This 3/16" x 4-1/4" industrial cobalt drill bit is engineered from M35 steel (5% cobalt) for superior heat resistance. Its 135° split-point tip ensures precise, no-walk starts on hard materials like stainless steel and cast iron. Manufactured to meet industrial performance standards for durability and accuracy. Learn More
Engineered for durability, this 1/2" x 4-1/2" masonry drill bit features a robust tungsten carbide tip for efficient drilling in concrete, brick, and block. It is manufactured to meet ANSI B212.15 standards, ensuring reliable performance in demanding construction and MRO applications. Learn More
This industrial-grade 5/16" x 4-1/2" masonry drill bit is engineered for high-performance drilling in concrete, brick, and block. It features a durable tungsten carbide tip for extended life and precision, manufactured to meet ANSI B212.15 standards. Learn More
3/16" X 4-1/4" COBALT INDUSTRIAL DRILL BIT, 135° SPLIT POINT$3.99 As low as $2.69Bulk Pricing:
1/2" X 4-1/2" MASONRY INDUSTRIAL DRILL BIT, CARBIDE TIP$6.99 As low as $4.49Bulk Pricing:
5/16" x 4-1/2" Masonry Industrial Drill Bit, Carbide Tip$3.99 As low as $3.69Bulk Pricing: