Obsidian Manufacturing Industries, Inc.

5015 28th Avenue

Rockford, IL  61109

815-962-8700

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Flat Surface Grinding Services

Machine Bases  |  Blade Sharpening  |  Flat Ways  |  Vee Ways  |  Angle Ways  |  Dovetail Slides  |  Bars |  Steel Plate  |  Castings - all kinds  |  Steel Frames  |  Mill Tables  |  Gears (flat sides)  |  Bolts (heads & ends)  |  Motor Heads  |  Castings from 1 lb. to 16,000 lbs. 

We offer the finest quality surface grinding work at competitive pricing.  Our operators have over 50 years of combined grinding experience with our machines.  They understand that quick turn-around times are crucial to our customers.  Their skilled grinding craftsmanship provide excellent quality finishes.  For special applications, our operators will work one on one with customers to meet their specific needs. 

Machines and Capacities

Mattison Precision Horizontal 12" x 48"

Mattison Precision Horizontal 42" x 115" x 31" High

Mattison Rotary 84" x 48" High - Swings 125", Reach Center 114"/115"

Mattison Rotary 54" x 24" High - Swings 60"

Hanchett Rotary 36" x 18"

Arter Model A-1-12"

Grinding Consultation Available Upon Request