Banner Commercial

Banner Commercial For over 50 years, Banner Commercial has been a premier supplier of precision ground bar, centerless grinding, turning, and straightening services.

We are an ISO 9001 certified supplier to various commercial industries. Contact us to request a quote. Banner Commercial is an ISO 9001 certified metal supplier to various commercial industries. For over 50 years, we have been a premier supplier of precision ground bar, centerless grinding, turning, and straightening services. Our facilities encompass over 200,000 square feet of production floor s

pace, and contain over 8 million lbs. of carbon steel, stainless steel, brass, aluminum, titanium, alloy, and heat treated bar. Banner Commercial delivers custom tailored and complete supply chain solutions for raw material and value-added services to OEMs, Contract Manufacturers, Precision Machine Shops, and Regional Service Centers serving the commercial and industrial industries. Contact us today to request a quote.

Automotive components rely on stainless steel ground bar for long service life because they need corrosion resistance an...
05/26/2026

Automotive components rely on stainless steel ground bar for long service life because they need corrosion resistance and repeatable machinability from lot to lot.


Banner Commercial’s precision ground bar and value-added services help keep cycle times predictable and quality consistent


Check stainless ground bar availability and request a quote at https://bargrind.com/

SBQ bar (Specialty Bar Quality) matters for precision machining because as CNC work pushes tighter tolerances, starting ...
05/19/2026

SBQ bar (Specialty Bar Quality) matters for precision machining because as CNC work pushes tighter tolerances, starting material affects how consistently you can hold diameter tolerance and surface requirements.


Banner Commercial supplies Specialty Bar Quality (SBQ) materials and supports shops with turning, grinding, and straightening to meet demanding requirements for precision machine shop applications.


Submit your SBQ grade/size/tolerance needs for review at https://bargrind.com/

Hydraulic cylinders and heavy equipment pins often specify 4140 precision ground bar because variation can impact motion...
05/12/2026

Hydraulic cylinders and heavy equipment pins often specify 4140 precision ground bar because variation can impact motion and wear—so manufacturers choose precision ground alloy steel (especially 4140) to support straightness, consistent diameters, and smoother motion in industrial hydraulics.


Banner Commercial provides precision ground bar, plus centerless grinding and straightening services that help reduce scrap and speed machining.


View 4140 precision ground bar capabilities and request a quote at https://bargrind.com/


In electric motors and power transmission, rotating parts demand consistency—especially for fit, balance, and wear surfa...
05/05/2026

In electric motors and power transmission, rotating parts demand consistency—especially for fit, balance, and wear surfaces. Banner Commercial provides precision ground rounds plus material identification and traceability, supporting manufacturers who want fewer surprises on the shop floor.

👉 Request a Quote: https://bargrind.com/contact-us/

Automotive components built for long service life often depend on stainless steel ground bar for corrosion resistance an...
04/28/2026

Automotive components built for long service life often depend on stainless steel ground bar for corrosion resistance and repeatable machinability. Banner Commercial’s precision ground bar and value-added services help keep cycle times predictable and quality consistent from lot to lot.

👉 Request a Quote: https://bargrind.com/contact-us/

As CNC machining keeps pushing tolerance limits, starting material matters. Banner Commercial supplies specialty bar qua...
04/21/2026

As CNC machining keeps pushing tolerance limits, starting material matters. Banner Commercial supplies specialty bar quality (SBQ) materials and supports shops with turning, grinding, and straightening to hit demanding diameter tolerance and surface requirements for precision machine shop applications.

👉 Request a Quote: https://bargrind.com/contact-us/

Hydraulic cylinders and heavy equipment pins don’t forgive variation. That’s why manufacturers often specify precision g...
04/14/2026

Hydraulic cylinders and heavy equipment pins don’t forgive variation. That’s why manufacturers often specify precision ground alloy steel bar—especially 4140—to support straightness, consistent diameters, and smoother motion in industrial hydraulics. Banner Commercial delivers precision ground bar, centerless grinding, and straightening services that help reduce scrap and speed machining.

👉 Request a Quote: https://bargrind.com/contact-us/

When industrial OEMs need strength without excess weight, aluminum bar is a natural choice. Banner Commercial carries al...
04/07/2026

When industrial OEMs need strength without excess weight, aluminum bar is a natural choice. Banner Commercial carries aluminum grades such as 6061 and 7075 and supplies material in multiple product forms — including bar, shaped, flat, and profile products — to support a range of industrial equipment applications. Paired with value‑added processing and a focus on dimensional control, our aluminum offerings help OEMs balance lightweight performance with dependable machining. Explore our aluminum capabilities and connect with our team: https://bargrind.com/contact-us/



#6061 #7075

In food processing environments, material performance and cleanliness go hand in hand. Banner Commercial stocks stainles...
03/31/2026

In food processing environments, material performance and cleanliness go hand in hand. Banner Commercial stocks stainless bar including 304/304L, 316/316L, and 17‑4 PH for components that must deliver corrosion resistance and strength in washdown and hygienic conditions. Our controlled bar processing, traceability, and non‑destructive testing (NDT) help support quality-focused manufacturing where compliance and consistency matter. If your food processing lines depend on stainless bar that matches specification and schedule, Banner Commercial is ready to help. Request support for your next build: https://bargrind.com/contact-us/



#304 #316

Heavy equipment gears and powertrain components live in high-stress environments — which is why OEMs rely on 4140 and 43...
03/24/2026

Heavy equipment gears and powertrain components live in high-stress environments — which is why OEMs rely on 4140 and 4340 alloy steel for strength and fatigue resistance. Banner Commercial supports these builds with alloy bar processed through centerless grinding, turning, and straightening, so your material arrives ready for precision machining and predictable performance in demanding industrial applications. From gears to drive shafts, our goal is simple: help heavy equipment manufacturers tighten tolerances and shorten lead times with value-added services that fit your production flow. Talk with our team or request a quote: https://bargrind.com/contact-us/



#4140 #4340

Address

494 Lies Road E, Suite BC
Carol Stream, IL
60188

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+18003239732

Website

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