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.
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