CNC & CONVENTIONAL MACHINING

Precision CNC milling and turning for custom parts in Summerville, SC.

SAWING

Accurate sawing for bar stock and raw materials to size.

DRILLING

Precision drilling for holes, threads, and assembly-ready parts.

TURNING

CNC and manual turning for high-tolerance cylindrical parts.

BORING

Internal diameter machining for exact fit and smooth finish.

WELDING

TIG/MIG welding for strong, clean part assemblies.

ANODIZING

Protective anodized finishes for aluminum parts (clear, hard coat).

PAINTING

Custom coatings for durability, corrosion resistance, and aesthetics.

BENDING

Precision metal bending for brackets, frames, and formed parts.

MILLING

Multi-axis CNC milling for complex shapes and tight tolerances.

Who we work with

Industries We Serve in the Charleston Area

Benchmark Machining is proud to work with a diverse range of industries across the Lowcountry. Our shop understands the unique requirements of each sector, producing components that meet industry-specific standards.
  • OEM Automotive: CNC machining for automotive components, tooling, and OEM parts.
  • Medical Devices: Machined medical components for surgical instruments and device assemblies.
  • Marine Hardware: Corrosion-resistant components for marine and shipbuilding applications.
  • Oil & Energy: Robust, reliable parts for oilfield, energy generation, and industrial power equipment.
  • Electronics: Machined housings, enclosures, heatsinks, and other precision components.
  • Consumer Products: Prototyping and production of components for consumer goods and specialty products.

Commitment to Quality & Precision

Quality is at the core of every part we produce. Our skilled machinists, advanced CNC equipment, and rigorous inspection processes ensure parts meet or exceed print specifications. We maintain strict quality control at every stage, from material selection to final inspection, so our customers can count on parts that fit, function, and perform.

Why Choose Benchmark Machining?

  • Over 25 years of experience serving the Charleston manufacturing community
  • Local convenience—Summerville facility easily accessible from I-26
  • Full-service capabilities: CNC machining, fabrication, prototyping, finishing
  • Fast turnaround with competitive pricing
  • Family-owned business that values long-term relationships