First of all, they are good rods, chances are, the line you have is also fine.
I can't remember the last time a fish actually 'broke' me off. Sliced off, yes. that happens with Bass if your leader isn't long enough or, even worse, you fish braid straight through.
The other thing is knots...
Thinner braids don't like the same knots we often take for granted with thicker diameters. I'd seriously recommend playing with some new knots. We are having to re-adjust to the newer super thin lines as they don't knot the same.
Drag. Check your drag. 4lb of drag on 10lb or even 20lb line is ample.
Check your guides. The slightest little nick in ceramic guides will weaken braid. It'll snap very easily.
Getting snagged. Don't Yank the rod..EVER !
All braids are crap at shock resistance.
Try a different braid. I had similar problems with the Varivas Avani Sea Bass. That's a mega bucks line that just didn't work for me.
Honestly, for HRF especially, having a thin line is imperative.
Take a serious look at some of the newer 8 carrier braids that are just as thin as 8lb braids were, but are now approaching 20lb.
YGK PE 1.5 is very thin but 22LB !
Don't use a newer braid until you have checked your rod guides with a VERY fine toothcomb. You will really need to check carefully.
They might not always show themselves.
What you are experiencing is very, very unusual m8. Fish just hardly break lines unless something is wrong. You'd have to be yanking on the line, rod pointed at the fish with no drag to bust 10lb braid on a 5 or 6lb Bass. You'd have to be very inexperienced to do that. Like I said, just check everything and seriously, try that pull test with a m8 and see if braid breaks again.
Good luck..