Hanson 5/16"" x 4-1/2"" COBALT ALLOY STEEL

Features and Benefits:

• Constructed of M-42 8% cobalt  high speed steel for super abrasive resistance in tough metals
• Heavy duty spiral flute design produces faster chip ejection
• Shorter cutting lips reduce torque when drilling in high tensile strength materials
• 135 degree split point begins drilling immediately; minimizing bit walk

5/16""; Cobalt Bit; 135 Degree Split Point To Minimize Walk; 8% Cobalt For Higher Heat & Abrasion Resistance; Heavy Duty Web Construction For Strength & Durability; For Tough Metal Drilling; Including Heavy Duty Abrasive; Alloy Metal Drilling On Hardened Steel; Cast Iron & Stainless Steel.