3/8" Cobalt Steel Drill Bits | Jobber | Length | 6-Pack size-7-00-x-3-32 The diamond shaped tip is

The diamond shaped tip is designed to penerate hard materials

No sleeve or shield required

Secondary application - ferrous and non-ferrous metals

Main application - high performance grinding and finishing of all metals

push down the other end until it snaps into place under the outside gutter wall

3/8" Cobalt Steel Drill Bits | Jobber | Length | 6-Pack size-7-00-x-3-32 The diamond shaped tip isHeavy 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