UNIKA 4-Cutter SDS-Plus Concrete Drill Bit
Premium Japanese Rotary Hammer Drill Bit for Fast, Accurate & Durable Concrete Drilling
Specification
8.0mm x 160mm
10.0mm x 160mm
10.0mm x 210mm
12.0mm x 160mm
12.0mm x 210mm
14.0mm x 210mm
16.0mm x 210mm
16.0mm x 260mm
18.0mm x 260mm
The UNIKA 4-Cutter SDS-Plus Concrete Drill Bit is designed for professional contractors who require fast drilling speed, exceptional durability, and reliable performance in concrete and reinforced concrete. Developed according to UNIKA's strict quality standards, the drill bit features a premium 4-cutter carbide head that delivers accurate hole drilling, improved rebar resistance, and longer service life.
Manufactured using premium-grade alloy steel, the drill bit body is carefully heat-treated and tested to achieve the optimal balance of hardness and toughness. This ensures excellent resistance against bending, twisting, and breakage even under demanding drilling conditions.
The optimized spiral flute design efficiently removes drilling dust and debris, reducing heat buildup and improving drilling efficiency. Combined with the advanced 4-cutter carbide head, the UNIKA drill bit provides smooth drilling performance and consistent results for professional construction applications.
Key Features
• Advanced 4-Cutter Carbide Head Design
• Premium Tungsten Carbide Cutting Tips
• Premium-Grade Alloy Steel Body
• Heat-Treated for Optimum Hardness and Toughness
• Tested for Strength and Breakage Resistance
• Fast & Efficient Drilling Performance
• Excellent Dust Removal Design
• Improved Rebar Resistance
• Accurate Hole Diameter
• Reduced Vibration During Operation
• Long Service Life
• Professional Contractor Grade Quality
Applications
• Reinforced Concrete
• Concrete Structures
• Brick Walls
• Masonry
• Natural Stone
• Block Walls
• Anchor Installation
• Mechanical & Electrical Works
• Plumbing Installation
• Air Conditioning Installation
• General Construction Projects
Recommended Equipment
• SDS-Plus Rotary Hammer Drill
• Cordless SDS-Plus Rotary Hammer
• Professional Hammer Drill
Why Choose UNIKA Drill Bits?
• Premium 4-cutter design for faster and smoother drilling.
• Better resistance against carbide tip damage when encountering rebar.
• Premium alloy steel body for superior durability.
• Heat-treated and quality-tested for maximum reliability.
• Efficient dust evacuation for improved drilling speed.
• Consistent hole accuracy for anchor installation.
• Trusted quality for professional construction applications.
Safety Warning
⚠ Always wear safety glasses, gloves, and hearing protection.
⚠ Ensure the drill bit is securely locked into the SDS-Plus chuck before use.
⚠ Check for hidden electrical cables, water pipes, and gas lines before drilling.
⚠ Do not use excessive force during drilling.
⚠ Replace damaged or worn drill bits immediately.
⚠ Follow the rotary hammer manufacturer's safety instructions.
