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 COBALT DRILL BIT$12.16 As low as $8.86Bulk Pricing:- Buy 20 or more $10.94 Save 10%
- Buy 50 or more $9.85 Save 19%
- Buy 100 or more $8.86 Save 27%
The 1/4" Cobalt Drill Bit is engineered from M35 steel with 5% cobalt for exceptional heat resistance up to 1100°F. Its 135° split-point geometry ensures precise, walk-free starts and efficient drilling in hard materials like stainless steel and cast iron. Learn More
⅜” X 4-½” COBALT INDUSTRIAL DRILL BIT, 135*SPLIT JOINT$14.29 As low as $10.42Bulk Pricing:- Buy 20 or more $12.86 Save 10%
- Buy 50 or more $11.57 Save 19%
- Buy 100 or more $10.42 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