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 4-½” COBALT INDUSTRIAL DRILL BIT, 135*SPLIT JOINT$5.19 As low as $3.78Bulk Pricing:- Buy 20 or more $4.67 Save 10%
- Buy 50 or more $4.20 Save 19%
- Buy 100 or more $3.78 Save 27%
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