EST. 1950 · MONTEBELLO, CA

Big parts.
Ground flat.

Blanchard, surface and abrasive belt grinding for everything from .005″ non-ferrous sheet to 20-ton forgings and weldments.

AS9100 and ISO certified · Montebello & Santa Fe Springs, CA

Years in business
75+
Max load capacity
20 tons
Min. material thickness
.005″
Finish or better
No. 4

01 / Capabilities

Four processes.
One shop floor.

Our shop is built for range: non-ferrous stock as thin as .005″ up to heavy forgings and weldments of 20 tons, with the vacuum and magnetic workholding to match.

Blanchard rotary grinder with a large round plate on the chuck
01

Rotary grinding

Blanchard tables from 66″ to 120″ (144″ single-cut) and a Mattison with a 168″ magnetic table and 210″ swing.

Long-bed Mattison surface grinder
02

Surface grinding

Mattison surface grinders to 192″ long and a Waldrich-Coburg way grinder taking 75″H × 86″W × 300″L at 30,000 lb.

Wide abrasive belt grinder with plate on the conveyor
03

Abrasive belt grinding

A 90″ × 236″ full-vacuum IMEAS plus Timesaver lines. No. 4 finish or better on stock from .005″.

Titan planer mill with long table
04

Milling & straightening

Titan planer mills to 23′ long, plus a 200-ton straightening press and a 96″ × 240″ band saw to prep stock before grinding.

Vacuum lifter moving a large stainless plate across the shop

02 / Large work

Built for the jobs others can't take.

Overhead cranes rated to 20 tons, vacuum lifters and long-bed machines let us take full plates and heavy weldments as they are. Vacuum chucks hold the non-magnetic material a magnetic chuck can't.

  • Sheet and plate from .005″ thick
  • Weldments, forgings and castings to 20 tons
  • Machine ways: veeways, dovetails, under-lips
  • Edge and end grinding to 26″H × 200″L
  • Straightening on a 200-ton hydraulic press
Max rotary swing
210″
Max surface length
300″
Max part weight
20 tons

03 / Equipment

The iron on
our floor.

Seventy-five years of reinvesting in the machines our customers depend on. The main systems on our floor:

Blanchard machine
Blanchard Rotary grinders 66″–120″ magnetic tables, 144″ single-cut, 60″ under wheel
Mattison machine
Mattison Rotary, face & surface 168″ table, 210″ swing, 50″ under wheel, parts to 20 tons
IMEAS machine
IMEAS Abrasive belt grinder 90″W × 236″L full vacuum chuck, .005″–24″ thick
Timesaver 81 machine
Timesaver 81 Precision belt grinders Vacuum-table and twin-head roller-table lines, to 62″ × 236″
Favretto machine
Favretto Multi-head grinder Veeways, dovetails, under-lips to 48″H × 43″W × 163″L
Waldrich-Coburg machine
Waldrich-Coburg Way & surface grinder 75″H × 86″W × 300″L, 30,000-lb load
Titan machine
Titan Planer mills Dual vertical spindles + 65-HP side spindle, 70″H × 116″W × 23′L
Okamoto machine NEW 2026–27
Okamoto Two new surface grinders Customized, arriving late 2026 and early 2027

04 / Materials & Industries

Every material. Every time.

Materials we grind

  • Ferrous & non-ferrous steel
  • Stainless, magnetic & non-mag
  • Aluminum
  • Inconel & superalloys
  • Titanium
  • Plastics
  • Forgings & castings
  • Weldments

Industries we serve

  • Aerospace & aircraft
  • Steel & metal distribution
  • Machine rebuilding
  • Medical
  • Industrial repair
  • Architectural finishes
  • Food service
  • Construction
Schaffer Grinding building exterior in Montebello
Our Montebello facility, home since 1950

05 / About

75 years in Montebello.

Founded in 1950 in Montebello, California, Schaffer Grinding Co. has spent more than seven decades perfecting Blanchard, surface and abrasive belt grinding for demanding metalworking and industrial customers.

We're still family owned, and still reinvesting: two new customized Okamoto surface grinders arrive in late 2026 and early 2027.

Our California shops in Montebello and Santa Fe Springs are AS9100 and ISO certified.

Overhead view of the shop floor
Overhead cranes and large-capacity grinding on the shop floor

06 / News & Updates

From the shop floor.

All news

Our first updates are coming soon.

Get shop updates by email New equipment, capacity openings and grinding guides. A few emails a year.

07 / Request a quote

Let's grind out your next project.

Tell us the material, size and quantity, and attach a drawing if you have one. Prefer to talk it through? Give us a call.

Montebello, CA HEADQUARTERS 848 S. Maple Ave., Montebello, CA 90640 T 323.724.4476 · F 323.724.2635 AS9100 and ISO certified
Santa Fe Springs, CA SATELLITE FACILITY 8308 Sorensen Ave., Santa Fe Springs, CA 90670 T 323.724.4476 AS9100 and ISO certified
Twinsburg, OH OHIO SHOP · SEPARATELY OPERATED 8470 Chamberlin Road, Twinsburg, OH 44087 T 330.425.1771 · F 330.425.8082 For work in Ohio, please call the Twinsburg shop directly.