Blog Home

TDP castle nut has three staking notches, equally spaced, of 0.084 width +0.02/-0.00 tolerance, at 45 degree angle. There's no debate as to what these notches are for, castle nuts should be properly torqued (38-42 ft/lb), and staked in two places.  Despite experience and lessons learned from LE armorers and users, some still do not believe it's necessary to stake the castle nut.