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Twenty small silver carbon steel torsion springs in a pile

Unique-Bargains

Unique-Bargains GT2 Timing Belt Tensioner Springs 6mm 20pcs

SKU CH-CJ7C-9X4V2

Pack of 20 carbon-steel GT2 timing-belt tensioner springs sized for 6 mm belts

  • Carbon steel construction provides excellent elasticity and fatigue resistance
  • 20 springs included for multiple tensioner replacements or spares
  • Compact 12 x 12 x 8 mm size fits tight 3D printer assemblies
  • Designed for GT2 timing belts up to 6 mm width
  • Precise 5.2 mm outer and 3 mm inner diameters ensure secure belt grip

GT2 Belt Tensioner Springs for 3D Printers

These carbon-steel torsion springs are designed to maintain tension on GT2 timing belts up to 6 mm wide in 3D printer motion systems. The pack contains twenty identical springs so a workshop can service multiple axes or keep spares on hand. They suit hobbyists and small-shop operators who build or maintain belt-driven printers.

Twenty-piece pack simplifies maintenance planning

With twenty springs in one package, a single order covers both axes of a typical Cartesian printer plus several replacements. The quantity reduces downtime when a spring fatigues and eliminates the need to source individual replacements from multiple vendors.

Fixed dimensions limit belt and mounting options

Each spring measures 12 mm long with a 5.2 mm outer diameter, 3 mm inner diameter and 1 mm wire diameter, so it only fits belts 6 mm wide or narrower and mounting holes that accept those diameters. Printers using wider belts, different pitch profiles or non-standard tensioner geometries cannot use these springs.

Highlights

  • Carbon steel construction provides excellent elasticity and fatigue resistance
  • 20 springs included for multiple tensioner replacements or spares
  • Compact 12 x 12 x 8 mm size fits tight 3D printer assemblies
  • Designed for GT2 timing belts up to 6 mm width
  • Precise 5.2 mm outer and 3 mm inner diameters ensure secure belt grip

Specifications

BrandUnique Bargains

Questions about this item

How often should the carbon-steel GT2 tensioner springs be replaced on a 3D printer running daily?

The carbon-steel construction gives excellent fatigue resistance, so the springs typically last many months of continuous printing before needing replacement.

What belt-width limit applies to these 5.2 mm OD springs when tensioning a GT2 system?

They are designed for belts up to 6 mm wide; wider belts exceed the spring's inner diameter and will not fit correctly.

Do the 1 mm wire-diameter springs add noticeable heat or vibration to the printer frame during long prints?

The springs are passive metal components with no moving electrical parts, so they generate no heat and add negligible vibration to the frame.

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