Premium Treated Media

The line of Premium Treated Tumbling Media is formulated to produce superior results without the need for water or added compounds. This process is called Dry Tumbling. These media are bases of Walnut Shell Grit, Corn Cob Grit, and others with added abrasives, lubricants, binders, and polishing agents. Please contact us if you need a non-standard stock item as these are sometimes readily available and/or can be produced quickly.

Description
Specifications
Additional information
Comparison Photos

Premium Treated Media

The line of Premium Treated Tumbling Media for barrel & vibratory finishing equipment is formulated to produce superior results without the need for water or added compounds added to the process. This process is called Dry Tumbling. These media are bases of Walnut Shell Grit, Corn Cob Grit, and others with added abrasives, lubricants, binders, and polishing agents.

Benefits

No Water
Near-Mirror Surface Finishing
Formulated and Engineered Products
Abrasive with Minimal Edge Rounding
Multiple Grit/Mesh Sizes to Fit Your Needs
Abrasive Cutting to High Polishing Formulations
Custom Designed Formulations Available
Available for All Metal and Plastic Materials
Light Tumbling Action for Fragile Parts

Applications

High polishing on metals and plastics
Light deburring
Dry tumbling
Tumbling 3D printed parts (additive manufacturing)
Uniform surface finishes
Fragile part tumbling

Specifications

Premium Treated Tumbling Media Specifications

Pegco GBW Grade

Ideal for hard metals such as Steel and Stainless Steel in vibratory and barrel tumbling.

Size	Finishing Factor
Size	0.5	1.0	1.1	2.0	2.5	3.0	3.5	3.9	4.0
X-Coarse	NS	NS	NS	NS	NS	NS	NS	NS	NS
Coarse	NS	NS	S	NS	NS	NS	NS	S	NS
Medium	NS	NS	NS	NS	S	NS	NS	NS	NS
Fine	NS	NS	NS	NS	NS	NS	NS	S	NS
X-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS
XX-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS
XXX-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS

S = Standard stock item
NS = Non-Standard stock item (Due to production scheduling, this item may be in stock – Please Contact Us For Availability – If not in stock, a minimum order of 500 lbs is required for manufacture)

Pegco HSC Grade

Designed for all metals. Works best for polishing applications in high energy tumbling systems.

Size	Finishing Factor
Size	0.5	1.0	1.1	2.0	2.5	3.0	3.5	3.9	4.0
Coarse	NS	NS	NS	NS	NS	NS	NS	NS	NS
Medium	NS	NS	NS	NS	NS	NS	NS	NS	NS
Fine	NS	NS	NS	NS	NS	NS	NS	S	NS

Pegco HCW Grade

Engineered for soft metals such as aluminum, zinc, and silver in vibratory and barrel tumbling and high energy systems.

Size	Finishing Factor
Size	0.5	1.0	1.1	2.0	2.5	3.0	3.5	3.9	4.0
X-Coarse	NS	NS	NS	NS	NS	NS	NS	NS	NS
Coarse	NS	NS	NS	NS	NS	NS	NS	NS	NS
Medium	NS	NS	S	NS	NS	NS	NS	NS	NS
Fine	NS	NS	NS	NS	NS	NS	NS	NS	S
X-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS
XX-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS
XXX-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS

Pegco HC Grade

Ideal for sterling silver and titanium in standard and high energy tumblers. Also good for medical and dental parts.

Size	Finishing Factor
Size	0.5	1.0	1.1	2.0	2.5	3.0	3.5	3.9	4.0
X-Coarse	NS	NS	NS	NS	NS	NS	NS	NS	NS
Coarse	NS	NS	NS	NS	NS	S	S	NS	NS
Medium	NS	NS	NS	NS	NS	NS	NS	NS	NS
Fine	NS	NS	NS	NS	NS	S	S	NS	S

Pegco HW Grade

Used on steel and stainless steel parts in high energy tumblers.

Size	Finishing Factor
Size	0.5	1.0	1.1	2.0	2.5	3.0	3.5	3.9	4.0
X-Coarse	NS	NS	NS	NS	NS	NS	NS	NS	NS
Coarse	NS	NS	NS	NS	NS	NS	NS	NS	NS
Medium	NS	NS	NS	NS	NS	NS	NS	NS	NS
Fine	NS	NS	NS	NS	NS	NS	NS	NS	S
X-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS
XX-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS
XXX-Fine	NS	NS	NS	NS	NS	NS	NS	NS	NS

Pegco GC Grade

Typically used on hard metals such as steel and stainless steel to buff and clean after polishing.

Size	Finishing Factor
Size	0.5	1.0	1.1	2.0	2.5	3.0	3.5	3.9	4.0
X-Coarse	NS	NS	NS	NS	NS	NS	NS	NS	NS
Coarse	NS	NS	NS	NS	NS	NS	S	NS	NS
Medium	NS	NS	NS	NS	NS	NS	S	NS	NS
Fine	NS	NS	NS	NS	NS	NS	S	NS	NS

Pegco J Grade

Used in high energy tumblers and standard tumbler typically for jewelry applications.

Size	Finishing Factor
Size	0.5	1.0	1.1	2.0	2.5	3.0	3.5	3.9	4.0
Coarse	S	NS	NS	NS	NS	NS	NS	NS	NS
Fine	NS	S	NS	S	NS	NS	NS	NS	S

Pegco Nut Grades

Various grades of Premium Treated Tumbling Media for specific applications and parts.

Grade	Description
Pegnut Red	Formulated for polishing metals such as brass, copper, bronze, and gold. The Medium grade is most common. Used in standard barrel and vibratory tumblers.
Pegnut Green	Originally designed for medical devices (titanium and cobalt steel prosthetics). Ideal for silver and white metal jewelry. Medium grade is standard.
BriteNut XA	Designed for use with plastic parts to provide a high shine. The Medium grade is most common. Used in standard barrel and vibratory tumblers.
W-36	Used in combination with Ceramic Media to provide aggressive cutting on hard metals. Works best in barrel tumblers but can be used in a vibratory system.

Additional Information

Selected Package Gross Weight	1000 lbs

Pegco Type
Media Grade
Package Size	Clear

Premium Treated Media

July 30, 2019

Premium Treated Media

Premium Treated Media

Premium Treated Media

Benefits

Applications

Specifications

Premium Treated Tumbling Media Specifications

Pegco GBW Grade

Size

Finishing Factor

Pegco HSC Grade

Size

Finishing Factor

Pegco HCW Grade

Size

Finishing Factor

Pegco HC Grade

Size

Finishing Factor

Pegco HW Grade

Size

Finishing Factor

Pegco GC Grade

Size

Finishing Factor

Pegco J Grade

Size

Finishing Factor

Pegco Nut Grades

Grade

Description

Additional Information

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