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Best Seller 2 1/2in X 24in Sds Max Tunnel Bit B-66307 Click To View [CfxpiH4b]

$45.99 $147.99 -69%

High-Performance SDS MAX Tunnel Bit for Masonry The Makita 2 1/2in x 24in SDS MAX Tunnel Bit (B-66307) is a top-tier tool designed for precision and durability. This tunnel bit excels in drilling large holes in masonry, making it ideal for a variety

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Best Seller 2 1/2in X 24in Sds Max Tunnel Bit B-66307 Click To View [CfxpiH4b]

High-Performance SDS MAX Tunnel Bit for Masonry

The Makita 2 1/2in x 24in SDS MAX Tunnel Bit (B-66307) is a top-tier tool designed for precision and durability. This tunnel bit excels in drilling large holes in masonry, making it ideal for a variety of applications such as piping, ventilation, and electrical installations. With its robust construction and innovative design, it offers unmatched performance and efficiency. Key features include a solid tungsten carbide head for enhanced durability, a carbide-tipped centering point for accuracy, and a solid one-piece system that ensures power is transferred directly to the bit's end.

Technical Specifications and Design Details

The B-66307 tunnel bit boasts a 2-1/2 inch diameter and a 24-inch overall length, with an 18-inch usable length. Its two flute design ensures faster debris clearance, while the asymmetrical tungsten carbide teeth provide quicker drilling and extended life. The bit is crafted with precision, featuring a solid tungsten carbide head that withstands the rigors of drilling through concrete, block, and brick. Additionally, the larger diameter of this bit allows for the use of smaller hammers to drill larger holes, offering versatility and convenience.

Practical Applications and Benefits

This Makita tunnel bit is a must-have for professionals and DIY enthusiasts alike. Whether you're working on a construction project or a home renovation, its ability to drill through masonry with precision and speed will save you time and effort. The bit's features, such as the carbide-tipped centering point and the solid one-piece system, ensure that your drilling is both accurate and efficient. Its practical applications include making through-holes in masonry for piping, ventilation, and electrical installations, making it an essential tool for any job that requires drilling large holes in concrete, block, and brick.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

The quality is exceptional for the cost.

- Jordan K..

January 27, 2026

Absolutely no complaints!

A great item for a very good price.

- Victoria B..

January 27, 2026

Absolutely no complaints!

Excellent product. Just go and buy it.

- Kelly Z..

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