5/16 x 4-1/2-In. Cobalt High-Speed Drill Bit Squeegee Paperboard & Hardboard

Paperboard & Hardboard

Dissolves and removes old varnish

includes 1

including hard-to-stick-to 100% recycled boxes

5/16 x 4-1/2-In. Cobalt High-Speed Drill Bit Squeegee Paperboard & HardboardMaster 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&degree. F., Recommended For Drilling In Hard Metals Such As Heat Treated Steel, Stainless Steel, Chrome, Manganese Steel Plus Titanium & Armor Plate, Carded.