Master Mechanic, 5/16" x 4-1/2", High Speed Steel With Cobalt Drill Bit, 135 Split Point Design With 4 Cutting Edges Allows Quick Penetration & Eliminates Walking, 8% Cobalt Content Provides Heat Resistance & Delivers Maximum Cutting Efficiency At Temperatures In Excess Of 1000° F. Recommended For Drilling In Hard Metals Such As Heat Treated Steel, Stainless Steel, Chrome, Manganese Steel Plus Titanium & Armor Plate, Carded.
- HIGH SPEED STEEL WITH COBALT
- 135 SPLIT POINT DESIGN
- 4 CUTTING EDGES
- RECOMMENDED FOR HARD METALS
