#3 Heavy Duty Jobber Drill Bit

1/2-13 x 9 Grade 8 Hex Cap Screw Yellow Zinc Plated

5/8-11 Drop-In Anchor 303 SS (25)

5/8-18 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/4-10 x 6 A307 Grade A Carriage Bolt HDG

25/64 Cobalt Heavy Duty Jobber Drill Bit (6) 1/2 Hex Lag Screws 18-8 Stainless Steel #3 Heavy Duty Jobber Drill25 64 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.