The standard nut uses a carbon steel base with a hardened alloy clamp screw and a black oxide with wax finish for corrosion resistance
Then the Wera bottle opener in classic Wera green is just the thing for you
The Whittet-Higgins KM-29 is a metric bearing locknut manufactured to meet and exceed the ISO 2982-2:2013(E) specification
Its dedicated software applications allow convenient alignments of different types of applications
it also includes a hydraulic additional press and several adapters that enable application on most common models
JTEKT-KOYO 6008-ZZC3 Deep Groove Ball Bearing - 40 mm ID, 68 mm OD, 15 mm Width Hydraulic pump The standard nut uses aDeep Groove Ball Bearing JTEKT KOYO deep groove ball bearings are versatile, robust, and accommodate radial and axial loads in both directions. Their simple design, low friction, and high speed capability make them suitable for a wide range of industrial applications, from electric motors to gearboxes. Sealed and shielded variants protect against contamination, while open versions allow easy lubrication.