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$4.97 As low as $4.71Bulk Pricing:- Buy 100 or more $4.71 Save 5%
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$9.35 As low as $8.86Bulk Pricing:- Buy 100 or more $8.86 Save 5%
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
1/4" X 4-1/4" COBALT INDUSTRIAL DRILL BIT, 135 DEGREE SPLIT POINT$10.99 As low as $10.42Bulk Pricing:- Buy 100 or more $10.42 Save 5%
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$5.99 As low as $5.68Bulk Pricing:- Buy 100 or more $5.68 Save 5%
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 4-1/4" COBALT INDUSTRIAL DRILL BIT, 135 DEGREE SPLIT POINT$3.99 As low as $3.78Bulk Pricing:- Buy 100 or more $3.78 Save 5%
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
1/2" X 4-1/2" MASONRY INDUSTRIAL DRILL BIT, CARBIDE TIP$6.99 As low as $6.62Bulk Pricing:- Buy 100 or more $6.62 Save 5%
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
1/2" X 4-1/2" MASONRY INDUSTRIAL DRILL BIT, CARBIDE TIP$6.99 As low as $3.85Bulk Pricing:- Buy 20 or more $4.75 Save 32%
- Buy 50 or more $4.28 Save 39%
- Buy 100 or more $3.85 Save 45%
Engineered for durability, this 1/2" x 4-1/2" masonry drill bit features a robust tungsten carbide tip for efficient drilling in concrete, brick, and block. It is manufactured to meet ANSI B212.15 standards, ensuring reliable performance in demanding construction and MRO applications. Learn More
5/16" x 4-1/2" Masonry Industrial Drill Bit, Carbide Tip$3.99 As low as $3.44Bulk Pricing:- Buy 50 or more $3.82 Save 4%
- Buy 100 or more $3.44 Save 14%
This industrial-grade 5/16" x 4-1/2" masonry drill bit is engineered for high-performance drilling in concrete, brick, and block. It features a durable tungsten carbide tip for extended life and precision, manufactured to meet ANSI B212.15 standards. Learn More