Rock Tumbler Parts
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Belts
Thumler's Model-T & MP-1 Belt
Thumler's MP-1 and Model-T tumbler belt can be changed quickly and easily without using tools. Lift the drive shaft, slip the belt over the pulley, replace the drive shaft and roll the belt over the motor pulley.
Belt for Thumler's A-R Models and Model B
This belt is simple to replace and works on all of Thumler's A-R tumblers and the 15-pound Model B tumbler.
Lortone Model 3A Belt
Replacing the belt on a Lortone Model 3A tumbler is an easy job. Use a screwdriver to open the case, loosen the screws that hold the motor to the case, stretch the belt over the two pulleys, move the motor until the belt is snug on the pulleys, tighten the motor-mounting screws and close the case.
Lortone Model 33B & 45C Belt
Replacing a belt on a Lortone Model 33B or 45C tumbler is easy. Just use a screwdriver to open the case, loosen the screws that hold the motor to the case, stretch the belt over the pulleys, move the motor until the belt is snug on the pulleys, tighten the motor-mounting screws then close the case.
Lortone QT6, QT12, QT66 Belt
Replacing the belt on a Lortone Model QT tumbler is easy. Just remove the belt cover on the side of the case, loosen the two screws that hold the motor in place, stretch the belt over the pulleys, move the motor until the belt is snug on the pulleys, tighten the motor mounting screws and replace the cover.
Tumble-Bee Drive Belt
Fits all Tumble Bee tumblers. Made from polyurethane with embedded nylon fibers. This is a timing-style design for non-slip traction. The folks at Tumble-Bee estimate that it typically delivers 3000-4000 hours of operation.
Bearings
Thumler's MP-1 Bearings
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 bearings are simple to replace. Just remove the retainer clip from the end of the shaft, remove the old bearing, slide on a new bearing and replace the retainer clip. We suggest purchasing some extra retainer clips just in case you damage one while taking it off or putting it on.
Lortone Model 3A Bearings
Lortone bearings are easy to replace. First remove the belt. Then remove the retaining ring from the end of the drive shaft, push the shaft into the case, pull out the old bearing, slide in the new bearing and reassemble. Repeat for each bearing.
Lortone Model 33B & 45C Bearings
Lortone bearings are easy to replace. First remove the belt. Then remove the retaining ring from the end of the shaft, push the shaft into the case, pull out the old bearing, slide in the new bearing and reassemble. Repeat for each bearing.
Lortone Model QT6, QT66 & QT12 Bearings
Lortone bearings are easy to replace. First remove the belt. Then remove the retaining ring from the end of the shaft, push the shaft into the case, pull out the old bearing, slide in the new bearing and reassemble. Repeat for each bearing.
Shafts
Thumler's MP-1 Drive Shaft
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
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 A-R1 and A-R6 Tumblers Drive Shaft
A replacement drive shaft for the Thumler's Model T, A-R1 and A-R6 rotary tumblers. Easy to replace, just remove the belt, lift out the old shaft, snap the new one in place and replace the belt. This item includes: shaft, rubber rollers, bearings, pulley and retainer clips.
Thumler's A-R1 and A-R6 Tumblers Idler Shaft
A replacement idler shaft for the Thumler's Model T, A-R1 and A-R6 rotary tumblers. Easy to replace, just lift out the old shaft, snap the new one in place and you are finished. Includes: shaft, nylon rollers, bearings, barrel guides and retainer clips.
Thumler's A-R2 and A-R12 Tumblers Drive Shaft
A replacement drive shaft for the Thumler's A-R2 and A-R12 rotary tumblers. Easy to replace, just remove the belt, lift out the old shaft, snap the new one in place and replace the belt. Includes: shaft, rubber rollers, bearings, pulley and retainer clips.
Thumler's A-R2 and A-R12 Tumblers Idler Shaft
A replacement idler shaft for the Thumler's A-R2 and A-R12 rotary tumblers. Easy to replace, just lift out the old shaft, snap the new one in place and you are finished. Includes: shaft, nylon rollers, bearings, barrel guides and retainer clips.
Thumler's Model B Tumbler Drive Shaft
A replacement drive shaft for the Thumler's Model B rotary tumbler. Easy to replace, just remove the belt, lift out the old shaft, snap the new one in place and replace the belt. Includes: shaft, rubber rollers, bearings, pulley and retainer clips.
Thumler's Model B Tumbler Idler Shaft
A 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, nylon rollers, bearings, barrel guides and retainer clips.
Lortone 3A Drive Shaft
Lortone Model 3A replacement drive shaft comes with a retainer clip. To replace the drive shaft on a 3A it is necessary to remove the pulley off of the old shaft and reuse it on the new one.
Lortone 3A Idler Shaft
The 3A's idler shaft is basically a metal rod. This replacement shaft does NOT include new bearings. However, if new bearings are needed they can be purchased below.
Lortone 33B Drive Shaft
The 33B drive shaft has an anti-slip coating. Retainer clips are NOT included. If you can't reuse your old ones you can purchase new ones below.
Lortone 33B Idler Shaft
The 33B idler shaft has an anti-slip coating. Retainer clips are NOT included. If you can't reuse your old ones you can purchase new ones below.
Lortone 45C Drive Shaft
The 45C drive shaft has an anti-slip coating. Retainer clips and pulley are NOT included. If you can't reuse your old clips you can purchase new ones below.
Lortone 45C Idler Shaft
The 45C idler shaft has an anti-slip coating. Retainer clips are NOT included. If you can't reuse your old ones you can purchase new ones below.
Lortone QT6 Drive Shaft
The QT6 drive shaft has an anti-slip coating. Retainer clips are NOT included. If you can't reuse your old ones you can purchase new ones below.
Lortone QT6 Idler Shaft
The QT6 idler shaft has an anti-slip coating. Retainer clips are NOT included. If you can't reuse your old ones you can purchase new ones below.
Lortone QT66 and QT12 Drive Shaft
The QT66 and QT12 drive shaft has an anti-slip coating. Retainer clips are NOT included. If you can't reuse your old ones you can purchase new ones below.
Lortone QT66 and QT12 Idler Shaft
The QT66 and QT12 idler shaft has an anti-slip coating. Retainer clips are NOT included. If you can't reuse your old ones you can purchase new ones below.
Shaft Parts
Thumler's Tumbler Nylon Roller
After years of use, the nylon rollers on the idler shaft can wear 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 Rubber Roller
These rubber rollers for the drive shaft are what gives the barrel traction and keeps 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.
Thumler's Barrel Guides
Thumler's tumbler barrel guides are simple to replace. Just remove the retainer clip from the end of the shaft, remove the bearing and guide, slide on a new guide and replace the bearing and retainer clips. We suggest purchasing some extra retainer clips just in case you damage one.
Model B Tumbler Barrel Guides
Thumler's Model B tumbler barrel guides are constructed of polyethylene and are simple to replace. Just remove the retainer clip from the end of the shaft, remove the bearing, rubber roller and then the old guide. Slide on a new guide and replace the rubber roller, bearing and retainer clips. We suggest purchasing some extra retainer clips just in case you damage one.
Lortone 45C Barrel Guide
This metal barrel guide comes with the bolt, nut and washer needed for installation.
Barrel Guide for All QT Models
This barrel guide comes with the hardware needed for installation. It fits the model QT6, QT66 and QT12 Lortone tumblers.
Thumler's Shaft Retainer Clips
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.
3A, 33B and 45C Retainer Clips
Set of four shaft retainer clips for use on Lortone models 3A, 33B and 45C rotary rock tumbler shafts.
Shaft Retainer Clips for All QT Model Tumbler Shafts
Set of four retainer clips for use on Lortone models QT6, QT66 and QT12 rotary rock tumbler idler and drive shafts.
Barrel Parts
Thumler's Small Barrel Lid
This is the plastic lid that covers the Thumler's Tumbler three-pound and two-pound barrels. Fits Models A-R1, A-R2, MP-1 and Model T barrels.
Thumler's 3-Pound Barrel Retaining Ring
This is the rubber retaining ring that is used to secure the lid on Thumler's Tumbler three-pound and two-pound barrels. Fits Models A-R1, A-R2, Model T and MP-1 barrels.
Thumler's 9-Pound Barrel Lid
This is the plastic lid that covers a Thumler's Tumbler nine-pound barrel. Fits the Model A-R6 barrel.
Thumler's 9-Pound Barrel Retaining Ring
This is the rubber retaining ring that is used to secure the lid on a Thumler's Tumbler nine-pound barrel. Fits the Model A-R6 barrel.
Thumler's 12-Pound Barrel Lid
This is the plastic lid that covers a Thumler's Tumbler twelve-pound barrel. Fits the Model A-R12 barrel.
Thumler's 12-Pound Barrel Metal Retaining Clamp
This is the metal retaining clamp that is used to secure the lid on a Thumler's Tumbler twelve-pound barrel. Fits the Model A-R12 barrel.
Thumler's Model B Barrel Lid
This is the metal lid that covers a Thumler's Tumbler fifteen-pound barrel. Fits the Model B barrel.
Thumler's Model B Barrel Gasket
This is the gasket that goes under the metal lid on the Thumler's fifteen-pound Model B tumbler barrel.
Diameter = 9"
Hole center to hole center = 8"
Hole diameter = 9/32"
Thumler's Model B Barrel Liner and Gasket
This thick soft rubber liner and gasket for Thumler's Model B barrel give it a watertight seal and reduces the noise during tumbling. The liner is eight inches deep.
Thumler's Model B Barrel wing nuts
A set of 6 wing nuts to tighten the lid on Thumler's fifteen-pound Model B barrel.
Thumler's Model B Barrel Washers
A set of 6 washers for under the wing nuts on Thumler's fifteen-pound Model B barrel.
Lortone Tumbler Barrel Nut and Washer
This is the knurled nut used to tighten the lid on Lortone hobbyist tumbler barrels. Fits all Lortone rock tumbler barrels that we sell.
Does NOT fit Tumble-Bee barrel lids.
Lortone 3lb Lid Boot Gasket
A rubber boot gasket that makes Lortone's 3lb and 1.5lb barrels watertight and quieter.
Does NOT fit Tumble-Bee barrels.
Lortone 3lb Barrel Inner Lid with Stud
The inner metal lid with a threaded stud for Lortone's 3lb and 1.5lb barrels. Fits the barrels on Lortone Model 3A and 33B tumblers.
Lortone 3lb Barrel Outer Lid
This is the outer metal lid for Lortone 3-pound and 1.5-pound tumbler barrels. Fits the barrels on Lortone Model 3A and 33B tumblers.
Lortone 45C Barrel Drum Boot Gasket
This is the rubber cover that goes over the metal lid on Lortone 4.5-pound tumbler barrel. Fits the barrels on Lortone Model 45C tumbler.
Lortone 45C Barrel Inner Lid with Stud
This is the inner metal lid with threaded stud for Lortone's Model 45C 4.5-pound tumbler barrel.
Lortone 45C Barrel Outer Lid
This is the outer metal lid for the 4.5-pound barrel on a Lortone 45C rock tumbler.
Lortone 6lb & 12lb Drum Boot Gasket
This is the rubber cover that goes over the metal lid on Lortone 6-pound and 12-pound tumbler barrels. Fits the barrels on Lortone Model QT6, QT66 and QT12 tumblers.
Lortone 6lb and 12lb Barrel Inner Lid with Stud
This is the inner metal lid with threaded stud for Lortone 6-pound and 12-pound tumbler barrels. Fits the barrels on Lortone Model QT6, QT66 and QT12 tumblers.
Lortone 6lb and 12lb Barrel Outer Lid
This is metal outer lid completes the watertight seal on Lortone's 6-pound and 12-pound rock tumbler barrels.
Plastic Cap For the Lot-O-Tumbler Barrel
This is the red cap that goes on top of the Lot-O-Tumbler barrels.
Other Parts
A-R Tumblers Motor Pulley
This pulley fits the motor on all A-R model Thumler's Tumbler. The Thumler's A-R pulley has a 1/4" bore diameter and 3/4" outside diameter.
Model B Motor Pulley
This pulley fits Thumler's Model B tumbler motor. The Model B pulley has a 5/16" bore diameter and 3/4" outside diameter.
Thumler's Motor Mounting Nuts
Two keps nuts (nuts with attached, free spinning, star-shaped lock washers) are used to keep the motor in place. For Thumler's Model MP-1, Model T, and Model T2: The nuts screw onto the two motor-mounting bolts where they extend through the motor housing, one on each side of the opening where the motor's drive shaft protrudes. For Thumler's Models A-R1, A-R2, A-R6, A-R12, and Model B: The nuts screw onto the two motor-mounting bolts where they extend through the motor-mounting brackets.
Rubber Feet for Lortone Bases
A set of four rubber feet. These feet will work on Lortone models: 3-1.5, 3A, 33B, 45C, QT6, QT66 and QT12.
Thumler's UV-10 Feet and Bolts
A set of 3 replacement feet and bolts for Thumler's UV-10 vibratory rock tumbler.
Thumler's UV-10 Lid / Bowl Washer
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 Base Foam Pad
A replacement foam pad that sticks to the machine underneath the barrel.
Thumler's UV-10 Barrel Lid Foam Pad
A replacement foam pad that sticks to the bottom of the barrel's lid.
UV-10 Wing Nut for Threaded Center Post
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.
UV-10 Threaded Center Post
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
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
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 Bowl Lid Foam Pad
A replacement foam pad that sticks to the bottom of the bowl's lid.
Thumler's UV-18 Foam Base Pad
A replacement foam pad that sticks to the machine underneath the bowl.
UV-18 Wing Nut for Threaded Center Post
This wing nut holds the lid on Thumler's UV-18 vibratory tumbler bowl.
UV-18 Bowl Nut and Star Washer
This bowl nut and star washer are used to hold the bowl down. The large washer which goes underneath this nut/washer is sold separately.
Lot-O-Tumbler Replacement Springs
Replacement springs for the Lot-O-Tumbler are sold in sets of six. The Lot-O Single has six springs (four in the back and two in the front). The Lot-O Twin has twelve springs (eight in the back and four in the front). You will need two sets if you are going to replace all of the springs on a Twin.
Lot-O-Tumbler Motor Fans
Replacement fans are sold in pairs and have the counterweights mounted within the fan. When you replace a pair of fans, be sure that the counterweights are in matching positions on each side of the machine. These fans work on the Lot-O-Tumbler Single and Twin.
