3/4" X 3-3/4" Round C9 Whirley Bit
The 3/4" x 3-3/4" Round C9 Whirley Bit from Champion Chisel is designed for precision concrete dowel drilling in highway expansion and heavy construction applications. Built for durability and consistent performance, this Whirley Bit delivers clean, accurate holes in demanding concrete conditions.
Key Features
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Shank Size: 3/4" x 3-3/4"
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4-Spline Whirley Bit Design: Also commonly referred to as C-9 Sparta, CP-9A, MRD-9, and 5-LHD styles.
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Round C9 Configuration: Engineered for reliable doweling performance.
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Hollow Steel Construction: Allows continuous airflow to keep the drill hole clear of debris, improving drilling efficiency and accuracy.
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Carbide Tip: Durable, wear-resistant carbide cutting tip designed to handle hard and abrasive concrete.
Performance & Applications
This 4-spline Whirley Bit is ideal for professional concrete contractors working on highway expansion joints, concrete paving, and infrastructure projects. The hollow steel design promotes efficient material removal while the carbide tip provides long service life in tough drilling environments.
Made in the U.S.A.
Champion Chisel Whirley Bits are proudly Made in the U.S.A., ensuring dependable quality, precision manufacturing, and performance you can trust on the jobsite.
Sizes & Availability
Champion Chisel offers a wide range of Whirley Bit sizes and styles. If the size you need is not listed, please contact us for availability.