slap when the broadhead impacts the target referring now to fig1 an alternative embodiment of retaining pin 20 is shown with a threaded end portion 100 and an unthreaded central portion 102 adjacent a retaining pin head 104 it will be appreciated that the unthreaded portion 102 resides in the channel or slot in the fixed blade such that as in the prior embodiment the slapping of the auxiliary blade during extension does not result in shavings or filings in the threaded portion thus this retaining pin and blade are also easy to remove to allow replacement of the auxiliary blades as to the materials of the broadhead first and foremost the fixed blade is preferably made of any number of grades of steel stainless steel or titanium with example grades of 12l14 steel 4140 steel 420 stainless steel ti6al4v titanium or grade 2 titanium whereas the deployable blades are preferably made of a martensitic grade of stainless steel such as 420 or 440 stainless the shock collar is made of shock absorbing material nylon polypropylene glass filled nylon polycarbonate aluminum zinc or ceramic such as al2o3 with the material also providing that the tabs returned in making notches are frangible whereas the specialty washer which contains the camming surfaces is made of a.