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Precision Metal Grades & Services: The Banner Commercial Advantage

When it comes to sourcing metals for demanding industrial applications, precision and reliability are non-negotiable. At Banner Commercial, we specialize in delivering high-quality metal grades and value-added services that empower manufacturers across North America. With over 50 years of expertise, our ISO-certified facilities and extensive inventory make us the trusted partner for industries that require tight tolerances and consistent performance. 

Metal Grades We Offer: Banner Commercial’s portfolio includes a broad range of specialty bar quality (SBQ) materials: 

  • Carbon Steel: Renowned for its strength and versatility, carbon steel is essential for automotive, construction, and heavy equipment manufacturing. We supply a full selection of grades, ensuring reliable performance and efficiency for every project. 
  • Stainless Steel: Available in multiple grades, stainless steel is prized for its corrosion resistance and durability. It’s a staple in medical device manufacturing, food processing, and energy sectors. 
  • Brass: Our brass grades are ideal for valve bodies, hydraulic fittings, and equipment manufacturing, offering excellent machinability and compliance with industry standards. 
  • Aluminum & Titanium: Lightweight yet strong, these metals are crucial for aerospace, robotics, and renewable energy applications. Banner Commercial sources and stocks a wide array of grades to meet specialized needs. 
  • Nickel & Exotic Alloys: For high-temperature and corrosive environments, our nickel alloys deliver exceptional performance in sectors like oil & gas and advanced manufacturing. 

With more than 8 million pounds of inventory on hand—and the capability to source virtually any grade—Banner Commercial offers one of the most extensive selections in the industry. 

Comprehensive Services: Our advanced bar processing capabilities include: 

  • Centerless Grinding: Achieve diameters from .032″ to 9″ with tolerances as tight as ±.0001″, ensuring superior surface finishes and dimensional accuracy. 
  • Turning & Straightening: Precision turning and straightening maximize machinability and reduce cycle times, supporting high-speed production environments. 
  • Cut-to-Length & Chamfering: Custom cut-to-length and chamfering services streamline production and minimize waste. 
  • Surface Treatments: We offer black oxide, chrome plating, anodizing, and zinc plating to enhance material performance and longevity. 
  • Heat Treating & Non-Destructive Testing: Hardening, stress relieving, annealing, and ultrasonic testing ensure every bar meets stringent quality standards. 

Our value-added services are designed to reduce freight and logistics costs, improve risk management, and maximize operational efficiency for our customers. 

Why Choose Banner Commercial? 

  • ISO 9001 & AS9100 Certifications: Reflect our commitment to accuracy, consistency, and customer satisfaction. 
  • Single-Source Solution: From raw material to finished form, we help manufacturers streamline production and meet demanding performance standards. 
  • Expert Guidance: Our experienced team is ready to guide you toward the best solution for your application, whether you’re working in aerospace, medical, automotive, or general manufacturing. 

Banner Commercial is more than a supplier—we’re your strategic partner in precision metals. Discover how our metal grades and services can power your next project. Contact us today for a free quote. 

The centerless ground bar manufacturing process is a method of making round bars with extremely precise diameters and excellent surface finish. It involves feeding a metal bar between two grinding wheels to create a high-precision round bar that has a consistent diameter along its entire length.

The entire process can be automated for higher volume production, or it can be done manually for smaller batches. By using centerless ground bar, metal manufacturers can produce precision components that meet very exacting specifications.

Are you interested in learning how centerless ground bars are produced? This centerless ground bar supplier in Atlanta, Georgia is going to provide an overview of the process below.

Phase 1: Setup

The first step in the centerless ground bar manufacturing process is the setup. During this phase, a technician will carefully adjust the two grinding wheels and their alignment to make sure they are set up properly for the type and grade of material being machined.

This includes setting the required diameter of the finished product, as well as ensuring that the grinding wheels are properly lubricated and maintained to prevent damage or excessive wear.

Additionally, during this phase, it’s important to double-check the machine’s alignment. This ensures that when the bars move through the grinding wheels, they won’t be deflected off course or damaged.

Once all adjustments have been made, the technicians will also need to program any automated machinery involved in production as necessary. This ensures that the components are machined correctly and efficiently.

Phase 2: Feeding the Bar

Once the adjustments have been made, it’s time to begin feeding the bar through the grinding wheels. This can be done either manually or with automated machinery depending on the size and number of bars that need to be machined.

When using the manual feeding method, technicians will carefully place each bar between two grinding wheels as necessary, then adjust their alignment as needed during production.

If your centerless ground bar supplier in Atlanta, Georgia uses automated machinery, a technician will load the feeder table with oversize barstock and program a predetermined number of bars into the machine so that they are fed into the grinding wheels in controlled  batches.

Phase 3: The Grinding Process

During this phase, an abrasive material is applied to both grinding wheels. This material grinds away at the bar to remove a small amount of material from the surface of the bar on each pass to create a precise diameter and finish.

The amount of grinding that is necessary depends on the type of metal being machined, as well as the desired diameter and finish for the bars. Generally, this process can take anywhere from several seconds to several minutes depending on the size and complexity of the starting stock.. The bars may require several passes through the centerless grinding machine to achieve the final dimension and tolerance.

Phase 4: Quality Control

Once the grinding has been completed, it’s important to double-check each bar for dimensional accuracy and surface quality. This includes measuring each bar with precision instruments, such as calipers or micrometers, to ensure they meet the desired specifications.

Additionally, your centerless ground bar supplier in Atlanta, Georgia should also perform visual inspections to check for any irregularities in surface finish or other imperfections that could impact the performance of the bar.

Phase 5: Packaging

The final step in producing centerless ground bars is the packaging. Surface finish and straightness are critical and so the bars need to be protected during transportation. This involves carefully packing the bars into wooden boxes or other rigid containers that can be shipped to the customer without damage. It’s also important to ensure that each box is properly labeled and organized so that there are no delays in delivery.

Why Should You Work with a Precision Ground Bar Supplier?

Working with a reputable precision ground bar supplier in Atlanta, Georgia can be beneficial for manufacturers in a wide range of industries. An experienced supplier will have the expertise and experience necessary to produce high-quality round bars that meet your exact specifications.

Additionally, professionals typically use advanced machinery and technologies to ensure accuracy and efficiency during production. They also provide comprehensive quality control services to ensure that each batch is error-free.

Looking for the Best Precision Ground Bar Supplier in Atlanta, Georgia?

Are you currently in the market for centerless ground bars? If so, and if you’re ready to partner with the best centerless ground bar supplier in Atlanta, Georgia, Banner Commercial is the company to call. We have the experience and technology necessary to produce high-quality bars that meet your exact specifications.

Contact us today at (800) 323-9732 to learn more about our process.