1/2-13 x 6 Hex Sleeve Anchor Zinc Plated (20)

brass and plastic

Drop-in anchors are also available in coil-threaded versions for 1/2 inch and 3/4 inch coil threaded rod

pre-expanded anchor

13/32 Cobalt Heavy Duty Jobber Drill Bit (6) 1/2 Hex Lag Screws Zinc Plated 1/2-13 x 6 Hex Sleeve13 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.