29/64" Cobalt Steel Drill Bits | Jobber | Length | 6-Pack application-concrete-masonry Patented multi-fitting thread in two

Patented multi-fitting thread in two different versions:

For wood trim and base over drywall (gypsum) to light gauge steel or wood stud

A contractor favorite for all climates

The self-Sealing Neoprene washer prevents water intrusion

Harder bond - improved wheel life for increased wheel performance

29/64" Cobalt Steel Drill Bits | Jobber | Length | 6-Pack application-concrete-masonry Patented multi-fitting thread in twoHeavy duty web construction designed to outperform and outlast. Manufactured from heat resistant premium Cobalt high speed steel. Cobalt drills can maintain their cutting ability at high temperatures and are extremely resistant. 135 split point design for more rugged and efficient drilling. Made from M42 Cobalt High Speed Steel for excellent wear resistance on high strength materials. For drilling in medium alloyed steel, stainless steel, hardened