Klingspor LS 309 X File Belts – For Metals, NF Metals & Wood

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Klingspor LS 309 X File Belts – Cloth Backing for Metals, NF Metals & Wood


The Klingspor LS 309 X file belts are versatile, narrow abrasive belts designed for precision grinding, deburring, and finishing on metals, non-ferrous metals, and wood.


Featuring a strong X-weight cotton cloth backing, these belts combine durability with flexibility, making them suitable for profile work, edge finishing, and use in tight or contoured spaces. The aluminium oxide abrasive grain ensures a sharp, consistent cut and long service life, providing reliable performance across multiple materials.


Key Features:

  • X-weight cotton cloth backing – durable and stable for demanding sanding applications

  • Aluminium oxide abrasive grain – sharp cutting action with consistent results

  • Resin over resin bonding – secure grain adhesion for extended belt life

  • Closed coat structure – high removal rate with smooth, uniform finishes

  • Multi-material capability – effective on metals, NF metals, and wood


📏 Typical Specifications (may vary by belt):

  • Abrasive grain: Aluminium oxide

  • Backing: X-weight cotton cloth

  • Bonding: Resin over resin

  • Coating: Closed coat

  • Grit range: Multiple grades available

  • Common sizes: Fits standard file belt sanders


📦 Common Applications:

  • Deburring and finishing metal and NF metal components

  • Edge and profile sanding on wood and composite materials

  • Cleaning and blending weld seams

  • Shaping and smoothing workpieces in fabrication and woodworking

  • Precision finishing in maintenance and repair work


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