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.
3/8" X 4-_" COBALT INDUSTRIAL DRILL BIT, 135*SPLIT JOINTBulk Pricing:- Buy 20 or more $12.11 Save 10%
- Buy 50 or more $10.90 Save 19%
- Buy 100 or more $9.81 Save 27%
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
1/2 Cobalt Drill Bit$10.51Our 1/2 inch Cobalt Drill Bit is engineered from M35 steel with 5% cobalt for superior heat resistance up to 1100°F. Featuring a 135° split-point geometry compliant with ANSI standards, this bit is designed for high-performance drilling in hard materials like stainless steel and cast iron. Learn More