5/16 X 4-1/2 In. Cobalt High-Speed Drill Bit

Description

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