SDS-max Thru-Hole Rotary Hammer Bit

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SDS-max Thru-Hole Rotary Hammer Bit Specifications
One piece carbide tipped SDS max tunnel bits
Idea for drilling large holes where the depth of the hole exceeds the practicality of a core bit
Optimized Chisels and raker teeth for faster material pulverization
One piece SDS max shank design maximizes energy transfer
Wide land and substantial core thickness makes bits durable even in large hammers
Centering tip reduces bit walking for exact spot drilling
Creating true round flutes
Three wide flute ejects debris fast

Tunnel Bits are ideal for drilling deep, large holes in brick, block, andconcrete with SDS Max rotary hammers. Idea for drilling large holes where the depth of the hole exceeds the practicality of a core bit. SDS-Max TCT Tunnel Drill Bit One-piece

The SDS Max Drill Bit is designed for drilling in the toughest concrete and masonry applications. It features 2 main cutters and 2 robust side core pins which prolong the lifetime of the drill bit, as well as its carbide construction that resists wearing for optimum durability. Compatible with all rotary hammers with SDS max holders.

Designed to be used for drilling masonry, concrete and natural stone
Equipped with 2 main cutters and 2 robust side core pins for a prolonged product lifetime
This bit is made from fine-grade, highly durable carbide which specifically resists wearing for long-lasting sharpness
Vibration optimised 2+2 flute design provides the best power transfer when drilling SDS MAX 35-80mm Breakthrough Tunnel Drill Bit

This product adopts an industrial-grade standard design, with core parameters precisely matched to professional construction needs: the material uses a high-strength 45# steel base and YG6 carbide, balancing the toughness of the base and the sharpness of the cutting edge; the surface is sandblasted to effectively improve wear resistance and anti-slip performance, extending service life; the size covers common specifications of 35-65mm, with a total length of 500mm to meet the needs of deep drilling; equipped with a standard SDS MAX tool holder, it can be seamlessly adapted to various SDS MAX specification electric hammers, making installation convenient and highly versatile. SDS-max Tunnel Bits

Product Advantages
1. Superior material combination for sharper and more durable cutting: Made of high-grade 45# steel and YG6 carbide, the carbide cutting tip has high hardness and strong wear resistance, making it easy to cut hard materials such as concrete and brick walls. Combined with the excellent toughness of the 45# steel base, it effectively avoids the cutting tip breakage and greatly extends the tool’s service life. SDS Max Break Through Concrete Milling Cutter Tunnel Drill Bit

2. Circular alloy blade assembly for uniform force distribution and reduced chipping: The innovative circular alloy blade assembly design ensures that each blade evenly distributes the workload during drilling, preventing chipping caused by excessive local force, ensuring a stable and smooth cutting process, and guaranteeing a smooth and flat drilled edge, reducing subsequent finishing processes. SDS Max Concrete Milling Cutter Tunnel Drill Bit for Deep Large Hole

3. High-frequency welding process for a stronger and more reliable connection: Utilizing advanced high-frequency welding technology, the weld between the cutter head and the base material achieves extremely high bonding strength. The inner and outer welds are smooth and flat, resulting in not only a refined appearance but also ensuring that the welded parts are less likely to detach during high-frequency impact drilling operations, improving operational safety and tool durability. Compared to traditional welding, this process also effectively reduces the heat-affected zone, preventing material performance degradation and further guaranteeing product quality. Thru-Hole Multi-Cutter Head SDS Max Rotary Hammer Bit

Applicable Scenarios
This product is specifically designed for drilling into hard materials, suitable for various working conditions such as brick walls and concrete walls. It is especially suitable for air conditioner installation drilling, and can also meet the drilling needs of water and electricity renovation, pipeline laying, and other scenarios. Whether for professional construction teams or individual DIY projects, its high-efficiency cutting and stable performance can significantly improve drilling efficiency and construction quality. SDS MAX Breakthrough Bit, Thru Hole Bit Carbide Tipped

Kind tips

1. Please understand that there may be a 1-3mm difference in actual size due to errors in manual measurement;
2. Due to factors such as monitor model and lighting conditions, the product image may slightly differ from the actual product color. The actual color of the received product shall prevail.  Carbide Tipped Hole Saw Bit with Storage Tube, SDS MAX Shank for Concrete Brick Stone