Sheet Metal Fabrication

Choose BOYI for personalized sheet metal fabrication components, from intricate prototypes to high-volume production. Enjoy a diverse range of materials and processes, with skilled fabricators and experienced engineers ensuring precision manufacturing to exact specifications and quality standards.


Sheet Metal Fabrication Services


Laser Cutting

Laser cutting employs a high-power laser for precise cutting of sheet metals, delivering speed and the capability to craft intricate designs with smooth finishes and tight tolerances.


Plasma Cutting

Plasma Cutting, on the other hand, utilizes an accelerated jet of hot plasma to cut through electrically conductive materials. It is particularly suitable for thick materials, offering high-speed, cost-effective solutions for large-scale industrial metal fabrication.



Bending is a versatile process in sheet metal fabrication, shaping materials into V-shapes, U-shapes, and channels with high precision and repeatability at minimal setup costs. It excels in handling complex geometries.

What Is Sheet Metal Fabrication?

Sheet metal fabrication is a manufacturing process that transforms flat metal sheets into specific-shaped and functional components through processes such as cutting, bending, stamping, welding, and more. Widely utilized across industries, it spans applications from electronic devices to architectural structures.

Key Processes:

  1. Cutting and Shearing: In the initial stages, raw metal sheets are precisely cut and sheared according to design specifications to ensure accurate dimensions and shapes.

  2. Bending and Forming: Utilizing specialized equipment, metal sheets undergo precise bending and forming to achieve the desired geometric shapes.

  3. Stamping: Using punch presses or CNC machines to stamp holes, grooves, or specific shapes in the metal to meet design requirements.

  4. Welding: Different components are joined together through welding processes to form an integrated structural assembly.

  5. Surface Treatment: Includes surface treatments such as painting, coating, enhancing the corrosion resistance, and visual aesthetics of the components.

Application Areas:

Sheet metal fabrication finds extensive application in automotive manufacturing, electronics, construction, and more. From car bodies to electronic device casings, precision sheet metal components play a crucial role.

Bending & Forming Capabilities

Sheet stock begins its journey in a pristine flat state, awaiting its transformation through a meticulous sequence of steps. In the realm of a typical sheet metal project, the initial phase mirrors the artistry of sheet cutting. Employing tools such as shear, laser, waterjet, plasma, or punch press, internal holes and edge features are intricately crafted, a process commonly referred to as blanking.

Once the blank emerges, the narrative unfolds into the next chapter – the art of sheet metal forming. A diverse array of tools comes into play, with a brake being the protagonist in this unfolding drama. Whether manual or automated, a brake press takes center stage, utilizing die inserts to choreograph a symphony of angular bends. This transformative dance elevates the initially two-dimensional sheet into the realm of a mesmerizing three-dimensional object.

Sheet metal forming, akin to a skilled sculptor’s hands, has the ability to bend the part in myriad directions. From crafting simplistic components like brackets to navigating the intricate landscapes of highly complex geometries, the process may call for the utilization of custom die tools, each a bespoke instrument in the hands of the artisan.

With the tools meticulously positioned, the subsequent act of crafting sheet parts in production becomes a remarkably economical endeavor. The efficiency of the process renders sheet metal fabrication and forming an ideal choice, seamlessly catering to the spectrum of production volumes, from low to high. In this synthesis of precision, versatility, and cost-effectiveness, sheet metal emerges as the canvas for transforming concepts into tangible realities.



How to work with us

1.Sending CAD Files To Email or LinkedIn

First, you can send CAD files and detailed information (material, quan-tity, tolerance, etc.) to us  Email or Linkedin .

2.Manufacturability Analysisand Offering Quotation

Secondly, we will analyze manufactur-ability based on drawings of productsand give you a favorable quotation.

3.Start manufacturing!

Thirdly, we will start manufacturing process once all relevant deatials are fully confirmed.

4.Parts are Completedand Shipped

Finally, we will carefully pack and shipthe goods when the products are completed.


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General Tolerances for Sheet Metal Fabrication

Our sheet metal workshops adhere to the stringent tolerances outlined in ISO 13485, ensuring a consistent and high-quality output. If your specifications require tolerances beyond these established standards, kindly outline your specific needs in the design schematics or communicate directly with our team of engineers.

Dimension DetailMetric UnitsImperial Units

Edge to edge, single surface

+/- 0.127 mm+/- 0.005 in.

Edge to hole, single surface

+/- 0.127 mm+/- 0.005 in.

Hole to hole, single surface

+/- 0.127 mm+/- 0.005 in.

Bend to edge / hole, single surface

+/- 0.254 mm+/- 0.010 in.

Edge to feature, multiple surface

+/- 0.762 mm+/- 0.030 in.

Over formed part, multiple surface

+/- 0.762 mm+/- 0.030 in.

Bend angle

+/- 1°

By default, sharp edges will undergo a breaking and deburring process. Should there be any specific edges critical to your design that need to remain sharp, kindly make a note of them and specify in your drawing.

Sheet Metal Fabrication Parts Made By BOYI

Sheet Metal Fabrication Surface Finishing

Explore a range of sheet metal finishes to elevate corrosion resistance, durability, and aesthetic appeal. If you don’t find the desired finish on our quote page, opt for ‘Other’ and detail your preferences for a tailor-made solution.

AnodizingAluminumClear, black, grey, red, blue, goldSmooth, matte finishThin layer: 5-20 µm, Hard anodic oxide film: 60-200 µm
Bead BlastingAluminum, Brass, Stainless Steel, SteelNoneMatte0.3mm-6mm
Powder CoatingAluminum, Brass, Stainless Steel, SteelBlack, any RAL code or Pantone numberGloss or semi-glossVarious thickness based on material
ElectroplatingAluminum, Brass, Stainless Steel, SteelVariesSmooth, glossy finish30-500 µin
PolishingAluminum, Brass, Stainless Steel, SteelN/AGlossyN/A
BrushingAluminum, Brass, Stainless Steel, SteelVariesSatinN/A
Silkscreen PrintingAluminum, Brass, Stainless Steel, SteelVariesN/A< 1 µm
PassivationStainless SteelNoneUnchanged5μm – 25μm



Need Help?


BOYI specializes in providing comprehensive sheet metal fabrication solutions, covering a wide range of processes such as cutting, bending, forming, welding, and finishing. Our services cater to diverse industries, offering precision and customization in every project.

The acceptable tolerances for fabricated components at BOYI are meticulously maintained to industry standards. We adhere to strict quality control measures, ensuring precision and accuracy in every detail of the fabrication process.

The K factor in sheet metal applications refers to the ratio of the neutral axis to the material thickness during bending. It is a crucial parameter influencing the accuracy of the final bend angle. BOYI’s experienced team understands the nuances of the K factor, optimizing it for each specific material and design to achieve desired results.

Our pricing structure for sheet metal fabrication services is transparent and tailored to the specific requirements of each project. Factors such as material selection, complexity, and volume are taken into account to provide competitive and fair pricing.

BOYI does not impose a minimum order requirement for availing our sheet metal fabrication services. Whether it’s a prototype or a large-scale production run, we are committed to meeting the unique needs of each client.

BOYI excels in handling custom or specialized sheet metal fabrication requests. Our skilled team, coupled with advanced technology, allows us to adapt to unique design specifications and deliver tailor-made solutions that meet or exceed customer expectations.

We offer a wide variety of materials for sheet metal fabrication, including but not limited to stainless steel, aluminum, copper, and various alloys. The selection of materials plays a crucial role in determining the final product’s properties, durability, and aesthetics, and our experts guide clients in making informed choices.

Quality control is integral to BOYI’s sheet metal fabrication process. We implement rigorous inspection procedures at every stage, from material procurement to the final finishing touches. Our commitment to quality ensures that each fabricated component meets the highest standards and specifications outlined by our clients.


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See What Our Customers Say

"BOYI has consistently impressed us with their precision in manufacturing custom OEM components. From the intricate details to the overall quality, they have exceeded our expectations. The attention to detail in their production process ensures that each part meets our specifications, contributing to the success of our final products. It's not just about getting the job done; it's about getting it done right, and BOYI has consistently delivered on that front."

Ishita Malhotra

Supply Chain Director at Precision Dynamics

"Working with BOYI has been a game-changer for our production timelines. The team's commitment to delivering on time is unmatched. In the fast-paced world of OEM manufacturing, meeting deadlines is crucial, and BOYI has proven time and again that they not only understand the urgency but also have the capability to deliver high-quality custom components within the specified timeframes. Their reliability is a key factor in our continued partnership."

Kylo James

Engineering Manager at TechInnovate Corp

"BOYI stands out as more than just a supplier; they are collaborative problem solvers. In the course of our projects, challenges inevitably arise, and BOYI has consistently demonstrated a proactive approach in finding solutions. Their engineering team engages with ours, providing valuable insights and recommendations to optimize designs for manufacturability. This collaborative spirit has not only streamlined our production processes but has also strengthened our product offerings."

Ella Perez

Procurement Manager at NexGen Innovations

"BOYI has been instrumental in our cost-effective OEM customization journey. Their ability to provide tailored solutions without compromising quality has significantly impacted our bottom line. The transparent communication regarding costs and the flexibility in adapting to our evolving needs have made them a trusted partner. BOYI doesn't just offer manufacturing services; they offer a strategic partnership that adds value to our entire product development lifecycle."

Elsie Ross

R&D Lead at InnovateTech Solutions

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