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Five black rubber O-ring drive belts in a pack

RTumbler, LLC

RTumbler, LLC Replacement Drive Belt 5 Pack for Dura-Bull Tumblers

SKU CH-9QV9-20BH3

Five-pack of Buna nitrile O-ring drive belts fits Dura-Bull tumblers and stays pliable down to -20 F with a 15 year shelf life

  • Product typeScience
  • Age groupAdult
  • Suitable forUnisex
  • Superior quality over original factory rubber belts
  • O" ring style made from Buna nitrile material
  • Greater flexibility and abrasion resistance than natural rubber
  • 15 year shelf life for long-term storage
  • Stays pliable down to -20 F in cold conditions

Replacement Drive Belts for Dura-Bull Tumblers

This five-pack supplies non-factory original drive belts built for Dura-Bull brand tumblers. They suit hobbyists and educators who run STEM tumbling projects and need dependable spares on hand. The belts arrive new and ready to install.

Capacity and headroom: five belts per pack

Five belts give enough replacements for extended tumbling sessions or multiple machines. The pack runs out when all five have been used, so heavy users may need additional packs over time.

Buna Nitrile construction with 15 year shelf life

These "O" ring style belts are moulded from Buna Nitrile rather than natural rubber. The material stays pliable down to -20 F and offers greater flexibility plus abrasion resistance. A 15 year shelf life means spares stay usable for the long term.

How it compares

Measured against everything we stock in STEM Kits & Building Blocks, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 95% of the 236 comparable items (median $28.99).

Specifications

Product
Product typeScience
More details
Age groupAdult
Suitable forUnisex

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