I'm trying to find a self centering counter sink bit for counter-sinking limb bolt heads in a phenolic pad, instead of using the bezels and washers. I used one I bought at Lowes on the last one, but it wasn't the right degree bevel, and it cut like crap. I need to find one that is less than 90 deg with a 5/16" guide built into the bit. The bolt head is 5/8" across, and I'm guessing the bevel needs to be around 75 degrees. Anyone know what these pros use?
#2739A66 Anti-Vibration Thru-Hole Countersink 82 Deg Piloted, 5/16"- 41/64" Hole Dia, 3/8" Shank $14.55
A fella on another site turned me onto this. Just what I needed, in case anyone is interested. I will cap my limb butt with phenolic and counter sink into that to mount my limb bolts flush. I did it on my first take down, but didn't have the proper bit. This should make it just right.
(http://i121.photobucket.com/albums/o203/Apex-Predator/Bow%20Building/Pilotedcountersink.png)
That counter sink will be just the ticket. AND, they don't chatter!
glad you found something thatll work, im about clueless when it comes to most of that stuff.lol