Serving grinder and forestry operators nationwide
American Grinder Supply

Punching wear steel…

American Grinder Supply: Forged for the Work

Custom-cut screens and wear parts for tub and horizontal grinders. One call supplies it all.

Custom-built screensParts for most major grinder makesResponsive personal serviceNationwide shipping

One source The parts that keep you grinding

Spin the drum. Find your part.

Real AGS product photography — drag to rotate, release to snap. Every slot is a category we supply.

Screens
Screens
Custom-cut, any pattern
Tips
Tips
Carbide & hardfaced
Hammers
Hammers
Swing hammers, shafts & pins
Belting
Belting
Conveyor & V-cleated
Chain
Chain
Feed & drag chain
Rollers
Rollers
Machined to fit
Custom Fab
Custom Fab
Your part, reverse-engineered
Your part
Your Part Here
Request a quote
Active slot
Screens

Custom-cut, any pattern

Ask about screens →

Interactive Screen geometry

Choose your cut

The shape and size of your screen holes decide production rate, wear life and final sizing. Pick your conditions: the plate and the recommendation change with you.

SCREEN PLATE · ILLUSTRATIVE PATTERN
ROUND holes

Reliable, stress-crack resistant; consistent end product.

SPEC · ROUND HOLES · 2-3" OPENING · DRY · CLEAN WOOD · GENERAL VOLUME REDUCTION

Approximate output guidance only. Material, moisture, wear, tips, setup, and operating conditions all affect the finished product.

Material flowEducational · not to scale

One call supplies it all Configurator

Build my wear package

What are you running? Pick the machine and the brand: the relevant wear system locks into place.

Machine type

Brand

Wear system

Call AGSTUB GRINDER · MORBARK · 3 COMPONENTS
Drag to rotate · click a part to inspectTUB GRINDER · SCHEMATIC, NOT CAD

Real AGS inventory What we actually ship

On the floor, on the pallet, on its way to your yard

Photos from the AGS workshop. Every image here is a part we built or cut for a real customer — not a stock render.

  • AGS hex-pattern perforated screen plate
    01 — Screens
    Hex · round · square · diamond · rect
  • AGS carbide grinder tips
    02 — Carbide Tips
    For horizontal & tub grinders
  • Plasma-cut hammer blanks on a pallet
    03 — Hammers
    Cut, drilled, ready to fit
  • CNC fabrication close-up
    04 — Custom Fabrication
    Reverse-engineered to your sample
  • Stacked round-hole grinder screens
    05 — Round Screens
    Stress-crack resistant, consistent product
  • Stacked diamond-pattern screens
    06 — Diamond Screens
    Best for wet & fibrous material
  • Curved hex screen section
    07 — Curved Screens
    Arced to your machine's chamber
  • Carbide tips in a crate
    08 — Tips in stock
    Volume quoting available
  • Cleated conveyor belting
    09 — Belting
    Conveyor & V-cleated
  • Chain and slat conveyors
    10 — Chain
    Feed & drag chain
  • Machined rollers
    11 — Rollers
    Machined to fit your machine
  • Diamond screen with HARDOX tag
    12 — Wear Plate / Screens
    HARDOX-grade steel options

Photographs: AGS inventory, August 2026

Request a quote Get the right part faster

The more you send, the faster we quote

Clear photos, measurements, drawings, or part numbers help us identify, source, and quote the correct part on the first call.

Or call (503) 481-8233 — fastest way to a parts specialist

AGS grinder screen measurement form

Screen measurement reference — arc, length, thickness, width, support spacing

Not sure what to measure? Send us a photo of the old part. We can reverse-engineer it from a sample or verified measurements.

The machines we cover

Built for the machines you run

Peterson Pacific · Diamond Z · Morbark · Duratech · CBI · Komptech · Rotochopper · Vermeer, and more. One call supplies it all.

  • Peterson (ASTEC) logoPeterson
  • Morbark logoMorbark
  • Diamond ZDiamond Z
  • Duratech logoDuratech
  • CBI (A Terex Brand) logoCBI
  • Komptech logoKomptech
  • Rotochopper logoRotochopper
  • Vermeer logoVermeer

Find us everywhere One call supplies it all

Call: fastest
Talk with a grinder parts specialist
Facebook
Worksite photos · parts in action
Instagram: @agsonestopshop
Screens · hammers · tips · chain · belts
Google Business
Reviews · hours · directions
Service area
Nationwide shipping
Cut to your machine · fast turnaround on custom orders
Custom-fabricated hammer-mill rotor assembly
Curved perforated grinder screens
Horizontal grinder working in the field
Finished mulch product

25+ years

Tell us the machine.
We'll take it from here.

You don't need another catalog. You need the right part, cut for your machine, built for your material.

Call (503) 481-8233