Irwin 3016129 Single Cobalt High-Speed Steel Drill Bit, 29/64" x 5-5/8" Mirror Tile The keystone thumb design creates

The keystone thumb design creates a better fit and creates more freedom of movement

a length : 29/64" x 5-5/8"

main breaker included

Provides convenient opening & spreading

open spaces

Irwin 3016129 Single Cobalt High-Speed Steel Drill Bit, 29/64" x 5-5/8" Mirror Tile The keystone thumb design createsHighlights: Drill bit diameter : 29 64" Dril bit length : 5 5 8" Material : High speed steel Shank type : Straight Ideal for drilling in tough metal, including heavy duty abrasive alloy metal drilling on hardened steel Made from industrial grade High Speed Steel for increased durability 8% Cobalt alloy is heat and abrasion resistant 135 degree split point tip starts drilling immediately with less force and eliminates "walking" across the work surface