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.
1/8 COBALT DRILL BIT$6.46 As low as $4.71Bulk Pricing:- Buy 20 or more $5.81 Save 10%
- Buy 50 or more $5.23 Save 19%
- Buy 100 or more $4.71 Save 27%
The 1/8" Cobalt Drill Bit is engineered from M35 steel with 5% cobalt for superior heat resistance when drilling hard metals. Featuring a 135° split-point geometry for precision, it is ideal for stainless steel and cast iron applications compliant with ANSI/ASME B94.11M standards. Learn More
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
1/2 COBALT DRILL BIT$7.79 As low as $5.68Bulk Pricing:- Buy 20 or more $7.01 Save 10%
- Buy 50 or more $6.31 Save 19%
- Buy 100 or more $5.68 Save 27%
Our 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
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
⅜” X 4-½” MASONRY INDUTRIAL DRILL BIT, CARBIDE TIP$9.09 As low as $6.62Bulk Pricing:- Buy 20 or more $8.18 Save 10%
- Buy 50 or more $7.36 Save 19%
- Buy 100 or more $6.62 Save 27%
This 1/2" x 4-1/2" industrial masonry drill bit is engineered for high-performance drilling in concrete, brick, and block. It features a durable tungsten carbide tip and complies with ANSI B212.15 standards, ensuring precision and long service life for demanding applications. Learn More