IRWIN Masonry Drill Bit, 4.5 x 85mm, for Brick & Concrete
Fast, durable IRWIN masonry drill bit (4.5x85mm) with diamond-ground carbide tip. 60% faster drilling in brickwork & concrete.
The IRWIN Masonry Drill Bit delivers fast, efficient drilling in brickwork, concrete, and breeze blocks, especially when used with cordless drills. Engineered for superior performance, these bits drill 60% faster than competitor products while maintaining exceptional durability.
The single flute design enhances dust removal, maximising drilling speed, while the diamond-ground carbide tip ensures aggressive cutting action and a 20% longer lifespan compared to previous IRWIN masonry bits.
Built with a high-carbon chrome vanadium body, these bits provide superior hardening and rupture strength for demanding applications. Ideal for both professional tradespeople and DIY enthusiasts seeking reliable performance.
Specifications
- Diameter: 4.5mm
- Total Length: 85mm
- Working Length: 45mm
- Material: High-carbon chrome vanadium
- Tip Type: Diamond-ground carbide
- Design: Single flute for dust removal
- Compatibility: Optimised for cordless drills
- Drilling brickwork
- Drilling concrete
- Drilling breeze blocks
- Cordless drilling applications
- **Material:** High-carbon chrome vanadium
- **Tip Material:** Diamond-ground carbide
- **Diameter:** 4.5mm
- **Total Length:** 85mm
- **Working Length:** 45mm
- **Special Feature:** 60% faster drilling
- **Special Feature:** 20% longer lifespan
- **Weight:** 12g
Always follow local regulations and product guidance.
Free standard delivery on Australian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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