Alpha
Alpha Onsite+ Multi-Use 90° Countersink — 2.8–12.4mm
Part No: CSAF3-12.4 | Barcode: 9313601027231 | Range: Onsite+
The Alpha Onsite+ Multi-Use 90° Countersink in the 2.8–12.4mm range delivers professional-quality, chatter-free countersinks with just a cordless drill. The advanced 90° arc flute design with smooth cutting edges minimises burrs and imperfections, producing a clean, flush finish every time. AITiN coated for extended service life.
2.8–12.4mm
90° Arc Flute
AITiN Coated
¼″ Insert Shank
Chatter-Free
Burr-Free
Suitable For
Stainless Steel
Mild Steel
Non-Ferrous Metals
Wood
Plastic
Key Features & Benefits
- 90° arc flute design — smooth, chatter-free countersinking that produces consistent, clean results without vibration.
- Burr-free finish — smooth cutting edges minimise imperfections, saving time on touch-ups and leaving a flawless surface.
- AITiN coating — extreme temperature resistance for long service life, even in stainless steel and hardened materials.
- ¼″ insert shank — quick-change compatibility with cordless drills and drivers for fast, portable countersinking.
- Multi-material versatility — works equally well in steel, stainless, aluminium, wood, and plastic for consistent results across materials.
When to Use This Countersink
The CSAF3-12.4 handles countersinking in the 2.8–12.4mm range, perfect for creating flush screw seats in steel, stainless, and non-ferrous materials. The 90° angle matches standard flat-head screws and bolts. With just a cordless drill, you get professional results that previously required complex machinery — ideal for tradies, fabricators, and fit-out contractors working onsite.
Authorised Australian Dealer — This product is sourced directly from Alpha Tools Australia and is backed by full Australian manufacturer warranty and local support.
Product Specifications
| Part No. | Size Range |
|---|---|
| CSAF3-8.3 | 2–8.3mm |
| CSAF3-10.4 | 2.5–10.4mm |
| CSAF3-12.4 ★ | 2.8–12.4mm |
| CSAF3-16.5 | 3.2–16.5mm |
| CSAF3-20.5 | 3.5–20.5mm |
★ You are viewing the highlighted variant. Other sizes in this series are also available.
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