7/8-9 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

9/32 Heavy Duty Jobber Drill Bit

The high strength

A new plating that is 7x more corrosion resistant than standard zinc plating

1-8 x 5 Grade 8 Hex Cap Screw Yellow Zinc Plated

5/16 Cobalt Heavy Duty Jobber Drill Bit (6) 1-8 Hex Cap Screws 18-8 Stainless Steel 7/8-9 x 4 1/2 Grade5 16 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.