About Us

At American Grinder Supply, we specialize in top-quality wear parts for tub and horizontal grinders. With over 25 years in the industry, we know uptime is everything—and we build parts that keep you moving.

A man working on a machine in a factory

What We Make

  • Custom grinder screens (premium steel, cut to fit)

  • Hammers

  • Cutterbars / Anvils

  • Wear Plates

  • Tips

  • Hardware
    Plus floor chain, drag chain, and conveyor belting—your one-stop source for grinder and material-handling components.

A man working on a machine in a factory

How We Help

  • Right fit, first time: Custom sizes, precise hole patterns

  • Performance built in: Wear-resistant steel, proven designs.

  • Practical guidance: We’ll help you select hole shape/size based on material, moisture, machine, and target output.

A man working on a machine in a factory

Our Philosophy

We don’t just sell parts—we help you run stronger operations. From daily tip maintenance best practices to selecting screens for specific feedstocks, we’re here to reduce downtime and fuel costs while improving throughput and product consistency.

A man working on a machine in a factory

Proudly Serving

Contractors, mulch and compost producers, biomass operations, land-clearing crews, recycling facilities—and anyone relying on tub or horizontal grinders from brands like Peterson Pacific, Diamond Z, Morbark, Duratech, CBI, Komtech, Rotochopper, Vermeer, WHO, and more. (OEMs listed here are also competitors.)