These Nord-Lock washers [0] are excellent for that purpose. Do NOT use common split-washers, throw them away — they can actually speed the unlocking & loss of

These Nord-Lock washers [0] are excellent for that purpose. Do NOT use common split-washers, throw them away — they can actually speed the unlocking & loss of a nut. (No relation, just a satisfied customer after finding they work well after being strongly recommended by a racecar engineer I know) [0] https://www.nord-lock.com/nord-lock/ https://www.nord-lock.com/nord-lock/