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.
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
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
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
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 HCW Grade
Engineered for soft metals such as aluminum, zinc, and silver in vibratory and barrel tumbling and high energy systems.
Size
Finishing Factor
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
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 HC Grade
Ideal for sterling silver and titanium in standard and high energy tumblers. Also good for medical and dental parts.
Size
Finishing Factor
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
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 HW Grade
Used on steel and stainless steel parts in high energy tumblers.
Size
Finishing Factor
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
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 GC Grade
Typically used on hard metals such as steel and stainless steel to buff and clean after polishing.
Size
Finishing Factor
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
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 J Grade
Used in high energy tumblers and standard tumbler typically for jewelry applications.
Size
Finishing Factor
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
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 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.
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)