8-18 x 2 3/8 Phillips Drywall Self Drill Screw Zinc Plated (2500)

3/4-10 x 7 Grade 8 Hex Cap Screw Yellow Zinc Plated

7/8-9 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/4-16 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated

High red hardness of cobalt permits speeds 30% greater than standard heavy duty split point (HSS) drills

7/32 Cobalt Heavy Duty Jobber Drill Bit (12) Nail-In Anchors Nylon 8-18 x 2 3/8 Phillips7 32 Cobalt Heavy Duty Jobber Drill Bit . Heavy duty construction made to Type J aircraft specifications. Used for drilling holes in hard, tough materials such as stainless steel, titanium, high temperature and high strength alloys. High red hardness of cobalt permits speeds 30% greater than standard heavy duty split point (HSS) drills.