Locknut 8mm, Thickness 3mm

Lock nut for M8 all thread.  Rare as Hens Teeth is the expression that comes to mind when describing this product.  If you are ordering it, do check it is not M10 you really want.  Our ratio of sales on this product is 1000 - 1!  M8 fine is used on very delicate fittings - normally Italian design pieces.  A standard M8 lock nut cannot be used instead.  the pitch on the thread is a lot coarser.