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…video we'll be comparing the tolerances of a Flytanium Butterfly Knife modified to operate on bearings, to one that utilizes washers. The bearing driven variant of this knife… 2018-03-30 20:57:21

…steel thrust bearings with ceramic silicon nitride (SI3N4) thrust bearings in a Zero Tolerance 0808 Folding Knife. This knife requires two 5 x 10 mm thrust bearings which can be… 2018-03-13 21:03:38