Okamoto 820N (1981)
Direct procurement1981 Model

Sell your Okamoto 820N today.

MTE does not act as a broker, nor do we buy on consignment. We buy machinery and assets outright and arrange the pickup.

Make
Okamoto
Model
820N
Year
1981
Category
CNC Grinding Machines
Condition
Used / Surplus
Jason PuuriOwner, Superior Machine & Tool, Inc.Message From MTE Owner

Jason sets final pricing on the machines MTE buys.

Okamoto 820N Specifications

Spindle
Horizontal
Magnetic Chuck Working Surface-L
20" 508 mm
Magnetic Chuck Working Surface-W
8" 203.2 mm
Max Height Under New Wheel
15.6" 396.24 mm
Max Longitudinal Travel
25.59" 649.99 mm
Cross Travel
9.05" 229.87 mm
Cross Feed Handwheel Graduation
0.0004" 0.0102 mm
Vertical Handwheel Graduation
0.00005" 0.0013 mm
Table Longitudinal Feeds Range (Variable)
1 - 83 ft/min. 25.3 m/min.
Max Spindle Speed
6,000 RPM 6,000 RPM
Max Grinding Wheel Diameter
8" 203.2 mm
Max Grinding Wheel Width
1" 25.4 mm
Max Grinding Wheel Hole Diameter
1.25" 31.75 mm
Grinding Wheel Power
3 hp 2.2 kW
Electrics
230/3/60 230/3/60
Dimensions
90" x 65" x 72" 90" x 65" x 72"
Weight
3,500 lbs 3,500 lbs

Do you have a Okamoto 820N to sell?

We are actively seeking a 1981 Okamoto 820N Reciprocating Surface Grinder to enhance our inventory of quality CNC grinding machines. This model is well-regarded for its precision and reliability, making it a sought-after choice for many manufacturing operations. The Okamoto 820N features a horizontal spindle design, enabling efficient grinding processes with a maximum spindle speed of 6,000 RPM. It comes equipped with an 8" x 20" magnetic chuck, providing a stable and secure work surface for various grinding applications. The machine boasts a maximum height under the new wheel of 15.6 inches, and its longitudinal travel reaches up to 25.59 inches, allowing for versatility in handling different workpieces.

With a cross travel of 9.05 inches, operators can achieve precise movements and adjustments. The variable table longitudinal feeds range from 1 to 83 feet per minute, accommodating a wide range of grinding tasks, while the cross feed handwheel graduation of 0.0004 inches ensures meticulous control. This grinder is powered by a robust 3 HP motor, providing the necessary strength for demanding operations. The machine's dimensions are 90" x 65" x 72", and it weighs approximately 3,500 lbs, making it a substantial addition to any workshop. With its durability and advanced features, the Okamoto 820N is an excellent investment for businesses looking to improve their grinding capabilities.

If you have a 1981 Okamoto 820N or any other used CNC machines to sell, contact us today. At Superior Machine Tools, we offer competitive prices and a seamless selling experience. Let us help you unlock the value of your machinery!

Have one to sell?

MTE is the direct buyer, and here is how selling to us works.

Call 517-514-5190
  • Fast Response
  • Fair Offers
  • Hassle-Free Process

Tell us what you’re selling

Send us the make and model and we’ll come back with a cash offer. Most sellers hear from us the same business day.

What happens next

  1. Same business dayWe confirm your details and ask anything we’re missing.
  2. Within 24–48 hoursYou receive a purchase proposal.
  3. On your timelineSigned agreement, then we can arrange rigging & pickup.

We only use your details to value your machine and get back to you. No lists, no resale.