Drill Bits
Bobco Metals supplies a complete range of industrial drill bits, including heat-resistant M35 Cobalt and tungsten carbide-tipped Masonry bits. All bits meet stringent ANSI standards for reliable performance in metal, concrete, and other demanding materials. Available for bulk purchase and same-day pickup in Los Angeles.
3/16" X 4-1/4" COBALT INDUSTRIAL DRILL BIT, 135° SPLIT POINT$3.99 As low as $2.69Bulk Pricing:- Buy 20 or more $3.49 Save 13%
- Buy 50 or more $2.99 Save 25%
- Buy 100 or more $2.69 Save 33%
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
5/16" x 4-1/2" Masonry Industrial Drill Bit, Carbide Tip$3.99 As low as $3.69Bulk Pricing:- Buy 20 or more $3.89 Save 3%
- Buy 50 or more $3.79 Save 5%
- Buy 100 or more $3.69 Save 8%
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