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Grooved Rods

Grooved Rods

Grooved Metering Rods

Buschman first developed grooved metering rods in 1977 and today is the global leader in grooved rod engineering and manufacturing.

Also known as rollformed rods and threaded rods, a grooved metering rod is a stainless steel rod rolled through a set of dies to form a thread into the rod surface. Paper mills and converting mills use grooved metering rods to coat starches, pigments, adhesives and other coatings onto paper, films, foils, cardboard, and other web surfaces.

Threads can be created to conform to many profiles and customized to optimize the coating process, thus allowing for more precise and cost-effective metering than that of wire-wound rods.

The unmatched precision of Buschman’s grooved metering rods ensures consistent quality, stability, and long rod life.

Our grooved metering rods are rollformed using the finest stainless steel for the most demanding applications. Thread profiles are custom-engineered for your machines and coating applications. Buschman dies are the most accurate in the world, to tolerances of millionths of an inch. Our proprietary in-house manufacturing process renders a superior grooved coating rod that consistently performs to perfection, even for coatings with a high percentage of solids.

Buschman offers more than 28+ thread profiles, the most of any supplier in the industry. Our engineers can create a customized thread profile specifically for your application, optimized for superior performance and reduced costs in your coating operation.

Buschman has developed easy-to-use rod coating calculators as a starting point for determining the correct rod size for your application. For true optimization, we strongly advise customers to work directly with us to determine the best size and profile.

Buschman’s Exclusive Rod Certification

Buschman grooved coating rods are certified to meet our quality standards. Every grooved rod we ship goes through more than 30 quality checks. We digitally scan thread accuracy during thread forming and chrome plating at sub-nanometer resolution to measure thread size and shape. You can be sure your metering rods will perform with precision.

Why Leading Paper Mills and Converting Mills Trust Buschman Grooved Metering Rods

  • Over 28+ different thread profiles plus custom-designed thread profiles tailored to your specific application
  • Consistent coating coverage that reduces rod lines, streaks, and defects, and can even help decrease coating consumption
  • Precision manufactured from stainless steel rods with hard chrome coating to ensure longer rod life
  • 100% input and output inspections for quality and consistency, rod after rod
  • Service you can count on 24 hours a day, 7 days a week
Applications Specifications
Sizer / Starch Presses Material: Stainless steel
Corrugated Coating Presses Diameter: 6.35 mm – 38 mm (0.25-1.5in)
Adhesives for labels, tapes & Decals Lengths: Up to 11 meters (456″); for longer lengths, contact us at +1 216 431 6633
Glues and clays for papers, films & foils Thread Size: Custom engineered for customer application
Pre-coat, base coat & top coat Thread Shape: Custom engineered for customer application
Hot stamp foils & wax Coating: Hard chrome 0.0076 mm – 0.075 mm (0.0003 – 0.0030in)
Other specialty & custom coating applications Special ends: All special end configurations available

Top-Quality PU and PE Rod Holders

Buschman rod holders are precision manufactured to give the rod a more uniform and consistent fit along the entire length of the holder. Our rod holders reduce rod vibration, increase rod and holder life, and promote a more uniform coating. We manufacture rod holders from Hot Cast Polyurethane (PU) and UHMW Polyethylene (PE).

How to Order

Our engineering team will work with you to customize long-lasting metering rods for your application. Call us or use our online form to request a quote.

Call us at +1 216 431 6633


Consistent Quality

“Consistent quality is the number one requirement for me and that’s what Buschman delivers.”

Senior Manager
Multinational Paper Mill in Australia

Buschman Delivers Consistent Quality

“It’s all about the quality of the rod we’re using to meter the product onto the paper. Without the proper rod application, your coating isn’t going to lay properly. Buschman has a quality product that performs the way it’s supposed to and they get it to us when we need it. They consistently meet all our expectations.”

Coated Products Manager
International Packaging Paper Producer

Top Ratings for Quality Products & Service

“Since we’ve opened the doors here, we’ve worked and had a great partnership with Buschman. They are a very highly reputable company and we’re proof of that as a happy customer. We have a lot of trust and faith in Buschman, so we just give them gold stars.”

Production Manager
Large Multinational Packaging Paper Plant

Trusted for Superior Quality & Service

“The number one reason we work with Buschman is the product quality. The second reason is service. If we are running low on product, they’ll turn the world upside down to get us what we need. Buschman delivers product performance and customer service.”

Coated Products Manager
Prominent Packaging Paper Producer in Northern US

Quality, Performance & Responsiveness

“Buschman’s service is outstanding. You don’t find that anymore. If we need something custom tweaked through Buschman, they’re more than willing to sit down with us and do so. They have quality, performance, and great delivery time and they’re very responsive to our needs. They go above and beyond. They’re first class.”

Coating Manager
Leading U.S. Packaging Paper Plant

The Supplier of Choice for Coating Rods

“The quality of Buschman’s products is excellent. In the ten years we’ve been purchasing coating rods from them, we’ve had maybe two or three issues and they are minor issues. For the number of coating rods we purchase, that’s incredible. Their quality has been so high and they work so well with us that we don’t even consider looking at other vendors for our coating rod needs.”

Purchasing Manager
Leading Packaging Paper Producer in Southern US

Going Above & Beyond for Customers

“We’ve used Buschman for well over ten years. Buschman goes above and beyond: The quality of materials, the finished goods, the on-time deliveries. They go out of their way to get us the product we need.”

Coating Manager
Large Converter in Northern US