Drill Bits
Bobco offers a comprehensive selection of industrial drill bits, including High-Speed Steel (HSS) and Cobalt (M35) types for metalworking. Our bits are engineered to meet ANSI/ASME B94.11M standards for reliable performance in fabrication and MRO applications. Available for same-day pickup in Los Angeles.
1/8 Cobalt Drill BitBulk Pricing:- Buy 20 or more $3.66 Save 10%
- Buy 50 or more $3.30 Save 19%
- Buy 100 or more $2.97 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 BitBulk Pricing:- Buy 20 or more $6.90 Save 10%
- Buy 50 or more $6.21 Save 19%
- Buy 100 or more $5.59 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
1/2 Cobalt Drill BitBulk Pricing:- Buy 20 or more $21.54 Save 10%
- Buy 50 or more $19.39 Save 19%
- Buy 100 or more $17.45 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