Cobalt
Our M35 Cobalt Drill Bits are engineered for exceptional heat resistance and durability when drilling into hardened materials. Featuring a 135° split-point tip for precise starts, they are the ideal choice for stainless steel, cast iron, and other tough alloys. Available for same-day pickup from our Los Angeles warehouse.
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
1/2 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