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.
1/4" X 4-1/4" COBALT INDUSTRIAL DRILL BIT, 135° SPLIT POINT$10.99 As low as $7.69Bulk Pricing:- Buy 20 or more $8.99 Save 18%
- Buy 50 or more $7.99 Save 27%
- Buy 100 or more $7.69 Save 30%
This 1/4" x 4-1/4" Cobalt Industrial Drill Bit is engineered from M35 steel with 5% cobalt for superior heat resistance. Conforming to ANSI/ASME B94.11M standards, its 135° split-point tip ensures precise starts and is ideal for drilling into stainless steel and cast iron. Learn More