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
This 1/2" x 4-1/2" industrial masonry drill bit is engineered for high-performance drilling in concrete, brick, and block. It features a durable tungsten carbide tip and complies with ANSI B212.15 standards, ensuring precision and long service life for demanding applications. 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: