13/32 x 5-1/4-In. Cobalt High-Speed Drill Bit Marathon Of course the drain cables

Of course the drain cables are Flexicore® - with an integral wire rope center

Wheel is completely coated with fine diamond particles for working with hard materials

Helps reduce energy costs

3/8-inch pitch

13/32 x 5-1/4-In. Cobalt High-Speed Drill Bit Marathon Of course the drain cablesMaster Mechanic, 13 32" x 5 1 4", 3 8" Shank, 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&degree. F., Recommended For Drilling In Hard Metals Such As Heat Treated Steel, Stainless Steel, Chrome, Manganese Steel Plus Titanium & Armor Plate, Carded.