Screws are as they came with the Silvers pad, plenty of length and about .200+ diameter. Wouldn't the notching cause further problems if the screws were run in-out multiple times. I'm having a hard time figuring out how to fit the pad and only run them in once. Need some fitting screws like those used for stock bedding!
I've had no experience with "notched screws" but, with the proper technique screwing the same screws in and out multiple times won't be a problem. That technique is this: when replacing any screw into the hole it came out of the first thing that should be done is to place it into the hole and put light pressure on it with the screwdriver, then turn it
BACKWARDS until you feel the threads on the screw engage with the cuts in the wood they have already made.
Then, turn it clockwise and it will be in the same threads it originally cut. Simple procedure, but very important.
SRH