11 best tumbling media for aluminum

Product description

Plastic resin impregnated with fine silica provides a light cutting and deburring action.



For use on soft metals, aluminum or brass.



Often used as a first cut-down step for delicate and intricate parts, for castings, and for removing sharp edges on stampings.



Prepares for pre-plate, pre-anodize, or decorative polishing



Leaves a smooth, matte finish.



Use the included mesh bag to wash clean your media after use. The mesh bag also serves as a drying device for the cleaned media. Just hang to dry and store until next use. Clean media will offer consistent results.

• Shape: pyramid, 1/4" x 1/4” x 1/4” , Density: 60 lbs. per cu. ft.
• Approximately 320 grit, 3:1 Ratio of Media to Material
• Use liquid compounds or water in tumbling and vibrating machines.
• Clean, Dry and Store in the included Mesh Bag
• 18 lb Vibe Tumbler uses 7-8lbs of media, 5 lb Vibe Tumbler uses 1.5-2.5 lbs of media.

User questions & answers

Product features

Practice without disturbing others

Every SILENT Brass system starts with an advanced Practice Mute that reduces the sound that comes out of your horn to a whisper. You can play at night, in a dorm room or apartment, or even in a hotel without disturbing your family or neighbors.

Hear yourself playing

A microphone inside the mute captures your sound and sends it to the Personal Studio receiver. Plug in the included earbuds or your own favorite headphones to hear yourself at full volume.

Amazingly natural sound

Yamaha added digital technology to make the sound you hear in the headphones incredibly realistic, just like what you'd expect if you were playing normally. It's so natural you might even forget you're using a mute at all!

Play along with your favorite songs

Use the AUX IN jack on the Personal Studio to connect an audio player, smartphone, or other music source. You'll hear both your own playing and the music through the headphones - perfect for playing along with recordings or "minus one" practice aids.

Practice without disturbing others

Every SILENT Brass system starts with an advanced Practice Mute that reduces the sound that comes out of your horn to a whisper. You can play at night, in a dorm room or apartment, or even in a hotel without disturbing your family or neighbors.

Hear yourself playing

A microphone inside the mute captures your sound and sends it to the Personal Studio receiver. Plug in the included earbuds or your own favorite headphones to hear yourself at full volume.

Amazingly natural sound

Yamaha added digital technology to make the sound you hear in the headphones incredibly realistic, just like what you'd expect if you were playing normally. It's so natural you might even forget you're using a mute at all!

Play along with your favorite songs

Use the AUX IN jack on the Personal Studio to connect an audio player, smartphone, or other music source. You'll hear both your own playing and the music through the headphones - perfect for playing along with recordings or "minus one" practice aids.

Product description

Plastic resin impregnated with fine silica provides a light cutting and deburring action.



For use on soft metals, aluminum or brass.



Often used as a first cut-down step for delicate and intricate parts, for castings, and for removing sharp edges on stampings.



Prepares for pre-plate, pre-anodize, or decorative polishing



Leaves a smooth, matte finish.



Use the included mesh bag to wash clean your media after use. The mesh bag also serves as a drying device for the cleaned media. Just hang to dry and store until next use. Clean media will offer consistent results.



Lego Character Not Included - For Scale Only.

User questions & answers

Product description

Non-abrasive Porcelain Ceramic Rock Tumbling Filler. Angle Cut Cylinders 3/16" diameter x 3/8" length. Works to protect rocks and provide cushion space in tumbling process. Reusable through all stages of tumbling with simple rinse between stages. For polishing applications, allow the media to run alone until the edges have smoothed. Packaged in a slightly oversized double track sealed reusable bag for safe storage and continued use.

• Non-Abrasive Porcelain Ceramic Rock Tumbling Filler - Angle Cut Cylinders 3/16" diameter x 3/8" length.
• Works to protect rocks and provide cushion space in tumbling process.
• Reusable through all stages of tumbling with simple rinse between stages.
• For polishing applications, allow the media to run alone until the edges have smoothed.
• Packaged in a slightly oversized double track sealed reusable bag for safe storage and continued use.

User questions & answers

Product description

What's Ceramic Grinding Media

Ceramic grinding media is often called as ceramic pellets,vibratory abrasive media,tumbling stones, ceramic chips, deburring media,mass finishing media, rock tumbling machine stone or vibratory finishing media. Generally,it can be divided into two types: ceramic deburring media and porcelain polishing media. The deburring media is responsible for the different mass finishing processes like deburring,radiusing, degreasing, deflashing, descaling, surface smoothening, and cleaning of parts.The porcelain media is responsible for polishing,burnishing,cleaning,smoothening of parts.

Features of our ceramic grinding media

This durable ceramic media with shape of straight cut triangle is excellent for cutting, deburring,finishing and improving the surface of parts. It contains various levels of abrasive material depending on the application.We supply this tumbling abrasive media for general purpose in a wide variety of sizes with the abrasive grain of #80 + #120 grit.

Our ceramic grinding media can be worked on the field as below:

  Metal hardware parts fittings deburring,deflashing and radiusing.

  3D printed parts surface smoothing,cleaning.

  Medical device parts deburring,deflashing and radiusing.

  Die casting parts deburring,deflashing and radiusing.

  Laser cutting parts deburring,radiusing,smoothing.

Packing and Weight

Packed in carton, 50 lbs gross weight per carton.

On polywood pellet per piece in bulk supply.

• ⭐ Durable ceramic grinding media with aluminum oxide abrasive of #80+#120 grit
• ⭐ Density: 80-90 lb/cu.ft,straight cut triangle 6x6mm
• ⭐ Working in Vibratory bowl,centrifugal disc,barrel,tumbling barrel machine
• ⭐ For general purpose deburring, grinding,deflashing, radiusing, smoothing, cleaning
• ⭐ Source of manufacturer of ceramic grinding media,in bulk supply

Product description

Stainless steel pins never wear out and will last a lifetime. These are perfect for use in a wet tumbler for polishing brass, steel, aluminum, or titanium. Most commonly used for brass cartridge cleaning, the .047" diameter prevents the pins from getting stuck side by side in flash holes but they will pass through all flash holes one at a time. Fill your tumbler with pins and brass but be sure to leave space to allow tumbling action. Add clean hot water until the tumbler is nearly full. Cold water will work just fine but hot water cleans faster. Add approximately ½ tablespoon Dawn liquid dish detergent (or comparable brand) per 1 lb. of brass. The amount of detergent used is not critical but must be enough to ensure good suds remain at the end of the cycle. Run until clean which is typically between 30 minutes and 2 hours. When first starting out check every 15 minutes to see if additional cleaning is necessary. If you don't see suds after you open your tumbler either you are not using enough soap or the soap is breaking down from running too long. Optional: To achieve the best possible shine add a tablespoon of Lemhi Shine dishwasher detergent powder per 1 quart of water. The active ingredient in Lemhi Shine is citric acid which dissolves zinc. Remove, rinse, and separate the brass immediately upon stopping the tumbler. As soon as the agitation stops the dirt will start to stick back on the brass so don't leave it sitting idle in dirty water. Shake dry the brass in a colander and then pour them into the center of a large towel laid out flat. Gather the corners of the towel and roll them around to remove as much water as possible. From there air dry them several days on plastic trays with an occasional turn.

• The highest quality stainless steel produced and cut in Germany
• 0.047" Diameter (1.1938mm)
• 0.255" Length (6.477mm)
• Manufactured from extremely tough 302/304 stainless steel so the pins will last for thousands of cleanings
• Package includes 25 pounds of reusable precision cut pins for use in rotary or magnetic tumblers

Product description

Product Specifications: *Manufacture: Manufactured in USA *Model: Aluminuim Oxide 80 Grit

• Brown Fused Aluminum Oxide is a brown aluminum oxide obtained by a reduction fusion of high quality bauxites in electric arc furnaces.
• Very Tough: Hardness Rating of 9 on the Mohs scale
• It is therefore perfect as a rock tumbling media.
• Can be used in Vibratory or Rotary Tumbler equipment.
• All tumbling medias are new, not reclaimed.

• STAGE 4 OF 4 STEP ROCK TUMBLING MEDIA GRIT – Two 1/2 lb. jars of Stage 4 media grit for transforming rocks and gemstones into beautiful treasures. Contains a total of 1 lb. Final Polish 1200 Fine Aluminum Grit.
• COMPATIBLE WITH ALL TUMBLERS - Our universal grit is designed for any rock tumbler. Elenco, Lortone, National Geographic, Smithsonian, Thumler and more!
• SUPERIOR PACKAGING - Packaged in durable, re-usable jars to prevent messy spills and to safely store unused product for later.
• MADE IN THE USA – Polly Plastics is an American company with American sourced materials for superior quality control and reduced risk of contaminants.
• BEGINNER FRIENDLY - 100% satisfaction guarantee on all our products.

User questions & answers

Product description

Product Specifications: *Manufacture: Manufactured in USA *Model: Aluminuim Oxide 600 Grit

Product description

Product Specifications: *Manufacture: Manufactured in USA *Model: Aluminuim Oxide 1200 Grit

• White fused aluminum oxide is a very high purity oxide, and thus recommended when contamination is an issue to be considered.
• It is obtained from the fusion of high purity calcined alumina in electric arc furnaces.
• It is therefore perfect as a rock tumbling media.
• Can be used in Vibratory or Rotary Tumbler equipment.
• All tumbling medias are new, not reclaimed.

Product description

Efficient, long-life aluminum oxide in a hard ceramic bond for general purpose polishing, light deburring and smoothing of rough castings.



This media is made up of 1 inch angle-cut tri-stars and provides a high luster finish. Ceramic meida works well on both soft and hard metals, aluminum to stainless steel.



Choose the shape that best matches the contours of your part and a size that’s large enough not to lodge in recesses and holes.



49.6% silicon dioxide (SiO2); 40% aluminum oxide (Al2O3); 5.5% potassium oxide (K2O); 2% sodium oxide (Na2O); 0.4% iron oxide (Fe2O3); 2.5% calcium oxide (CaO)

• Shape: Angle-Cut Tri Star, 1" , Density: 90 lbs. per cu. ft.
• For Light Deburring and Polish, 3:1 Ratio of Media to Material
• Use liquid compounds or water in tumbling and vibrating machines.
• Clean, Dry and Store in the included Mesh Bag
• 18 lb Vibe Tumbler uses 7-8lbs of media, 5 lb Vibe Tumbler uses 1.5-2.5 lbs of media.

Product description

Grit Kit for 3 pound Rock Tumblers



3 ounces of 60/90 Graded Silicon Carbide Grit (Step 1)

3 ounces of 120/220 Graded Silicon Carbide Grit (Step 2)

1.5 ounces of 500/600 Graded Silicon Carbide Grit (Step 3)

1.5 ounces of 1200 Aluminum Oxide Polish (Step 4)

3 ounces of Plastic Pellets

Comes with FREE Polishing Instructions



We use a superior blend of Green/Black Silicon Carbide for our first stage. Green Silicon Carbide is of higher purity than Black Silicon Carbide, therefore it will work faster than Black Silicon Carbide because it's harder and stays sharper longer.



MJR Tumblers offers a large selection of heavy duty tumblers, a full range of silicon carbide grit (50, 80, 60/90, 500, 600, 500/600 and 1500) and aluminum oxide (400/600 and 1200). These can be purchased individually in any weight denomination that fits your needs or we have pre-made kits for your specific size tumbler. We have kits available with or without plastic pellets.

• 3 ounces of 60/90 Graded Silicon Carbide Grit (Step 1)
• 3 ounces of 120/220 Graded Silicon Carbide Grit (Step 2)
• 1.5 ounces of 500/600 Graded Silicon Carbide Grit (Step 3)
• 1.5 ounces of 1200 Aluminum Oxide Polish (Step 4)
• 3 ounces of Plastic Pellets

User questions & answers