Description
The KLINGSPOR 4139 (LS 309 XH) is a premium industrial-grade short abrasive belt engineered specifically for high-performance use on portable belt sanders and hand-held tool grinders. Designed for universal applicability, this 60-grit belt delivers an exceptional stock removal rate and durability across a wide spectrum of materials including wood, ferrous metals, non-ferrous metals, and surfaces coated with paint, varnish, or filler.
Constructed with a heavy-duty X-weight cotton backing, the LS 309 XH ensures superior tear resistance and stability under high mechanical stress. The synthetic aluminum oxide (corundum) grain is applied with a closed coating and bonded with high-quality synthetic resin, providing a consistent scratch pattern and an extended service life that outlasts standard DIY-grade abrasives.
Performance Features
- Universal Compatibility: Optimized for use on all standard 3″ x 21″ portable belt sanders.
- High Removal Rate: Aggressive 60-grit aluminum oxide grain provides rapid material stripping and surfacing.
- Tear-Resistant Backing: X-cotton cloth foundation maintains integrity during heavy industrial applications.
- Advanced F5 Joint: Features a high-strength overlapped joint glued for seamless operation and minimal vibration.
- Multi-Material Versatility: Engineered to handle everything from aggressive woodworking to metal deburring and paint removal.
Technical Specifications
| Product Series | LS 309 XH |
| Dimensions | 3″ x 21″ (75 x 533 mm) |
| Grit Size | 60 |
| Abrasive Grain | Aluminium Oxide |
| Backing Material | X-Cotton Cloth |
| Bonding Agent | Synthetic Resin |
| Coat Type | Closed |
| Joint Type | F5 (Overlapped) |
What’s Included
- 10 x Klingspor 4139 LS 309 XH 60 Grit Sanding Belt
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