Alpha
Alpha SL-4AL Included Angle Carbide Burr — 1/2″ Aluminium Cut
Part No: SL-4AL | Barcode: 9342386002492 | Shape: SL-AL — 14° Included Angle (Aluminium Cut)
The Alpha SL-4AL is a 1/2″ (12.70mm) included angle aluminium-cut carbide burr with a 1-1/16″ flute length and 1/4″ shank. Featuring a 14° tapered profile with aluminium-specific flute geometry, this burr clears chips rapidly without clogging on aluminium, brass, copper, and soft non-ferrous metals.
1/2″ Head Dia.
14° Included Angle
Aluminium Cut
1/4″ Shank
1-1/16″ Flute Length
Tungsten Carbide
Suitable For
Aluminium
Brass
Copper
Zinc Die Cast
Soft Non-Ferrous Metals
Key Features & Benefits
- 14° included angle with radius tip — reaches into tapered cavities, V-grooves, and angled surfaces that cylindrical or ball shapes cannot access.
- Aluminium-cut flute geometry — wider chip gullets and positive rake angles prevent material build-up and clogging on soft metals.
- CNC precision-ground flutes — delivers consistent cutting performance with reduced vibration and longer tool life.
- Premium tungsten carbide head — maintains cutting edge hardness, outlasting HSS burrs significantly on non-ferrous applications.
- High-quality alloy steel shank (HRC 45–49) — resists deflection and breakage under load for safe high-speed operation.
When to Use This Burr
Choose the SL-4AL (1/2″ head) for deburring internal angles, finishing tapered bores, and blending weld joints in corners on aluminium and soft non-ferrous workpieces. The aluminium-cut flute pattern prevents loading and produces a clean finish without gumming up. Use with a 1/4″ collet die grinder at up to 66,000 RPM.
Authorised Australian Dealer — This product is sourced directly from Alpha Australia and is backed by full Australian manufacturer warranty and local support.
Product Specifications
| Part No. | Head Dia. (in) | Head Dia. (mm) | Flute Length | Overall Length | Shank |
|---|---|---|---|---|---|
| SL-4AL ★ | 1/2″ | 12.70mm | 1-1/16″ | 2-3/4″ | 1/4″ |
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