5/16" x 4" Fast-Spiral Masonry Drill

Heavy-Duty Precision, Made in the USA The Cyclo Twist™ Masonry Drill Bit by Tru-Cut Manufacturing is built to power through tough masonry materials with speed and precision. Featuring a wide flute design and fast spiral construction, this drill bit offers rapid dust removal and smooth, efficient drilling in concrete, brick, and block. Engineered with a durable carbide tip and a rugged body, it’s the perfect choice for professionals who demand long-lasting performance in the most challenging conditions. Proudly made in the USA, the Cyclo Twist is the drill bit you can count on for serious jobs. Key Features: Carbide Tipped: Designed for maximum strength and wear resistance Fast Spiral Flute: Enhances drilling speed and chip evacuation Wide Flute Design: Reduces heat and increases performance life Heavy-Duty Construction: Built for high-impact masonry drilling Made in the USA: Quality craftsmanship by Tru-Cut Manufacturing Part # Size Length Shank F1253 1/8" 3" F1256 1/8" 6" X12513 1/2" 13" F1563 5/32" 3" F1723 11/64" 3" F1873 3/16" 3" F1874 3/16" 4" F1876 3/16" 6" X18713 3/16" 13" X18718 3/16" 18" F2183 7/32" 3" F2504 1/4" 4" F2506 1/4" 6" X25013 1/4" 13" X25018 1/4" 18" X25024 1/4" 24" X25030 1/4" 30" X25036 1/4" 36" F2816 9/32" 6" F3124 5/16" 4" F3126 5/16" 6" X31213 5/16" 13" X31218 5/16" 18" X31224 5/16" 24" F3754 3/8" 4" F3756 3/8" 6" X37513 3/8" 13" X37518 3/8" 18" X37524 3/8" 24" X37536 3/8" 36" X37548 3/8" 48" F4374 7/16" 4" F4376 7/16" 6" X43713 7/16" 13" F5006X1/4 1/2" 6" 1/4" F5006X3/8 1/2" 6" 3/8" X50013 1/2" 13" X50018 1/2" 18" F5626 9/16" 6" X56218 9/16" 18" F6256 5/8" 6" 3/8" X62513 5/8" 13" X62518 5/8" 18" X62524 5/8" 24" F6876 11/16" 6" F7506 3/4" 6" 3/8" X75013 3/4" 13" X75018 3/4" 18" F8756 7/8" 6" X87513 7/8" 13" F10006 1" 6" F11256 1-1/8" 6"