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Thumler's Rock Tumbler Parts


Click on a tumbler to see a list of available parts.




Rock Tumbler Supplies
Fee mining collecting map
Rock tumbler grit Rock tumbler polish Rock tumbler rough Rock tumbling media Rock tumbler grit Rock tumbler rough Rock tumbling media Rock Tumbling Supplies

Belt for Thumbler's ModelT and MP-1 tumbler

Thumler's Model MP-1 & Model-T Belt


Only $5.99
Replacing the belt on a Thumler's MP-1 and Model-T Tumblers is an easy job that can be done without tools. Just lift the drive shaft with the pulley off of the frame, slip the belt over the pulley, replace the drive shaft and stretch the belt over the motor pulley.
Belt for Thumbler's tumblers

Model A-R1, A-R2, A-R6, A-R12 and Model B Belt


Only $5.99
Replacing the belt on a Thumler's Tumbler is an easy job that can be done without tools. Just lift the drive shaft with the pulley off of the frame, slip the belt over the pulley, replace the drive shaft and stretch the belt over the motor pulley.
Thumler's MP_1 tumbler bearings

Thumler's MP-1 Bearings


Four for $5.99
Thumler's MP-1 bearings are simple to replace. Lift up the shaft slide off the old bearings and put on the new ones.
Thumler's tumbler bearings

Thumler's Tumbler Bearings


Four for $5.99
Thumler's bearings are made of polyethylene. These bearings fit all Thumler's tumblers except for the MP-1 Tumbler.
Thumler's MP-1 drive shaft

Thumler's MP-1 Drive Shaft


Only $10.99
This is a complete drive shaft for Thumler's MP-1 rock tumbler. It comes with all rollers, drive pulley and new bearings.
Thumler's MP-1 idler shaft

Thumler's MP-1 Idler Shaft


Only $4.99
This is a complete idler shaft for Thumler's MP-1 rock tumbler. It comes with all rollers, barrel guides, retainer clips and new bearings.
Thumler's AR1 and A-R6 tumbler drive shaft

Thumler's A-R1, A-R6 and Model-T Drive Shaft


Only $14.99
A replacement drive shaft for Thumler's Model T, A-R1 and A-R6 rotary tumblers. An easy part to replace and it comes with everything already on the shaft.
Thumler's AR1 and AR6 tumbler idler shaft

Thumler's A-R1, A-R6 and Model-T Idler Shaft


Only $8.99
A replacement idler shaft for the Thumler's Model T, A-R1 and A-R6 rotary tumblers. Includes: Shaft, nylon rollers, bearings, barrel guides and retainer clips. This part can be replaced quick and easy without any tools.
Thumler's AR2 and AR12 tumbler drive shaft

Thumler's A-R2 and A-R12 Tumblers Drive Shaft


Only $16.99
A replacement drive shaft for the Thumler's A-R12 and A-R2 rotary tumblers. This is a complete drive shaft with all components needed to get back to tumbling.
Thumler's AR2 and AR12 tumbler idler shaft

Thumler's A-R2 and A-R12 Idler Shaft


Only $9.99
A complete idler shaft for the Thumler's A-R2 and A-R12 rotary tumblers. Simple to replace, pull out the old shaft, snap the new one in place and that is it. Comes with: shaft, rollers, bearings, retainer clips and barrel guides.
Thumler's Model B tumbler drive shaft

Thumler's Model B Drive Shaft


Only $18.99
A replacement drive shaft for the Thumler's Model B rotary tumbler. This is a complete shaft that includes: shaft, rubber rollers, bearings, pulley and retainer clips. It is a simple piece to change without any tools.
Thumler's Model B tumbler idler shaft

Thumler's Model B Tumbler Idler Shaft


Only $12.99
A complete ready to use replacement idler shaft for the Thumler's Model B rotary tumbler. Easy to replace, just lift out the old shaft, snap the new one in place and you are finished. Includes: shaft, retainer rings, bearings,nylon rollers and barrel guides.
Rubber roller for Thumlers tumbler's drive shaft

Thumler's Rubber Roller


2 for $3.50
3 for $4.50
These rubber rollers for the drive shaft are what give the barrel traction and keep it turning to tumble the rocks inside. Replace worn rollers for optimum tumbling action. A set of two rubber rollers is needed for the A-R1 and A-R6 tumblers while a set of three rollers is needed for the A-R2 and A-R12 tumblers.
Nylon rollers for Thumlers tumbler's idler shaft

Thumler's Tumbler Nylon Roller


2 for $3.50
3 for $4.50
After years of use the nylon rollers on the idler shaft my wear down and need to be replaced. We offer a set of two rollers for the A-R1 and A-R6 tumblers and a set of three rollers for the A-R2 and A-R12 tumblers.
Thumler's nylon guides

Thumler's Barrel Guides for A-R Tumblers


2 for $2.99
These barrel guides fit all A-R models of Thumler's tumblers and are simple to replace. Remove the retainer clip from the shaft, take off the bearing and guide, slide on a new guide then replace the bearing and retainer clip. We suggest purchasing some extra retainer clips just in case you damage one.
Thumler's Model B barrel guides

Model B Tumbler Barrel Guides


2 for $3.99
Constructed of polyethylene, Thumler's Model B tumbler barrel guides very durable. These guides don't need replaced often but when they do it is an easy job to do. Purchasing extra retainer clips is a good idea in case you damage one while removing it to change out the guide.
Thumler's tumbler retainer clip

Thumler's Shaft Retainer Clips


4 for $2.99
Retainer clips are used to hold the bearings on the end of the shafts and to hold the nylon rollers in the proper location on the idler shaft.
Thumler's 3lb barrel lid

Thumler's 2-Pound and 3-Pound Barrel Lid


Only $4.99
This is the plastic lid for the Thumler's Tumbler three-pound and two-pound barrels. Fits the barrels on Thumler's Models MP-1, Model-T, A-R1 and A-R2.
Thumler's 3lb barrel retainer ring

Thumler's 2-Pound and 3-Pound Barrel Retaining Ring


Only $4.99
This is the rubber retaining ring that is used to secure the lid on a Thumler's Tumbler two-pound and three-pound barrel. These barrels are on Thumler's Models A-R1, A-R2, Model-T and MP-1.
Thumler's 9lb barrel lid (ar-6)

Thumler's 9-Pound Barrel Lid


Only $5.99
This plastic lid is designed for Thumler's A-R6 nine-pound barrel.
Thumler's 9lb barrel retainer ring (ar-6)

Thumler's 9-Pound Barrel Retaining Ring


Only $5.99
This retaining ring is used to secure the lid on a Thumler's Tumbler nine-pound barrel. Note: This new retainer ring will appear much smaller than the one that you're replacing. That is because it hasn't been stretched out. However, it will fit the barrel but is tough getting on until it gets stretched out.
Thumler's 12lb barrel lid

Thumler's A-R12 12-Pound Barrel Lid


Only $6.99
This is Thumler's Model A-R12 barrel lid. If you need a new retainer ring it will need to be purchased separately.
Thumler's 12lb barrel retainer clamp

Thumler's 12-Pound Barrel Retaining Clamp


Only $6.99
A metal retaining clamp that makes the watertight seal on Thumler's A-R12 tumbler barrel.
Thumler's Model B barrel lid

Thumler's 15-Pound Barrel Lid


Only $11.99
This is the metal lid for Thumler's Model-B fifteen-pound barrel.
Thumler's Model B barrel lid gasket

Thumler's 15-Pound Barrel Gasket


Only $9.99
This rubber gasket is what gives the 15-pound barrel on a Thumler's Model B tumbler a watertight seal. If you are trying to use this for a different tumbler barrel be sure to take accurate measurements. It usually does not fit other types of tumblers.
Diameter = 9"
Hole center to hole center = 8"
Hole diameter = 9/32"
Model B barrel rubber liner and gasket

Thumler's Model B Barrel Liner and Gasket


Only $54.99
Replacement rubber liner and gasket for Thumler's Model B tumbler barrel.
Thumler's Model B barrel lid wingnuts

Thumler's Model B Barrel wing nuts


Only $4.99
A set of 6 wing nuts to tighten the lid on Thumler's fifteen-pound Model B barrel.
Thumler's Model B barrel lid washers

Thumler's Model B Barrel Washers


Only $2.99
A set of 6 washers for under the wing nuts on Thumler's fifteen-pound Model B barrel.
Thumler's 2lb tumbler barrel

Thumler's 2-Pound Barrel


Only $14.99
This is a two pound capacity rubber barrel that fits the Thumler's Model MP-1 rock tumbler. It includes the soft rubber barrel, lid and sealing ring. TIP: Get an extra barrel and dedicate it to the polishing step. This significantly reduces the possibility of grit contamination.

Barrel Dimensions in Inches
  Height Diameter
Inside (min) 2 5/8 4 1/4
Outside (max) 3 5

Thumler's 3lb tumbler barrel

Thumler's 3-Pound Barrel


Only $24.99
This is a three pound capacity rubber barrel that fits the Thumler's Model A-R1, Model A-R2, and Model T rock tumblers. It includes the soft rubber barrel, lid and sealing ring. TIP: Get an extra barrel just for the polishing step. This significantly reduces the possibility of grit contamination.

Barrel Dimensions in Inches
  Height Diameter
Inside (min) 3 7/8 4 1/4
Outside (max) 4 1/4 5

Thumler's 9lb tumbler barrel

Thumler's 9-Pound Barrel


Only $74.99
Here is a nine-pound capacity barrel to fit the Thumler's Model A-R6 rock tumbler. It includes the soft rubber barrel, the lid and retainer ring.

Barrel Dimensions in Inches
  Height Diameter
Inside (min) 4 7
Outside (max) 4 1/2 8

Thumler's 12lb tumbler barrel

Thumler's 12-Pound Barrel


Only $124.99
This is a complete, ready to use, A-R12 rock tumbler barrel. It is a 12-pound capacity rubber barrel with hard plastic lid and metal retainer ring.

Barrel Dimensions in Inches
  Height Diameter
Inside (min) 7 3/8 5 3/4
Outside (max) 8 1/4 8 5/16

Thumler's 15lb tumbler barrel

Thumler's 15-Pound Barrel


Only $124.99
A 15-pound capacity tumbler barrel designed for the Thumler's Model B rock tumbler. It includes the metal frame, metal lid, soft rubber insert, lid gasket, wing nuts and washers.

Barrel Dimensions in Inches
  Height Diameter
Inside (min) 8 1/4 6 1/2
Outside (max) 9 9 1/4
Outside height includes washer and wing nut.

Thumler's 10lb vibratory barrel

Thumler's 10-Pound UV-10 Bowl


Only $79.99
This bowl fits the Thumler's UV-10 vibratory rock tumbler. It has a ten pound capacity. Included are the bowl, lid, washer and wing nut. A special bowl for polishing will help you keep that step free from possible grit contamination.

Thumler's 18lb vibratory bowl

Thumler's Bowl for the UV-18 Tumbler

Only $109.99
This bowl fits the Thumler's UV-18 vibratory rock tumbler. It has an eighteen pound capacity. Included are the bowl, lid and lid pad.

Thumlers A-R motor pully

A-R Tumblers Motor Pulley


Only $4.99
This pulley fits the motor on all A-R model Thumler's Tumbler. The Thumler's A-R pulley has a 1/4" inside diameter and 3/4" outside diameter.
Thumlers model B motor pully

Model B Motor Pulley


Only $4.99
This pulley fits Thumler's Model B tumbler motor. The Model B pulley has a 5/16" inside diameter and 3/4" outside diameter.
Thumlers MP-1 and Model T tumbler motor

Thumler's MP-1 and Model T Tumbler Motor


Only $34.99
This small light duty motor that fits both Thumler's MP-1 and Model T Tumblers. It comes with the motor and power cord.

Thumlers tumbler motor

Thumler's A-R Model Tumbler Motor


Only $69.99
This overload protected motor fits all Thumlers AR series tumblers and will automatically shut off under excessive load. Here is a list of the tumblers this motor fits A-R1, A-R2, A-R6 and A-R12. This motor does not fit other tumblers.

Thumlers Model B tumbler motor

Thumler's Model B Tumbler Motor - Low Speed (Rock Tumbling)


Only $84.99
This is the low speed (1550 rpm) replacement motor designed for rock tumbling in Thumlers Model B rock tumbler. It is an overload protected motor that will shut off automatically when under excessive load. Easy to replace, just remove the belt, mounting screws and replace. This motor does not fit other tumblers.

Thumlers Model B high speed tumbler motor

Thumler's Model B Tumbler Motor - High Speed (Brass Tumbling)


Only $89.99
This is the high speed (3000 rpm) replacement motor designed for brass tumbling in Thumlers Model B tumbler. It is an overload protected motor that will shut off automatically when under excessive load. Easy to replace, just remove the belt, mounting screws and replace. This motor does not fit other tumblers.

Thumlers UV 10 vibratory tumbler motor

Thumler's UV-10 (Industrial) Tumbler Motor


Only $99.99
This replacement motor fits Thumlers industrial UV-10 vibratory rock tumbler. It is overload protected and will shut off automatically when under excessive load. This motor does not fit other tumblers.

Thumlers UV 18 vibratory tumbler motor

Thumler's Industrial UV-18 Motor


Only $189.99
This is the counter weighted motor that is designed for the industrial version of Thumler's UV-18 rock tumbler. It will shut off is is under too much of a load so it doesn't overheat.

Thumler's UV-10 replacement feet

Thumler's UV-10 Feet and Bolts


Only $5.99
A set of 3 replacement feet and bolts for Thumler's UV-10 vibratory rock tumbler.
Thumler's UV-10 replacement washer

Thumler's UV-10 Lid / Bowl Washer


Only $2.99
This washer with a soft rubber pad can be used on either the bowl or the lid. This price is for one washer.
Thumler's UV-10 LID foam pad

Thumler's UV-10 Bowl Lid Foam Pad


Only $6.99
A replacement foam pad that sticks to the bottom of the bowl's lid.
Thumler's UV-10 foam pad

Thumler's UV-10 Base Foam Pad


Only $6.99
A replacement foam pad that sticks to the machine underneath the bowl.
Thumler's UV-10 wing nut for threaded Center Post

UV-10 Wing Nut for Threaded Center Post


Only $.79
This wing nut fits the center post on Thumler's UV-10 vibratory tumbler. It works for both holding the bowl down or the lid.
Thumler's UV-10 threaded Center Post

UV-10 Threaded Center Post


Only $7.99
This replacement center post is for Thumler's UV-10 vibratory tumbler. It comes with both the locknut for under the plate and the regular nut for above the plate.
Thumler's UV-18 lid washer

Thumler's UV-18 Lid Washer


Only $2.99
This is the smaller of the two washers on a Thumler's UV-18. It comes with a rubber pad attached and is used to hold the lid down to the bowl.
Thumler's UV-18 bowl washer

Thumler's UV-18 Bowl Washer


Only $2.99
This is the larger of the two washers on a Thumler's UV-18. It comes with a rubber pad attached and is used to hold the bowl down to the plate.
Thumler's UV-18 LID foam pad

Thumler's UV-18 Bowl Lid Foam Pad


Only $6.99
A replacement foam pad that sticks to the bottom of the bowl's lid.
Thumler's UV-18 foam pad for base

Thumler's UV-18 Foam Base Pad


Only $6.99
A replacement foam pad that sticks to the machine underneath the bowl.
Thumler's UV-18 wing nut for threaded Center Post

UV-18 Wing Nut for Threaded Center Post


Only $.99
This wing nut fits the center post on Thumler's UV-18 vibratory tumbler. Only used to hold the lid down. A lock nut is used to hold the barrel down.
Thumler's UV-18 threaded Center Post

UV-18 Threaded Center Post


Only $7.99
This replacement center post is for Thumler's UV-18 vibratory tumbler. It comes with the locknut for under the plate and the regular nut and lock washer for above the plate.

Rock Tumbler Supplies
Fee mining collecting map
Rock tumbler grit Rock tumbler polish Rock tumbler rough Rock tumbling media Rock tumbler grit Rock tumbler rough Rock tumbling media Rock Tumbling Supplies