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Model No.: HNKM60804
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| Parameter | Value |
|---|---|
| Belt Width | 12 mm |
| Belt Length | 330 mm |
| Grit Size | 280# (fine – for finishing and polishing) |
| Abrasive Type | Electroplated diamond (single-layer, high exposure) |
| Backing Material | Polyester / cloth backing |
| Application | Grinding, finishing, and polishing |
| Target Material | Tungsten carbide (cemented carbide) |
This 12mm × 330mm electroplated diamond abrasive belt is specifically designed for grinding, finishing, and polishing tungsten carbide (cemented carbide) tools and components.
The 280 grit provides a fine, controlled cutting action – ideal for achieving smooth, polished surfaces on hard carbide materials without excessive material removal.
The electroplated diamond layer delivers:
Sharp, consistent cutting edges
Excellent wear resistance – long service life
Cool grinding – minimal heat generation
Consistent performance – no drop-off during use
Typical applications include:
✅ Finishing and polishing tungsten carbide tools
✅ Edge rounding and deburring carbide components
✅ Surface preparation for coating or brazing
✅ Precision grinding of carbide inserts and blanks
✅ Deburring and finishing carbide wear parts
| Feature | Benefit |
|---|---|
| 12mm width | Narrow belt – ideal for small tools, edges, and detailed work |
| 330mm length | Standard length – fits most belt grinders and finishing machines |
| 280 grit | Fine grit – produces smooth, polished finish |
| Electroplated diamond | Sharp, long life, cool cutting |
| Flexible backing | Conforms to contoured surfaces |
| For tungsten carbide | Optimized for hard, wear-resistant materials |
Tungsten carbide is extremely hard (HV 1,300 – 1,800). Conventional abrasives wear out quickly – only diamond can grind it effectively.
| Abrasive | Suitability for Tungsten Carbide | Reason |
|---|---|---|
| Diamond | ⭐⭐⭐⭐⭐ Excellent | Hardest abrasive – cuts carbide efficiently |
| CBN | ⭐⭐ Poor | Not hard enough for carbide |
| Silicon Carbide | ❌ | Not suitable |
| Alumina | ❌ | Not suitable |
| Grit | Cut Rate | Surface Finish | Application |
|---|---|---|---|
| #120-180 | Moderate | Medium | General grinding |
| #280 | Fine | Smooth | Finishing, polishing |
| #400+ | Very fine | Very smooth | Super finishing |
280 grit is ideal for:
Smoothing ground carbide surfaces
Removing fine scratches
Preparing surfaces for coating
Achieving a polished finish on carbide
| Operation | Description |
|---|---|
| Tungsten carbide tool finishing | Smoothing cutting edges |
| Carbide insert polishing | Surface preparation |
| Deburring | Removing sharp edges from carbide parts |
| Edge rounding | Softening sharp corners |
| Surface preparation | Preparing for coating or brazing |
| Material | Suitability |
|---|---|
| Tungsten carbide (cemented carbide) | ⭐⭐⭐⭐⭐ Excellent |
| Ceramics | ⭐⭐⭐⭐ Good |
| Glass | ⭐⭐⭐⭐ Good |
| Hard metals | ⭐⭐⭐⭐ Good |
| Composites | ⭐⭐⭐ Good |
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